bluuebunny/crossref_metadata_2025 huggingface dataset:
Quadcopter Noise Variation Due to Relative Rotor Phasing
Authors:   Rensselaer Polytechnic Institute, Smith Brendan ,   North Carolina State University, Gandhi Farhan
Published: September 2024

This study examines the acoustics in hover for manned-size, multi-rotor, eVTOL aircraft in a quadcopter configuration. The rotors on such larger aircraft could have collective pitch control allowing them to operate at a fixed rotational speed. This paper seeks to explore how the relative phasing between the rotors affects the acoustics. Quadcopters with three different rotors are considered: a baseline solidity σ rotor with number of blades N = 2, a 3σ rotor with number of blades N = 2, and a 3σ rotor with number of blades N = 5. The simulations use the Rensselaer Multicopter Analysis Code (RMAC) for the aerodynamic loads on the blades, coupled to an acoustic propagation code for noise predictions at observers in the plane of the quadcopter and at elevations of 30 deg and 60 deg (below the quadcopter). The starting phase of rotors 2, 3, and 4 are varied relative to rotor 1, resulting in 216 total phasing cases for each rotor. From the simulation results in this study, the range of variation in tonal noise (due to thickness and loading) was between 21-30 dB in overall sound pressure level (OASPL). If there is phase locking between rotors, for 2-bladed rotors orthogonal phasing was generally observed to produce low average noise, while tip-to-tip phasing produced higher averaged noise, but this observation did not hold for 5-bladed rotors. For high-solidity 2-bladed rotors, the unweighted OASPL from tonal noise (thickness and loading) is greater than that from broadband noise, especially in-plane and at low elevation angles. But for high-solidity 5-bladed rotors, OASPL from broadband noise was observed to be higher than from tonal noise.
Impact of Detailed SFC on Hybrid-Electric VTOL Sizing
Authors:   University of Maryland, Arace Matt , Datta Anubhav
Published: September 2024

Data from a 3.43 kW piston engine-generator is integrated with rotorcraft sizing analysis to assess its impact. First, the measured SFC map of the powerplant is modeled. Second, the sizing is validated with XV-15 flight test aircraft and NASA conceptual reference quadrotor. The power and platform models are then integrated to size a hypothetical quadrotor bi-plane unmanned air vehicle of 5 lb payload. Several cases for how the engine can be operated to meet the vehicle torque and speed are detailed. The key conculsion is that a detailed SFC model is as important as the aircraft model. Without it, errors in tip speed reduction, gross weight, and range would be quite dramatic from 50-100%. A tip speed reduction to 65% hover in cruise was found to strike the best balance between rotor performance and engine performance of the hypothetical aircraft, resulting in a gross weight of 50 lb and range of 120 nm at 60 kts cruise speed.
Aeroelastic Analysis with Rapid Methods of the Double-swept ERATO Blade with an Homogeneous Structure in Hover Flight
Authors:   ONERA, Aguirre Mikel , Riols-Fonclare Antoine , Richez François
Published: September 2024

This article presents aeroelastic analysis of the ERATO blade with double-swept design and an homogenised structure, using both computationally intensive and rapid aerodynamics solvers coupled with a projection-based reduced-order model (ROM) for the structure. The study focuses on investigating the impact of blade flexibility on aerodynamic performance during hover flight, and comparing with experimental data. In terms of modelling, the ROM allows for efficient computation of structural displacements, while capturing the non-linear physics and the complex structural response induced by the double-swept configuration. The aerodynamic analysis incorporates different solvers including among others Computational Fluid Dynamics (CFD) with elsA, Vortex Particle Method (VPM) and Blade Element Momentum Theory (BEMT). This multi-solver approach is employed to assess the capability of fast aerodynamic methods to reproduce the desired flow, coupling properties and flight performance. The coupling methods employed such as field transfers and mesh deformation are rather classical but were adapted. First, results highlight the need of aeroelastic coupled analysis to model the ERATO blade in hover. Second, the VPM is proven to be a valid method for reproducing the studied flight condition offering a good compromise between the computational cost and accuracy. Third, the proposed VPM/ROM coupling is validated with respect to the reference CFD/ROM. Finally, this article contributes to evaluate a wide range of methodologies and to propose an alternative method for predicting the rotorcraft blades performance and for assessing the effect of the aeroelastic coupling on such performance. Future work is needed to characterize in more details the aeroelastic behaviour of the ERATO blades with a realistic structural model for hover and in forward-flight, for which the flow is intrinsically unsteady.
Piloted Simulation Evaluation of Damage Tolerant Control for a Tiltrotor
Authors:   US Army CCDC AvMC, Berger Tom ,   Piasecki Aircraft Corporation, Bridges Derek ,   The Pennsylvania State University, Horn Joseph , Hagwood Grey , Miller Doug
Published: September 2024

Advanced rotorcraft configurations currently being considered for Future Vertical Lift and Advanced Air Mobility applications typically feature redundant control effectors, which bring new opportunities for control design, including the ability to re-allocate control in response to failure or damage. This paper presents the design of damage tolerant control (DTC) for a generic utility-class tiltrotor using redistributed pseudo-inverse control allocation with axis prioritization. The damage tolerant control was integrated into full flight envelope control laws, and tested in a piloted simulation where pilots attempted to land the tiltrotor after damage in a cruise flight condition. Overall the results showed that damage tolerant control resulted in improved survivability ratings for the most severe damage cases. This work was done in support of the Adaptive Digital Automated Pilotage Technology (ADAPTTM) program which aims to develop a flight control software package to take advantage of redundant controls to improve safety, survivability, and performance for advanced vertical takeoff and landing capable aircraft.
Manufacturing of Thermoplastic Composite Parts with Press Forming Technology
Authors:   PZL Mielec a Lockheed Martin Company, Głodzik Marcin , Gałaczyłski Tomasz , Banaś Aleksander , Sienicki Jarosław , Farbaniec Konrad , Wojtuszewski Radosław
Published: September 2024

Thermoplastic composites are serious competitor for classic epoxy composites. They have comparable properties to epoxy composites, but characterize much lower processing costs. There are several methods of manufacturing the components from thermoplastic composites. One of the most interesting method in terms of efficiency is thermoforming on a press. This technology allows to product of the aircraft parts such as: ribs, brackets, covers, stiffeners. Thermoplastic composites are resistant to most solvents such as grease, oil and aviation fuel. They are also non-flammable and heat-resistant. This all makes them suitable for use in aircraft as upholstery, casing or elements around the tank. PZL Mielec has been developing press thermoforming technologies since 2016 and is the owner of the several patents in this area.
Multi-Physics Modeling and Optimization Towards a Digital Twin of Quenching Processes of Large-Scale Metallic Structures
Authors:   Global Engineering and Materials Inc., Lua Jim ,   University of Illinois, Yan Jinhui ,   Naval Air Warfare Center (PAX), Piccoli Joshua , Shrestha Kalyan , Karuppiah Anand , Phan Nam
Published: September 2024

Quenching is a heat treatment process for the rapid cooling of a metallic workpiece in water, oil, or air to obtain certain desired material properties. It is the most critical step in the sequence of heat-treating operations to preserve the solid solution formed at the solution heat-treating temperature by rapidly cooling to near room temperature. Because of the complex interaction between temperature, phase-transformation, and stress/strain relation that depends on the temperature distribution and the microstructure of the workpiece, there is no performance-informed quenching process that can be applied reliably to reduce the high scrap rate of airframe aluminum forging parts with a significant amount of residual stress and distortion. Since large aluminum forging parts are increasingly used in aerospace structures to enable structural unitization, it is important to construct a digital twin modeling approach to mirror the physical quenching process for minimizing scrap rate, increasing production efficiency, and engineers and machine operators' handling of variances in forging operations. A high-fidelity modeling of the coupling of thermal, metallurgical, and mechanical interactions is a key component to creating a digital twin of the physical quenching process. A high-fidelity thermal multi-phase computational fluid dynamics (CFD) model is applied to simulate fluid dynamics and temperature fields in the quenchant tank. The developed immersogeometric modeling approach is used next for an efficient model generation of a 3D workpiece with various dipping orientations. Given the temperature and pressure profiles predicted from the CFD-based heat transfer module, residual stress and distortion prediction modules are developed by including temperature and pressure fields mapping and temperature and strain rate dependent property evolution via Abaqus' user-defined subroutines. Verification and demonstration studies are performed using aluminum coupons dipped into a quenching tank with different orientations. Time histories of the temperature and residual stress fields were predicted to explore the relationship between the process and performance.
Identification and Potential Clinical Utility of Common Genetic Variants in Gestational Diabetes among Chinese Pregnant Women
Authors: Tam Claudia Ha-ting , Wang Ying , Wang Chi Chiu , Yuen Lai Yuk , Lim Cadmon King-poo , Leng Junhong , Wu Ling , Ng Alex Chi-wai , Hou Yong , Tsoi Kit Ying , Wang Hui , Ozaki Risa , Li Albert Martin , Wang Qingqing , Chan Juliana Chung-ngor , Ye Yan Chou , Tam Wing Hung , Yang Xilin , Ma Ronald Ching-wan
Published: September 2024

Background: The genetic basis for hyperglycaemia in pregnancy remain unclear. This study aimed to uncover the genetic determinants of gestational diabetes mellitus (GDM) and investigate their applications.Methods: We performed a meta-analysis of genome-wide association studies (GWAS) for GDM in Chinese women (464 cases and 1,217 controls), followed by de novo replications in an independent Chinese cohort (564 cases and 572 controls) and in silico replication in European (12,332 cases and 131,109 controls) and multi-ethnic populations (5,485 cases and 347,856 controls). A polygenic risk score (PRS) was derived based on the identified variants.Results: Using the genome-wide scan and candidate gene approaches, we identified four susceptibility loci for GDM. These included three previously reported loci for GDM and type 2 diabetes mellitus (T2DM) at MTNR1B (rs7945617, odds ratio [OR], 1.64; 95% confidence interval [CI], 1.38 to 1.96), CDKAL1 (rs7754840, OR, 1.33; 95% CI, 1.13 to 1.58), and INS-IGF2-KCNQ1 (rs2237897, OR, 1.48; 95% CI, 1.23 to 1.79), as well as a novel genome-wide significant locus near TBR1-SLC4A10 (rs117781972, OR, 2.05; 95% CI, 1.61 to 2.62; Pmeta=7.6×10-9), which has not been previously reported in GWAS for T2DM or glycaemic traits. Moreover, we found that women with a high PRS (top quintile) had over threefold (95% CI, 2.30 to 4.09; Pmeta=3.1×10-14) and 71% (95% CI, 1.08 to 2.71; P=0.0220) higher risk for GDM and abnormal glucose tolerance post-pregnancy, respectively, compared to other individuals.Conclusion: Our results indicate that the genetic architecture of glucose metabolism exhibits both similarities and differences between the pregnant and non-pregnant states. Integrating genetic information can facilitate identification of pregnant women at a higher risk of developing GDM or later diabetes.
Clinical Presentation and Management of Post Coronavirus Disease 2019 Osteonecrosis of the Femoral Head: A Narrative Review of Literature
Authors: Parameswaran Apurve , Apsingi Sunil , Eachempati Krishna Kiran
Published: September 2024

The purpose of this review was to identify and describe what is known regarding the clinical presentation and the various methods of management of osteonecrosis of the femoral head (ONFH) following coronavirus disease 2019 (COVID-19), based on current literature. COVID-19 results from infection with the Severe Acute Respiratory Syndrome Corona Virus2. A large number of infected patients manifest multi-systemic pathologies for several weeks to months following recovery. This condition is now identified as postacute COVID-19 syndrome (PACS). COVID-19 could result in ONFH either directly due to endothelial dysfunction and a hypercoagulable state, or secondary to corticosteroid medications used during its management, as a manifestation of PACS. Despite a fairly widespread awareness of this condition, there is a scarcity of literature regarding its clinical presentation and management. A literature search was conducted using the following electronic databases: PubMed/Medline, Embase, and Scopus. The following search terms were used: “covid (AND) osteonecrosis” and “covid (AND) avascular (AND) necrosis.” The preliminary search results were screened to identify relevant literature. Data pertaining to the clinical presentation and management of post-COVID-19 ONFH were retrieved from these studies, and tabulated and presented systematically. Post-COVID-19 ONFH has been reported in a wide range of age groups, with unilateral or bilateral hip involvement. A greater proportion of reported cases were associated with: the male gender, high body mass index, severe COVID-19 infection, and corticosteroid consumption. The onset of symptoms, commonly pain and difficulty in walking, has been reported to vary from a few days to a few years following the detection of COVID-19. Most studies reported patient presentation with stage-2 or stage-3 ONFH. Conservative management of this condition with bisphosphonates has shown promising preliminary results. Among surgical management options, core decompression and total hip arthroplasty have been described. Long-term outcomes of patients managed with various treatment modalities are currently not available. Future observational studies could confirm the findings in this review, and lay the foundation for high-quality systematic reviews. The information presented herein can aid in the drafting of appropriate screening and surveillance protocols for COVID-19 patients.
Study of Escherichia coli, EPEC, ETEC AND STEC, in water offered in schools in a municipality with low human development index in Maranhão State, Brazil
Authors: Silva Iran Alves da , Jesus Greiciene dos Santos de , Ribeiro Larissa Sarmento dos Santos , Santos Hamilton Pereira , Bezerra Danilo Cutrim , Coimbra Viviane Correa Silva , Teles Amanda Mara , Bezerra Nancyleni Pinto Chaves
Published: September 2024

This study examined the EPEC, ETEC and STEC pathotypes in E. coli isolates from water supplied to schools in a municipality in Maranhão, Brazil with a low human development index. For this, 57 bacterial strains isolated from 19 water samples were used. All strains were confirmed as belonging to the E. coli species, by Gram staining and phenotypic tests. From pure cultures of E. coli, DNA was extracted followed by characterization of the isolates by polymerase chain reaction (PCR). This is the first study carried out in the state of Maranhão on the research of the diarrheagenic strains EPEC, ETEC and STEC in water for human consumption offered in schools, with the detection of virulent genes characteristic of enterotoxigenic E. coli (26.31%; n = 15/57) and E. coli producing Shiga toxin (8.78%; n= 5/57). Of the strains identified, 8.78% (n= 5/57) corresponded to combinations of est + stx1 genes. It is concluded that the detection of the diarrheagenic strains ETEC and STEC in E. coli isolates from water samples for human consumption indicates that, in addition to the water being contaminated, it harbors strains with pathogenic potential to cause diarrheal infection in its users.
Keywords: ETEC, school environment, STEC.
Military measures of the USSR in response to the Anglo-French threat of air strikes in the Caucasus (1939–1940)
Authors: Степанов А.С.
Published: September 2024

Кризисная ситуация, сложившаяся на южных рубежах СССР в начальный период Второй мировой войны и достигшая опасного пика весной 1940 г. в связи с пла- нами англо-французской коалиции по выведению из строя кавказских нефтяных место- рождений, представляла реальную угрозу для Советского Союза. С целью срыва по- добных планов советское военно-политическое руководство приняло целый ряд мер, в том числе – незамедлительно резко усилило силы авиации и флота на южных рубежах СССР и разрабатывало ответные планы против англо-французской коалиции.

The crisis situation that developed on the southern borders of the USSR in the initial period of World War II and reached a dangerous peak in the spring of 1940 in connection with the plans of the Anglo-French coalition to disable the Caucasian oil fields posed a real threat to the Soviet Union. In order to disrupt such plans, the Soviet military-political leadership took a number of measures, including immediately sharply strengthening the air and naval forces on the southern borders of the USSR and developing retaliatory plans against the Anglo-French coalition.
Mobile Devices as an Instructional Tool to Promote Teachers’ Metacognition: Insights from Pakistani Teachers
Authors: Javed Zainab Shahzadi , Javed Fatima , Mufti Mehvish
Published: September 2024

The use of mobile phones as an instructional tool by teachers is not yet widespread, and there is a need to enhance the literature on how this experience affects their metacognition. While existing literature focuses on students' experiences, little is known about the experiences of teachers. This qualitative study utilized an interpretative phenomenological analysis approach to examine the experiences of primary and secondary school teachers in Karachi, Pakistan, who used mobile devices for teaching online during the COVID-19 pandemic for at least 12 weeks. Nine participants were interviewed to collect data, and two themes emerged from the research: "Employed Metacognition to Teach" and "Enhancing Professional Development through Metacognitive Awareness with Mobile Devices." The findings indicate that teachers used metacognition while teaching with mobile devices. Since it was their first time using these devices for teaching, they had to employ metacognition to choose effective teaching strategies, keep students engaged, and evaluate their understanding. Teachers gained insights into their strengths and weaknesses, improving self-assessments. They engaged in reflective practices, pinpointing areas where strategy changes were needed to enhance future teaching. The study also found that mobile devices promoted social metacognition by fostering collaboration and communication among colleagues.
ENVIRONMENTAL CONCERNS AND ARTISTIC PROBATION IN SELECTED NIGERIAN POETRY
Authors: Akano Reuben Kehinde
Published: September 2024

The implication/engagement of the theme of the environment by scholars in critical mode cannot be divorced from the many degradable pressures visited on it in different forms by man. The implication of the environment by humans in various ways has necessitated the continuous engagement of the theme by scholars of diverse fields. For obvious reasons, the environment harbours and nurtures man and as such tolerating its implication/ negative impact on it portends an unimaginable magnitude of danger for man and his generations. This paper examines the issues of the environment from the perspective of art. The focus is on the effects of pressure on the environment and its implication for the survival and corporate existence of the inhabitants. Poetic writings of Tanure Ojaide and Niyi Osundare shall be x-rayed as the grain of analysis. An ecocritical theory shall be adopted to guide and illuminate the analysis of the selected poetic collections. It is the findings of the study that artistic discourse on the environment is multifaceted and that poets of Nigerian extraction have been consistent in their engagement in this respect. It is recommended that the crusade for a safe environment should be continuously vigorous without neglecting poetic productions on the subject matter.
 

 Article visualizations:
THE IMPACT OF TRAINING AND DEVELOPMENT ON EMPLOYEE’S PERFORMANCE IN COMMERCIAL BANKS OF SIERRA LEONE CASE STUDY: UNITED BANK OF AFRICA (SL) LTD
Authors: Thoronka Nendaywa , Combey Hannah Princillia
Published: September 2024

The goal of the study was to examine how employee performance in Sierra Leone's commercial banks is affected by training and development, with a particular focus on United Bank of Africa Sierra Leone Limited as a case study. The research was expected to accomplish the following goals: ascertain the effect of job delegation on employee performance, evaluate the effect of job rotation on employee performance in UBA, and ascertain the influence of mentoring on employee performance in UBA. The entire philosophy of training and development was covered in a fair and balanced manner in the literature review. In order to better understand the effect that training and development have on the performance of their employees, a review of the theoretical and empirical literature was conducted by commercial banks. During the investigation, a descriptive research design was employed. Additionally, the study used a qualitative research approach since, as opposed to conducting a broad statistical survey, it explains a specific circumstance or problem. To ensure that only respondents were chosen in order to fulfill the study's objectives, purposive sampling was employed. There are only eighty (80) respondents in the sample study, and 45 of the questionnaires were returned fully. A combination of primary and secondary sources was used to gather data. Following the data collection process, the researchers arranged a well-completed questionnaire, revised the data, and arranged it for the following step. Tabular data with frequencies and percentages were used to present the data. According to the study's conclusions, mentoring significantly improves employee performance at UBA by offering a reward for personal growth at a time when the company's tactics are always changing. According to the study, staff performance and authority delegation are positively connected; employees are more likely to be dedicated when given authority and vice versa. According to the study, managers at UBA should ensure that workers are allowed to work autonomously, as this will lead to a number of advantageous outcomes, including increased job satisfaction, organizational commitment, creative behavior, and productivity.
 

 Article visualizations:
COMMUNICATION, AN IMPORTANT CRITERION OF RHETORIC AND DEMOCRACY
Authors: Hysenaj Valdet , Mujaj Hasan
Published: September 2024

Communication is the implementation of inspirations and requests through a system of signs. It arose from the expression of thoughts in society, it is the exchange or transfer of information. The connection of the individual with other people depends on communication. The culture of communication is a rhetorical and cultural formation in the light of other sciences related to rhetoric, such as: philosophy, ethics, aesthetics, stylistics, linguistics, poetics, semantics, etc., the knowledge of which creates opportunities for a rich capital and wide eloquence in competence to entice collaborators with the pragmatic vision of implementing projects in practice. So, communication is one of the important criteria of rhetoric and democracy, therefore only with the pragmatics of action, credibility and commitment will be created to advance the contemporary development of the XXI century. Motivation to communicate leads to the establishment of language culture and its normalization and further development. Knowledge of different forms of communicative motivation is essential if we want to encourage communicators to have a positive attitude towards knowledge and an interest in learning during all life. Communication, not only as an object, but in terms of its radiant width also as a subjective factor gives greater opportunities with strong influence for the rise of language culture.
 

 Article visualizations:
NAVIGATING LANGUAGE INSTRUCTION FOR MIGRANT AND REFUGEE YOUTH IN NON-FORMAL SETTINGS: TEACHERS’ PRACTICES AND CHALLENGES
Authors: Boronilo Eleni , Mogli Marina
Published: September 2024

The provision of Greek language education to diverse and multilingual groups has become increasingly important, especially in light of the recent refugee crisis. This study explores the teaching strategies used in non-formal educational settings for refugee and migrant children, with a particular focus on the role of their first language (L1) and the importance of intercultural education. It also seeks to identify the challenges teachers face in these non-formal environments. Nine (9) teachers who specialize in non-formal education and teach Greek to refugee and migrant children participated in the study. The data was collected through semi-structured interviews and analyzed using thematic analysis. The findings show that teachers use a variety of teaching methods, favoring communicative and student-centered approaches. Although the importance of multicultural education and translanguaging practices was recognized, they were not fully implemented. The study also examines the challenges educators face in their teaching in these settings. These include issues like irregular attendance, cultural and practical factors, mental health problems, language barriers, and varying levels of prior education.
 

 Article visualizations:
POSTMODERN PARODY IN THE IRAQI ALI BADER’S NOVEL “PAPA SARTRE”
Authors: Gebreen Hayder , Jawad Mustafa Talib
Published: September 2024

This research paper investigates the impact of existentialism on Iraqi society, with a particular focus on the sixties generation as depicted in Ali Bader's novel "Papa Sartre." The study explores the use of parody as a postmodern literary device to satirically critique the influence of existentialist philosophy on individuals and society. By examining the negative repercussions of existentialist philosophy on societies, especially the Iraqi sixties generation, this research delves into the satirical critique embedded in Bader's novel. The primary focus is on parody as a means to highlight the superficial adoption and harmful consequences of certain philosophical ideologies, such as existentialism, within intellectual and societal contexts. The paper aims to demonstrate how individuals and communities can be swayed by philosophical theories without fully understanding their implications. Through the use of parody, the novel encourages readers to engage with the deeper nuances of its narrative, serving as a cautionary tale against the uncritical acceptance of imported ideologies. Furthermore, the research emphasizes the role of literary works in confronting and interrogating critical issues fostering social awareness and discourse. By highlighting the insidious spread of harmful ideologies across generations, the paper advocates for vigilance among future generations to protect against the influence of such detrimental philosophies.

 

 Article visualizations:
MEDIA MESSAGES IN DELTA LIFE PROGRAM OF VINH LONG RADIO AND TELEVISION STATION, VIETNAM
Authors: Vi Le , Quyen Do Thi Xuan , Dan Thai Cong
Published: September 2024

The Delta Life program of Vinh Long Provincial Radio and Television Station
(https://thvl.vn) is a program about the Mekong Delta with a relatively large number of broadcasts in both content and form. More than a decade of broadcasting - a very long time compared to a television program that has been broadcast and is still continuing. This is a program of great value to the history, culture and people of the Mekong Delta region, South Vietnam. This proves that this program is a good one, bringing many values to the public and being loved by the public. Therefore, realizing that there have not been many research projects on this program or its message, the research was chosen based on a survey of 50 broadcast episodes in 2022. Through the research process, the readers are expected to gain new knowledge and have a more thorough understanding of life, culture, and society in the Mekong Delta.

 

 Article visualizations:
ASSESSMENT OF MODERN DIGITAL LEARNING TOOLS IN PROMOTING ADULT LEARNING IN LITERACY CLASSES IN PORT HARCOURT METROPOLIS, NIGERIA
Authors: Dokubo Chidinma , Adong Helen Akpama , Orgwu Patience Uwelegbewe
Published: September 2024

This study examined modern digital learning tools for promoting adult learning literacy classes in Port Harcourt Metropolis. The study was guided by three research questions with a population of 2033 adult learners and facilitators in adult literacy centres in the Port Harcourt metropolis. The sample size of the study was 400 respondents comprising 370 adult learners and 30 facilitators in the study area. Taro Yamane formula was adopted in determining the sample size of 370 adult learners. However, the simple random sampling technique was adopted in selecting 15 adult learners in each of the adult literacy centres in the Port Harcourt metropolis to arrive at the sample size of 370 adult learners. The 30 facilitators were taken as a census without sampling. The instrument for data collection in this study was a researcher-designed questionnaire titled Assessment of Modern Digital Learning Tools for Promoting Adult Learning in Literacy Classes Questionnaire. (AMDLTPALLCQ). The instrument was validated by three experts. A test of internal consistency using Cronbach Alpha was carried out to determine the reliability of the instrument. Reliability coefficients of 0.81, 0.86 and 0.91 were obtained for the various clusters of the instrument. The research questions were answered using mean and standard deviation. The findings of the study revealed that the use of modern digital learning tools such as Projeqts, Animato and TED Ed promoted adult learning in literacy centres in Port Harcourt metropolis. Based on the findings of the study, it was recommended among others that the Rivers State Agency for Adult and Non- formal education should embark on the training of facilitators on digital literacy to enable them to access and use the modern learning digital tools such as animators, projeqts and others for enhancing learning in their classes.
 

 Article visualizations:
DIGITAL TRANSFORMATION EDUCATION: CHALLENGES, EFFECTIVENESS, AND PERCEPTIONS OF COMPUTER-ASSISTED INSTRUCTION APPLICATION IN PHYSICS CLASSROOM
Authors: Oppong Emmanuel , Appiah-Twumasi Eric , Mensah Ebenezer Ekow , Ateko Kenneth Darko
Published: September 2024

Digital Transformation Education has received greater attention in teaching and learning, however, there is a scarcity of studies on the challenges, effectiveness, and perceptions of Computer-Assisted Instruction (CAI), especially in the Colleges of Education (CoE). In addressing these, the study used the mixed method research design using 12 Physics tutors and 254 Physics students from 3 CoE purposively selected from the Sekyere South District and the Mampong Municipality. Interviews and questionnaires were used for data collection and data analysis was done using Statistical Package for Social Sciences ¬(IBM SPSS), version 26.1, employing descriptive statistics and thematic analysis. The results indicated that Physics tutors generally face a high level of challenges, with inadequate technological resources and limited financial support posing the greatest hindrances. In response, tutors employed various strategies including personal investment in internet bundles and advocacy for institutional intervention. It was again found that both quantitative and qualitative findings converged after merging and that the qualitative findings agreed with the quantitative findings. It was concluded that tutors of Physics in the CoE in the Mampong Municipality and the Sekyere South District encounter challenges during their integration of CAI in their Physics lessons. However, since students of Physics in the CoE perceive the use of CAI as very positive to their academic lives, it was recommended that using CAI for teaching and learning Physics in the colleges of education should be fortified.
 

 Article visualizations:
FLYING WITHOUT WINGS: STORIES OF NON-PHYSICAL EDUCATION GRADUATES TEACHING PHYSICAL EDUCATION
Authors: Bucao Kirk Nicolas , Robledo Elamae , Galaura Lenziel L.
Published: September 2024

The purpose of this study is to determine how non-physical education graduates who have physical education as their teaching load perceive their everyday teaching performance, knowing that it is not their field of specialization. This study will help us understand how they cope with the teaching challenges, knowing that their situation is aligned with the rampant job mismatches in the Philippines. This study will cover the stories of a non-physical education graduate teaching physical education, everyday challenges, teaching performance, resolution, and support from the school and others. This study is a qualitative research study. The respondents of this study are not physical education graduates, but they teach physical education in their schools. In this study, the researchers used a researcher-made instrument to assess the data, and then the researchers proceeded to analyze the data using the coding procedures. Upon conducting the study, the researcher found that this study proves that a non-physical education graduate who teaches physical education experienced significant circumstances in teaching the subject.
 

 Article visualizations:
PHYSICAL STATUS OF MALE ATHLETES OF THE SAIGON UNIVERSITY BADMINTON TEAM, VIETNAM
Authors: Truong Duong Ngoc
Published: September 2024

The purpose of the article is to provide accurate, scientific and comprehensive information on the physical status of male athletes of the Saigon University Badminton team. The article uses document synthesis, interviews, and statistics. The research subjects included 15 male athletes of the badminton team of Saigon University. The selected results are 8 physical evaluation tests including: 20-meter sprint from a high start (seconds); standing high jump (centimeters); shuttlecock throw (centimeters); single rope jumping for 1 minute (times); lateral movement 5 times around the badminton court (seconds); forward, backward movement 5 times around the badminton court (seconds); movement around 4 corners of the badminton court 10 times (seconds); movement around 6 corners of the badminton court 10 times (seconds). The assessment results show that the testing performance of physical tests for male athletes of the Saigon University Badminton team is consistent and highly representative.
 

 Article visualizations:
THE EFFECT OF CIRCULAR TRAINING ON MUSCULAR ABILITY AND SOME FUNCTIONAL INDICATORS OF THE KIDNEYS IN FENCING PLAYERS
Authors: Abdulzahra Mustafa Ghasib , Hatem Muthana Layth
Published: September 2024

The research study aimed to find out the effect of circular training style on muscle strength and some functional indicators of the kidneys in fencing players. The researchers used the experimental method and identified their research community, namely the players of Maysan governorate teams in fencing and for the three weapons (fencing sword, shish weapon, Arab sword weapon), and by (4) players for each weapon, which amounted to (12) players, and some procedures were adopted to achieve the objectives of the study. The study came to conclusions about the positive impact of the circular training method on the development of the muscular ability of the arm to carry the weapon and the legs. The study showed that measuring the functional indicators of the kidneys is within normal limits. The training method used has achieved positive results in adapting the functional indicators of the kidneys in the research variables.
 

 Article visualizations:
RELATION BETWEEN THE BODY COMPOSITION AND STRENGTH OF RESPIRATORY MUSCLES
Authors: Abdulrahman Mardin Tahseen , Mahmood Maan Hasan
Published: September 2024

Lung function and respiratory muscle strength are thought to be affected by body composition. The relationships between the components of body weight and the markers of lung function, however, are generating more and more interest. There has not been much research done on how body composition factors, like lean and fat masses and their distribution, affect breathing capacity. Researchers have been studying the connection between pulmonary functions and body composition since the middle of the 1950s. There has been research on the relationship between pulmonary function and body composition, but the findings have been inconsistent. The aim of this study was to examine the correlation between the body composition and respiratory muscle strength of football players. For this purpose, 12 healthy athletes participated in our study. The measurements of the participants were performed in the laboratory. Body composition measurement was carried out using a body composition analyzer with Tanita (Bioelectrical Impedance Analysis). Respiratory muscle strength measurement was performed with a respiratory pressure meter. When the data were analyzed; there were no significant differences between the parameters of the participants' body composition and respiratory muscle strength parameters (p>0.05). In conclusion, it could be said that there is no significant correlation between body composition and respiratory muscle strength.
 

 Article visualizations:
FAMILY ADAPTATION TO DEVELOPMENTAL NEEDS OF THEIR CHILDREN WITH MULTIPLE DISABILITIES: A COMPARATIVE ASSESSMENT STUDY OF SOME SWEDISH AND CAMEROONIAN FAMILIES
Authors: Ndame Thomas
Published: September 2024

This study assesses, in a comparatively perspective, how some families adapt to daily routines of the developmental needs of their children with multiple disabilities in order to enhance their wellbeing and learning. The study sampled (N=20) parents from 10 families in Cameroon and Sweden using the mixed method approach to data collection and analysis. Findings reveal commonalities in family adaptation to their children’s health condition through: sacrificing extra time; rescheduling working hours; adjusting income, expenditure and plans; exploiting the available social support resources to meet the children’s special developmental needs. In addition, since parents perceive multiple disabilities as a critical health condition, they maximize the scope of support activities to enhance child development. In distinction, Cameroonian nucleus families are structurally larger in size than Swedish. Functionally, the former is dependent upon and interacts with extended family members while the latter makes use of outsiders ranging from professionals to pets for support services. In child functioning, children in the standardized monolingual society of Sweden change key communication partners indiscriminately whereas those in the multilingual society of Cameroon permanently cling to one or few partner(s) influential in enhancing their development. In conclusion, the study recommended that parents should be given more professional help and voice in policy making regarding the support of their children with multiple disabilities.

 Article visualizations:
THE EFFECT OF HYPOXIA EXERCISES ON ARTERIAL BLOOD GASES PARAMETERS FOR FUTSAL PLAYERS
Authors: Abdulzahra Mustafa Ghasib , Hatem Muthana Layth
Published: September 2024

The study aimed to find out the effect of fitness exercises according to the method of gradient lack of oxygen on the parameters of arterial blood gases for futsal players. The researchers determined their research community in a deliberate way, namely the players of Maysan Sports Futsal Club in Maysan Governorate, the category of applicants over the age of (20) years, and registered with the lists of the Football Sub-Federation for the sports season (2022-2023), which numbered (26) players. The researchers concluded the following Fitness exercises according to the gradient method affected the lack of Oxygen has a significant effect on the parameters of arterial blood gases, in the regulation balance (pH), raising the level of gas pressure (pO2) and the level of (Hco3), and inhibiting the level of gas pressure (pCO2) in the blood, and the preference was for the experimental group compared to the control group.
 

 Article visualizations:
SOCIAL ANXIETY DISORDER AND LOW SELF-ESTEEM AMONG UNIVERSITY STUDENTS
Authors: Sella Elpida , Adamopoulou Anthi , Georgiou Eliza , Konstantopoulou Georgia
Published: September 2024

This study investigates the relationship between Social Anxiety Disorder (SAD) and low self-esteem among students at the University of Patras. After defining the key concepts, the paper explores how these issues affect individuals, particularly students, and how Social Anxiety Disorder negatively impacts self-esteem or, conversely, how low self-esteem exacerbates the symptoms of SAD. The research was conducted using an online questionnaire, which was divided into three sections to gather relevant data from the sample. The collected data were then analyzed statistically to draw conclusions. The results reveal statistically significant relationships between anxiety/fear, avoidance behaviors, self-esteem, and mental health issues. Additionally, a significant correlation was found between avoidance behaviors and low self-esteem, affirming the research hypothesis that social phobia and self-esteem are interrelated.
 

 Article visualizations:
EFFECT OF CARDIO EXERCISES ON THE HORMONE IRISIN CUMULATIVE BLOOD SUGAR AND BODY MASS INDEX AMONG RETIRED ATHLETES
Authors: Hatem Muthana Layth , Abdulzahra Mustafa Ghasib
Published: September 2024

The study aimed to identify the effect of high-intensity cardio exercise on the hormone iricin, cumulative sugar and body mass index among the research sample members. The researchers adopted the experimental approach for its suitability and the nature of the research phenomenon to be studied. They identified their research population in a deliberate way, namely the retired football players over the age of (40) years and the number of (15) retired players. The researchers concluded that cardio exercises raised the level of erycine measurements and the active cycle of metabolism and reduced the level of cumulative glucose measurement; there was an improvement in body mass index and a decrease due to the effect of cardio exercises.
 

 Article visualizations:
TΗΕ TEACHING PROGRAMS AND STRATEGIES. THE PERSPECTIVE WITH NEUROEDUCATION AND NEUROPEDAGOGY: TRIBUTION TO THE TEACHER AND WRITER KOSTAS CHRISTAKIS
Authors: Kalamari Artemis , Drossinou-Korea Maria
Published: September 2024

In the context of the tribute to the teacher and writer Kostas Christakis, this paper discusses issues related to programs and teaching strategies in the light of neuroeducation and neuropedagogy. The following text is inspired by his books "Special difficulties and needs in primary school" and "Teaching programs and strategies for people with special educational needs and severe learning difficulties". Through the neuropedagogy, teachers understand the brain function to tailor instruction to the individual differences and special educational needs [SENs] and Disabilities of students. Their combination with the above programs creates a global framework for improving learning and the integration for them into the educational system. The perspective of neuroeducation and neuropedagogy reflect the importance of targeted special education and training [SET] under the pedagogical consideration principle of individuality. The teaching programs and strategies are formulated to meet the special educational [SENs] needs of each student, thus enhancing their success and autonomy in the educational environment (Christakis, 2023, 2011, 2006, 2000).
 

 Article visualizations:
EXPERIENCES OF PARENTS IN TEACHING SELF-HELP SKILLS TO LEARNERS WITH INTELLECTUAL DISABILITY DURING THE COVID-19 PANDEMIC
Authors: Padillo Gengen G. , Cabarca Joy Dominique M. , Longakit Hylene B. , Misa Tesa Rose E. , Manguilimotan Ramil P. , Capuno Reylan G.
Published: September 2024

The main concern in education and its goal for all learners with Intellectual Disability (ID) is to continue providing learning continuity for them to be functional individuals amidst the COVID-19 pandemic. This study delved into teachers' experiences in teaching self-help skills to learners with intellectual disabilities during the pandemic in the Division of Toledo City. Using an interpretative phenomenological analysis (IPA), a qualitative research method was utilized to gather data from the parents/guardians selected through purposive random sampling to determine the parents' experiences in teaching self-help skills to learners with Intellectual Disability (ID). The results revealed that parents had more positive experiences than negative experiences in teaching their children with ID self-help skills during the pandemic. Furthermore, the challenges they encountered included teaching special education, which is tough and about following the teacher’s instructions, while the coping mechanisms were teaching through modeling and following the instructions in the module. With the foregoing, it is therefore true that the involvement of the parents in teaching children with Intellectual Disability (ID) greatly affects the learners. The participation of parents in schools can help promote positive behaviors among children. Hence, it is recommended that school administrators and other policymakers encourage activities that would support the families of learners with intellectual disability (ID).
 

 Article visualizations:
THE POLITICS OF RESPECTABILITY AND CULTURE
Authors: Charley Francis Benson
Published: September 2024

Studying a phenomenon that has been used to defend social and economic injustices, this abstract looks at the politics of respectability and culture. In order to uphold dominant ideas and silence marginalized voices, respectability politics asserts that some attitudes, behaviors, and lifestyles are morally better to others. This abstract examines respectability via a critical lens, showing how it creates shame and guilt, suppresses disadvantaged voices, and upholds societal structures. The abstract posits that the politics of respectability serve as a social control mechanism to uphold power imbalances and enforce prevailing norms, drawing on feminist, critical race, and queer theories. Our goal should be to create a society that is more equal and inclusive by opposing and subverting respectability politics.

 

 Article visualizations: