bluuebunny/crossref_metadata_2025_split huggingface dataset:
Numerical Analysis on Improving Transmission Loss of Reactive Muffler using Various Sound Absorptive Materials
Authors: Patne Mayur Manohar , Senthilkumar S , Jerome Stanley M 
Published: December 2020

Abstract
Finite element analysis approach is used to determine the transmission loss for an optimized geometry of reactive multi-chamber muffler. The pressure acoustics theory is involved in the present problem and it examines the wave nature of sound and also the intensity with which it propagates. COMSOL Multiphysics software was used for modelling and analysis. The acoustics module with parallel study in frequency domain was utilized to study the flow and acoustic behaviour of the reactive muffler. Various absorptive liner materials were considered for the muffler and the transmission losses were compared. In addition to the above, the thickness of liner and inlet pressure were varied in order to have profound work for discussion. The validation of predicted transmission loss is in good agreement with the referred experimental data. The result for different types of absorptive liner materials was tracked in comparison with the muffler without liner. The average transmission loss was found to be increased by 8% with the introduction of absorptive liner with 10mm thickness. Finally, the calculated sound pressure level with total acoustic pressure field and streamlines intensity provide insight of the physics involved.
Reducing circularity error by optimizing the Operating parameters in Fused deposition modeling using Genetic Algorithm
Authors: Naresh G , Subramanian Vengatesan , Palanivendhan M , Devanathan K , Prasath Thanesh , Dhinesh  , Logesh V 
Published: December 2020

Abstract
The Additive manufacturing of materials is growing rapidly in the area of research and development. Since it neglects the cost to make molds, jigs or fixtures for newly developed component which may be tested later. This work focuses on building parts using Fused Deposition Modelling (FDM) by producing optimum strength of materials. The property of the manufactured parts varies with change in process parameters. This limits the strength of the component manufactured using FDM which rely on controllable variables like raster width, bead width, contours, air gap, part orientation, rate of deposition, extrusion speed and printing speed. Deciding the optimum combination of all these parameters are difficult while making a product. This project focuses on an investigation on find an optimum level of part orientation, layer thickness and air gap for maximizing tensile strength and reducing the circularity error on manufactured part.
Modeling and analysis of Piston and Piston rings of SI engine for different materials using FEM
Authors: Kiran S , Palanivendhan M , Kumar Mitesh 
Published: December 2020

Abstract
This research paper deals with the modeling and analysis of piston rings using SOLIDWORKS and ANSYS. In the work presented, both Structural and Thermal analysis of rings is deliberated in order to quantify the stress that the rings can bear. The various parameters studied under structural analysis are displacement and ultimate stress limit and parameters in thermal analysis are thermal gradients, heat flow rates, and heat fluxes calculated using six distinct materials of the piston rings. A cumulative analysis is performed which considers the combined effect of mechanical and load for determination of the dimensions of the rings.
Design, Optimisation and Testing of a 200CC Single Cylinder Petrol Engine for FHSAE Car for Mid-Range Torque Improvement
Authors: Prabhu C , Rana Tushar , Ahmed Shahbaz , Ramdas Parth , Prakash T 
Published: December 2020

Abstract
The present work aims to optimize the intake manifold design suitable of a 200cc KTM engine, n order to get the best power and torque output from the engine in the mid RPM range. Currently this engine produce majority of its power output at very high RPM, design will be such that it performs best at mid-range, this will increase the drivability of the vehicle as the engine will not need to be revved hard to accelerate, thus increasing fuel efficiency of the vehicle. After necessary calculations has been carried out for the size and shape of the manifold, the same has been modeled using Solidworks and subsequently flow analysis was carried out using ANSYS. With a preliminary design is finalized, after several steps of iteration, a prototype was created using Rapid Prototyping Technique (RPT), for experimental validation with the engine. Its performance was evaluated to make further changes in the final design and thereon the final product has been manufactured using 3D printing technology. Performance characteristics assessment with the optimized design was performed to assess the torque and volumetric efficiency. With the optimized design, an increase in volumetric efficiency by 6.1 % at the desired RPM range and an increase of torque by 1.1 Nm respectively, has been achieved.
An Eminent Design for Wireless Power Transfer Using Rectenna Module Using Interleaved Boost Converter to Increase the Power Efficacy Delivered to the Biomedical Device
Authors: Prabhakaran V , Pavithra S 
Published: December 2020

Abstract
In recent “on-the-go (OTG)” trend people depend heavily on wireless technologies which made human life much ease in accessing the data with reduced latent speed. Today, all gadgets including portable music players, headphones, smart watch, gaming console, etc. are wireless. With booming technological development, transferring power in wireless mode is always a challenging task from ancient period. One of the eminent techniques in wireless power transfer is transmitting the power via electromagnetic signals. In this paper, a receiver which receives this wireless power is designed with an antenna module called Rectenna. Using this rectenna an inverter module is also designed which can deliver power to the practical load connected with it. In addition, this Rectenna module is simulated in the MATLAB Simulink environment with an eminent “Interleaved Boost Converter” to boost the signal to higher level to power the load/biomedical device.
IOT Based Real-time Medical Device Monitoring System
Authors: Sreeskesh R , Subin S , Sadan Nandhu , Abdullah M , Prabhakaran V 
Published: December 2020

Abstract
Live clinical gadgets observing is the live information sign of all clinical Electronic gadgets in a medical clinic. The live information incorporate, intensity of the gadget, notice about the administration time of the gadget, current working state of the gadget and other valuable information. The information can be gotten to by a web application introduced on a PC. It tends to be gotten to by biomedical designers in the presumed office. The information can be gotten to with the assistance of distributed computing, all gadgets in the emergency clinic are associated with the cloud have through web association in every gadget. The information is put away in the cloud itself, we can get to and download information whenever. This undertaking can be utilized in urban emergency clinics, the zone wherein it is hard to arrive at the medical clinic. We can check the sculptures of the gadget utilizing this venture rather than customary visits to the medical clinic. Likewise it is helpful while harming any hardware during crisis conditions; we can simply check the web application, where similar gadgets are free enough in a similar clinic for supplanting the harm frame work.
An Eminent Design of Multipurpose (All-In-One Kneading Belt) for Lumbar Massage
Authors: Panda Kunal Kaushik , Anupriya M , Naveen C , Sandhiya R 
Published: December 2020

Abstract
Examination keeps on suggesting that massage treatment could even be powerful for very condition and socioeconomics. Massage treatment can assume a boundless job in wellbeing and health systems. The expanding utilization of massage treatment as an assistant to customary ensure musculoskeletal injury recuperation then the developing number of doctor referrals for massage speak to a move toward non-tranquilize based treatments for private wellbeing. Given the spiralling expense of treatment and prescriptions in numerous nations, all things considered, more patients will get this treatment still as other non-customary clinical choices to fortify more ordinary ways to deal with their medicinal services. In this article, we propose a multispecialty massage belt for the users/patients to enhance their skeletal support for the betterment of their life. Especially, on the grounds that musculoskeletal issues vitally affect day by day capacity and personal satisfaction.
Bio inspired silver nanoparticle synthesis from fish liver oil and its antibacterial activity against shrimp pathogen
Authors: Sundaram Thanigaivel , Indu B. , Srinivasulu Reddy CH. , Swathi Raj V. S. , Hari priya S. , Poojitha Penubolu , Renusree Karnam , Govindarajan Gulothugan , Rajendiran Nanmaran , Sundaram Vickram 
Published: December 2020

Abstract
Fish liver oil is an excellent source of essential vitamins having nutritive supplements with effective medicinal importance. Reaction between the fish liver oil and silver nitrate is facilitated by the presence of nitrate salts, carboxylate ion and amine groups present in the fish liver oil during the nanoparticle synthesis. The silver nanoparticles formed after the biological interaction was characterized by the UV spectroscopic analysis for the confirmation of nanoparticles at 420nm, FTIR analysis confirms the presence of various functional groups in the sample. SEM analysis revealed the presence of silver nanoparticles at 46 nm with spherical in shape. Antibacterial efficacy of the nanoparticles was tested against the disease causing shrimp pathogen Vibrio harveyi by invitro method. A zone of inhibition of 13mm was seen. These synthesized nanoparticles were found to be effective.
Treatment of Contaminated Water Using Eco Friendly Material
Authors: Priyadharshini B , Abraham Marykutty , Parvathy  
Published: December 2020

Abstract
In the existing situation, wastewater treatment is a challenging issue for living organism and biophysical environment. The polluted water sources posture a serious issue concerning the various health hazards they bring along. Renewable methods involving the use of ecofriendly and natural materials for pollutant removal from wastewaters can offer a satisfactory solution suitable well with the characterization of sustainability. A water purification process is designed to remove or reduce existing water contaminants to the point where the water is fit for use. The purification technologies used in this experiment will help to remove the contaminants and give clear appearance to water in addition to the improvement in its smell and taste. Due to low cost and local availability of the materials used, this method is easy and can be preferred by everyone. By using natural materials, it not only removes the contaminants it adds nutrients to the water also which is good for health. The material Strychnos potatorum, Zea mays, Chrysopogon zizanioides, Cuminum cyminum, activated charcoal, sand gravel helps to remove all the physical and chemical parameters from water and make the water drinkable.
Hypoalbuminaemia, Not Biologic Exposure, Is Associated with Postoperative Complications in Crohn’s Disease Patients Undergoing Ileocolic Resection
Authors: Shah Ravi S , Bachour Salam , Jia Xue , Holubar Stefan D , Hull Tracy L , Achkar Jean-Paul , Philpott Jessica , Qazi Taha , Rieder Florian , Cohen Benjamin L , Regueiro Miguel D , Lightner Amy L , Click Benjamin H 
Published: December 2020

Abstract

Background
There are limited data on the postoperative outcomes in Crohn’s disease patients exposed to preoperative ustekinumab or vedolizumab. We hypothesised that preoperative biologic use in Crohn’s disease is not associated with postoperative complications after ileocolic resection.

Methods
Crohn’s disease patients who underwent ileocolic resection over 2009–2019 were identified at a large regional health system. Preoperative biologic use within 12 weeks of surgery was categorised as no biologic, anti-tumour necrosis factor, vedolizumab, or ustekinumab. The primary endpoint was 90-day intra-abdominal septic complication. Risk factors included preoperative medical therapies, demographics, disease characteristics, laboratory values, and surgical approach. Regression models assessed the association of biologic use with intra-abdominal septic complication.

Results
A total of 815 Crohn’s disease patients who underwent an ileocolic resection were included [62% no biologic, 31.4% anti-tumour necrosis factor, 3.9% vedolizumab, 2.6% ustekinumab]. Primary anastomosis was performed in 85.9% of patients [side-to-side 48.8%, end-to-side 26%, end-to-end 25%] in primarily a stapled [77.2%] manner. Minimally invasive approach was used in 41.4%. The 90-day postoperative intra-abdominal sepsis rate of 810 patients was 12%, abscess rate was 9.6%, and anastomotic leak rate was 3.2%. Multivariable regression modelling controlling for confounding variables demonstrated that preoperative biologic use with anti-tumour necrosis factor [p = 0.21], vedolizumab [p = 0.17], or ustekinumab [p = 0.52] was not significantly associated with intra-abdominal septic complication. Preoperative albumin &lt; 3.5 g/dl was independently associated with intra-abdominal septic complication (odds ratio [OR] 1.76 [1.03, 3.01]).

Conclusions
In Crohn’s disease patients undergoing ileocolic resection, preoperative biologics are not associated with 90-day postoperative intra-abdominal septic complication. Preoperative biologic exposure should not delay necessary surgery.
Combined aerobic/resistance/inspiratory muscle training as the ‘optimum’ exercise programme for patients with chronic heart failure: ARISTOS-HF randomized clinical trial
Authors: Laoutaris Ioannis D , Piotrowicz Ewa , Kallistratos Manolis S , Dritsas Athanasios , Dimaki Niki , Miliopoulos Dimitris , Andriopoulou Maria , Manolis Athanasios J , Volterrani Maurizio , Piepoli Massimo F , Coats Andrew J S , Adamopoulos Stamatis ,   ARISTOS-HF trial (Aerobic, Resistance, InSpiratory Training OutcomeS in Heart Failure) Investigators
Published: December 2020

Abstract

Aims
An ‘optimum’ universally agreed exercise programme for heart failure (HF) patients has not been found. ARISTOS-HF randomized clinical trial evaluates whether combined aerobic training (AT)/resistance training (RT)/inspiratory muscle training (IMT) (ARIS) is superior to AT/RT, AT/IMT or AT in improving aerobic capacity, left ventricular dimensions, and secondary functional outcomes.

Methods and results
Eighty-eight patients of New York Heart Association II–III, left ventricular ejection fraction  ≤ 35% were randomized to an ARIS, AT/RT, AT/IMT, or AT group, exercising 3 times/week, 180 min/week for 12 weeks. Pre- and post-training, peakVO2 was evaluated with cardiopulmonary exercise testing, left ventricular dimensions using echocardiography, walking distance with the 6-min walk test (6MWT), quality of life by the Minnesota Living with HF Questionnaire (MLwHFQ), while a programme preference survey (PPS) was used. Seventy-four patients of [mean 95% (confidence interval, CI)] age 66.1 (64.3–67.9) years and peakVO2 17.3 (16.4–18.2) mL/kg/min were finally analysed. Between-group analysis showed a trend for increased peakVO2 (mL/kg/min) [mean contrasts (95% CI)] in the ARIS group [ARIS vs. AT/RT 1.71 (0.163–3.25)(.), vs. AT/IMT 1.50 (0.0152–2.99)(.), vs. AT 1.38 (−0.142 to 2.9)(.)], additional benefits in circulatory power (mL/kg/min⋅mmHg) [ARIS vs. AT/RT 376 (60.7–690)*, vs. AT/IMT 423 (121–725)*, vs. AT 345 (35.4–656)*], left ventricular end-systolic diameter (mm) [ARIS vs. AT/RT −2.11 (−3.65 to (−0.561))*, vs. AT −2.47 (−4.01 to (−0.929))**], 6MWT (m) [ARIS vs. AT/IMT 45.6 (18.3–72.9)**, vs. AT 55.2 (27.6–82.7)****], MLwHFQ [ARIS vs. AT/RT −7.79 (−11 to (−4.62))****, vs. AT −8.96 (−12.1 to (−5.84))****], and in PPS score [mean (95% CI)] [ARIS, 4.8 (4.7–5) vs. AT, 4.4 (4.2–4.7)*] [(.) P ≤ 0.1; *P ≤ 0.05; **P ≤ 0.01; ***P ≤ 0.001; ****P ≤ 0.0001].

Conclusion
ARISTOS-HF trial recommends exercise training for 180 min/week and supports the prescription of the ARIS training regime for HF patients (Clinical Trial Registration: http://www.clinicaltrials.gov. ARISTOS-HF Clinical Trial number, NCT03013270).
Longitudinal Autonomic Nervous System Measures Correlate With Stress and Ulcerative Colitis Disease Activity and Predict Flare
Authors: Hirten Robert P , Danieletto Matteo , Scheel Robert , Shervey Mark , Ji Jiayi , Hu Liangyuan , Sauk Jenny , Chang Lin , Arnrich Bert , Bӧttinger Erwin , Dudley Joel , Keefer Laurie , Sands Bruce E 
Published: December 2020

AbstractBackgroundDifferences in autonomic nervous system function, measured by heart rate variability (HRV), have been observed between patients with inflammatory bowel disease and healthy control patients and have been associated in cross-sectional studies with systemic inflammation. High HRV has been associated with low stress.MethodsPatients with ulcerative colitis (UC) were followed for 9 months. Their HRV was measured every 4 weeks using the VitalPatch, and blood was collected at baseline and every 12 weeks assessing cortisol, adrenocorticotropin hormone, interleukin-1β, interleukin-6, tumor necrosis factor-α, and C-reactive protein (CRP). Stool was collected at enrollment and every 6 weeks for fecal calprotectin. Surveys assessing symptoms, stress, resilience, quality of life, anxiety, and depression were longitudinally collected.ResultsLongitudinally evaluated perceived stress was significantly associated with systemic inflammation (CRP, P = 0.03) and UC symptoms (P = 0.02). There was a significant association between HRV and stress (low-frequency to high-frequency power [LFHF], P = 0.04; root mean square of successive differences [RMSSD], P = 0.04). The HRV was associated with UC symptoms (LFHF, P = 0.03), CRP (high frequency, P &lt; 0.001; low frequency, P &lt; 0.001; RMSSD, P &lt; 0.001), and fecal calprotectin (high frequency, P &lt; 0.001; low frequency, P &lt; 0.001; RMSSD, P &lt; 0.001; LFHF, P &lt; 0.001). Significant changes in HRV indices from baseline developed before the identification of a symptomatic or inflammatory flare (P &lt; 0.001).ConclusionsLongitudinally evaluated HRV was associated with UC symptoms, inflammation, and perceived and physiological measures of stress. Significant changes in HRV were observed before the development of symptomatic or inflammatory flare.
In vitroactivity of the novel antifungal olorofim against dermatophytes and opportunistic moulds includingPenicilliumandTalaromycesspecies
Authors: Singh Ashutosh , Singh Prerna , Meis Jacques F , Chowdhary Anuradha 
Published: December 2020

AbstractObjectivesOlorofim is a novel antifungal agent with in vitro activity against Aspergillus and other opportunistic moulds. We investigated the in vitro activity of olorofim against a range of filamentous fungi comprising isolates of Aspergillus species, Scedosporium species, Alternaria alternata, dermatophytes, including terbinafine- and multidrug-resistant Trichophyton species, and Penicillium/Talaromyces species originating from patients in North India.MethodsAntifungal susceptibility of olorofim was tested against 241 mould isolates of Penicillium/Talaromyces species, Trichophyton species, A. fumigatus and cryptic Aspergillus species, Scedosporium species, and Alternaria alternata using CLSI broth microdilution. The comparators were five systemic azoles, amphotericin B, terbinafine, and luliconazole.ResultsOverall, olorofim showed highly potent in vitro activity against dermatophytes and opportunistic moulds (MIC range of 0.004–0.125 mg/L) except for Alternaria alternata. Penicillium, and Talaromyces species and Trichophyton species exhibited a low geometric mean (GM) MIC (GM 0.027 mg/L and 0.015 mg/L, respectively) of olorofim. Importantly, a 2–12 dilution step decrease in in vitro activity of olorofim as compared with azoles was observed against Penicillium and Talaromyces. Notably, olorofim displayed potent in vitro activity against Trichophyton isolates including terbinafine-resistant and azole-resistant Trichophyton mentagrophytes/interdigitale with a modal MIC value of 0.008 mg/L. Further, azole-resistant A. fumigatus isolates harbouring mutations in azole target Cyp51A genes and several cryptic aspergilli displayed low MICs (range 0.004–0.03 mg/L) of olorofim. However, no in vitro activity of olorofim against Alternaria alternata was observed.ConclusionsThe potent in vitro activity of olorofim against drug-resistant dermatophytes and opportunistic moulds is promising, warranting evaluation of the clinical utility of olorofim.
Swayne’s hartebeest (Alcelaphus buselaphus swaynei): home range and activity patterns in Maze National Park, Ethiopia
Authors: Tamrat Misganaw , Atickem Anagaw , Tsegaye Diress , Fashing Peter J , Evangelista Paul , Bekele Afework , Stenseth Nils Chr 
Published: December 2020

Abstract
Home range and activity patterns of animals are important elements for wildlife management and conservation practices. We examined seasonal home range and daily activity patterns of the endangered Swayne’s hartebeest (Alcelaphus buselaphus swaynei) in Maze National Park, Ethiopia. We tracked two groups of Swayne’s hartebeests in open grassland for 1 year. Each group’s daily activities (0700–1900 h) and GPS locations were recorded at 15-min intervals on 5 days every month. Activities were grouped into five behavioral categories: feeding, resting, traveling, vigilance, and other. In addition, we carried out nocturnal monitoring during full moon periods to further document movements patterns. We produced 95% and 50% kernel density estimates (KDE) of home range sizes for each group. Home range estimates did not vary across seasons. Feeding and traveling peaked during the early morning and late afternoon, whereas resting occurred most frequently during the midday hours in both seasons. The proportion of time spent feeding was higher during the dry season, whereas a greater proportion of time was spent resting during the wet season. Vigilance behavior occurred consistently throughout the day during both seasons. Time spent feeding and traveling did not vary significantly between seasons. Activity patterns of Swayne’s hartebeests are strongly influenced both by time of day and season, while home range size is less influenced by seasonality and may instead reflect temporal variation in food availability. Our findings will help to inform management strategies and conserve one of the last two extant populations of Swayne’s hartebeests.
How do institutional changes facilitate university-centric networks in Taiwan? The Triple Helix model of innovation view
Authors: Chang Yuan-Chieh , Chen Po-Hsuan , Teng Min-Jun 
Published: December 2020

AbstractThis article investigates how institutional changes facilitate university-centric interactions from the Triple Helix model of innovation perspective. The Triple Helix research framework consists of three cyclical dimensions, namely government institutional changes, the roles, missions, and interactions of universities, and university-centric networks. By developing a triangulation method, the qualitative dataset of the Taiwanese institutional changes includes science and technology, educational, and industrial policies; the quantitative dataset (1986–2015) collects the patents of Taiwanese universities via the US Patent and Trademark Office database. The results reveal that integrated policies systemically facilitate institutional changes that drive the transition of university’s roles and missions, while the university-centric networks have transformed from isolated to loosely-coupled and ultimately, to densely interactive networks. This article concludes that government institutional changes have effectively transformed the roles and interactions of universities with other actors towards entrepreneurial universities, in turn, have facilitated a more interactive Triple Helix model of innovation in Taiwan. Some policy implications are suggested.