Miracle-dz/UniFAR-FTUs huggingface dataset:
Wind Turbine Performance in Controlled Conditions: Experimental Results

Abstract Experimental research has been completed using a custom designed and built 4.3 m diameter wind turbine in a large scale university operated indoor wind facility. The primary purpose of the turbine testing outlined here was to determine the power production of the turbine. These tests were completed over a wide range of wind speeds and turbine blade rotational speeds. Two other previous large scale wind turbine tests are also briefly discussed with a comparison outlining the unique aspects of these experiments. Power production tests were completed covering a range of mean wind speeds, 6.4 m/s to 11.1 m/s nominal, and turbine low speed shaft rotational rates, 40 rpm to 220 rpm. This testing allowed the total power produced by the blades to be determined as a function of input wind speed, as traditionally found in power curves for commercial turbines. The coefficient of power, CP , was determined as a function of the tip speed ratio λ which gives insight into the peak power production of the experi.
Population-Based Screening and Eradication of Helicobacter pylori in a Resource-Limited Population of Sub-Saharan Africa

Background: Helicobacter pylori (H. pylori) infection is a common cause of chronic dyspepsia worldwide. Its prevalence in the developing world remains understudied, however. Given that H. pylori is the most significant risk factor for developing gastric cancer, an accurate assessment of the effectiveness of population-based screening and eradication of H. pylori is warranted. The objectives of this study were to determine the prevalence of H. pylori, to identify risk factors associated with H. pylori colonization, and to assess the efficacy of triple therapy on H. pylori eradication within a region of sub-Saharan Africa.Methods: We administered a dyspepsia questionnaire to 376 randomly selected adult residents of the Namutumba District in Uganda. Participants submitted a stool sample for H. pylori fecal antigen testing. H. pylori-positive participants were given standard triple therapy. The efficacy of triple therapy on H. pylori eradication was established by fecal H. pylori antigen testing and improvement in dyspepsia scores after treatment. Dyspeptic, H. pylori-negative participants were administered daily omeprazole for one month. Logistic regression analyses were used to identify factors associated with H. pylori positivity, chronic dyspepsia, and H. pylori eradication failure.Results: The prevalence of H. pylori within the study population was 48%. A higher level of education was significantly associated with H. pylori positivity. 87% of study participants reported at least one symptom of dyspepsia, with 43% reporting moderate or severe dyspepsia. Dyspepsia severity was independent of H. pylori status. Standard triple therapy resulted in ~90% eradication. Missing four or more doses of the triple therapy regimen was significantly associated with H. pylori eradication failure.Conclusions: Chronic dyspepsia is a common complaint in this sub-Saharan population but is not by itself a defining feature of H. pylori positivity. Clinical suspicion for H. pylori within this population should nonetheless remain high, given the high prevalence of positivity among all those with dyspepsia, including many with relatively mild dyspeptic symptoms. Population-based screening and adherence to standard triple therapy are effective at eradicating H. pylori within this region. Trial Registration: This study was registered in ClinicalTrials.gov (TRN: NCT04525664, registered 24 August 2020 – Retrospectively registered, https://clinicaltrials.gov/ct2/show/NCT04525664). This study adheres to CONSORT guidelines.
CHOOSING CLEANER CARS: THE ROLE OF LABELS AND GUIDES - EXECUTIVE SUMMARY OF THE FINAL REPORT ON VEHICLE ENVIRONMENTAL RATING SCHEMES

In a study commissioned by the Society of Motor Manufacturers and Traders in a joint arrangement with the UK Department for the Environment, Transport and the Regions, the effectiveness, cost and practical implementation of vehicle environmental rating schemes was considered. A review of fuel economy labels for 10 countries is presented. Lessons from other labels, the treatment of comparative environmental information, combining data in environmental ranking schemes, consumer views, and the comparative analysis of new car fuel consumption are considered. It is suggested that the new fuel economy label should provide comparative information, use the existing EU Energy Label, and provide carbon dioxide emission and fuel consumption information. If information on noise is provided, it should be made clear that this is the external noise caused by the vehicle. Problems with indicating running costs of vehicles are discussed. The depiction of different fuel types and date of vehicle testing on the Energy Label is discussed. The importance of making comparative guides available to consumers before they arrive at the car showroom is discussed. Presentation of information via the internet is considered. It is considered that any ranking of vehicles according to carbon dioxide emissions should be kept separate from a ranking according to air-quality-related emissions.
Comparison and implementation of IPS

Innomhuspositioneringssystem kan med fordel anvandas i manga olika tillampningar, allt fran sjukhus till shoppingcenter. Denna rapport behandlar olika tekniker och losningar for att designa ett positioneringssystem. Rapporten tar aven upp i detalj hur ett system kan konstrueras av ZigBee kombinerat med dodrakning.
Decision Making on AUVs for adaptive minehunting surveys

Minehunting operations can benefit from the use of Autonomous Underwater Vehicles (AUVs) because these vehicles are able to acquire high-resolution images of the seabed leaving the man out of the minefield. However, because there are severe communication constraints between the AUV and the control platform, the AUV needs to be capable of changing its behaviour when situations are encountered that differ from those assumed in the mission planning. Therefore, the AUV should have a capability to autonomously adapt to changing circumstances. This capability is important at different time scales during a mission, ranging from quick reactive responses to avoid objects to deliberative responses relating to the mission. In this paper, the focus is on the deliberative response at mission level. The specific case evaluates whether sufficient information is collected in the search-classify-map (SCM) phase to fulfil the mission requirements on effectiveness and efficiency. Based on this evaluation, decisions are made to extend the SCM-phase, to start the reacquisition and identification, or to abort the mission when the area is considered to be too complex for autonomous minehunting. The challenge is to enable the system to reason about measures of effectiveness such as the achieved detection performance in the mission. To enable this, the system has to be able to compute the value of the collected information using in-situ observations. Subsequently, it needs to choose the best future course of action taking into account the available resources. The evaluation of measures of performance and effectiveness in-mission and the subsequent decision-making has been demonstrated on the MUSCLE AUV during the MANEX’13 trial organised by the Centre of Maritime Research and Experimentation (CMRE).
Experimental and numerical modelling of walking locomotion on vertically vibrating low-frequency structures

Vibration serviceability is a governing factor in the design of low-frequency structures, which are sensitive to human-induced loads. To achieve reliable vibration estimates, structural engineers need to model the combined pedestrianstructure system as close to reality as possible. The most uncertain aspect in the modelling is accounting for pedestrian interaction with perceptibly vibrating structure. To improve understanding of this aspect, the thesis aims to provide experimental and numerical modelling of walking locomotion on lively structures in the vertical direction. Experimental programmes were conducted to provide characteristics of walking gait on both rigid and lively surfaces, where the former was used as benchmark for comparison. Both kinematic and kinetic parameters were measured using a motion capture system. Discrepancies of the gait parameters between data collected on imperceptibly and perceptibly vibrating surfaces, as consequences of the pedestrian-structure dynamic interaction, were quantified. The unique database provided in this thesis contributes to the understanding of locomotion on the vibrating surface and, therefore, can be used for calibration of pedestrian models intended for civil engineering applications. An interactive model was developed, using a biomechanical model to represent the pedestrian. The novel feature of this model is to account for two-way interaction between the pedestrian and the structure. A sensitivity analysis and validations of the proposed model against experimental data were also provided. Results of the modelling work inform designers detailed evaluations of performance of the model on both virtual and as-built structures.
Comparison of Curcuma Caesia extracts for bioactive metabolite composition, antioxidant and antimicrobial potential

Abstract The objective of this study was to compare the antioxidant and antibacterial activity of Curcuma caesia rhizome extracts and to characterise its bioactive metabolites by Fourier Transform-Infrared (FTIR) spectroscopy and Gas Chromatography-Mass Spectroscopy (GC-MS). Extracts were prepared using methanol, acetone and ethyl acetate by cold percolation methods. Compared to other extracts, methanol extract discovered to have the greatest antioxidant capacity. Analysis of FTIR spectra of all the extracts of Curcuma caesia shows the existence of several functional groups such as phenol, aldehydes and carboxylic group. But in methanol extract C≡C stretching bond, nitro compound and conjugated aldehyde were also presented. GC-MS extract assessment showed that sesquiterpene and monoterpenes were primarily presented. This research provides an efficient basis for separating the innovative bioactive compound from plant and assessing their effectiveness for antioxidant and antibacterial operations in particular.
Engaging for Puerto Rico: #RickyRenuncia (and #RickySeQueda) during El Verano del 19 and digital identities

Between July 13-24, 2019 the people of Puerto Rico took the streets after a series of corruption scandals shocked the political establishment. The social uprising resulted in the ousting of the Governor of Puerto Rico (Dr. Ricardo Rosselló, Ricky), the resignation of the majority of his staff something unprecedented in the history of Puerto Rico; this period has been called El Verano del 19 (Summer of 19). Social media played a crucial role in both the organization and dissemination of the protests, marches, and other activities that occurred within this period. Puerto Ricans in the island and around the world engaged in this social movement through the digital revolution mainly under the hashtag #RickyRenuncia (Ricky Resign), with a small counter movement under the hashtag #RickySeQueda (Ricky will stay). The purpose of this study is to illustrate the magnitude and grass roots nature of the political movement’s social media presence, as well as their characteristics of the population of both movements and their structures. We found that #RickyRenuncia was used approximately one million times in the period of analysis while #RickySeQueda barely reached 6,000 tweets. Particularly, the pervasiveness of cliques in the #RickySeQueda show concentrations of authority dedicated to its propagation, whilst the #RickyRenuncia propagation was much more distributed and decentralized with little to no interaction between significant nodes of authority. Noteworthy was the role of the Puerto Rican diaspora in the United States of America and around the world, contributing close to 40% of all geo-located tweets. Finally, we found that the Twitter followers of the former governor had indicators of being composed of two distinct populations: 1) those active in social media and 2) those who follow the account but who are not active participants of the social network. We discuss the implications of these findings on the interpretation of emergence, structure and dissemination of social activism and countermovement to these activities in the context of Puerto Rico.
VEHICLE CRASH TEST AND EVALUATION OF MEDIAN BARRIERS FOR TEXAS HIGHWAYS

FULL-SCALE TESTS WERE CONDUCTED TO EVALUATE AND COMPARE THE PERFORMANCE OF THREE MEDIAN BARRIERS OF DIFFERENT CONFIGURATION AND LATERAL STIFFNESS: THE SEMIRIGID METAL BEAM GUARD FENCE. WHICH CONSISTS OF TWO BACK-TO-BACK STEEL W-BEAM GUARDRAILS ON BREAKAWAY STEEL POSTS; THE RELATIVELY RIGID E-3, WHICH CONSISTS OF TWO DIFFERENT SIZES OF STRONG ELLIPTICAL STEEL RAIL MEMBERS MOUNTED ON STRONG FABRICATED STEEL POSTS; AND THE RIGID CONCRETE MEDIAN BARRIER WITH INCLINED FACES. ALL THREE BARRIERS SATISFACTORILY RESTRAINED AND REDIRECTED A STANDARD-SIZED 4,000-LB PASSENGER VEHICLE UNDER THE SEVERE IMPACT CONDITIONS OF ABOUT 60 MPH AND 25 DEG. HOWEVER, SEVERE SANAGGING OCCURRED ON A POST OF THE E-3 BARRIER AS A RESULT OF THE VEHICLE MOUNTING THE LOWER RAIL MEMBER. THE SEMIRIGID FENCE BARRIER IS THE MOST ECONOMICAL WITH REGARD TO INITIAL CONSTRUCTION COSTS AND THE SAFEST CONCERNING PROBABILITY OF INJURY TO UNRESTRAINED OCCUPANTS DURING TEST IMPACT CONDITIONS. HOWEVER, THE BARRIER WILL COST THE MOST TO REPAIR, AND ITS USE IN NARROW MEDIANS IS NOT DESIRABLE BECAUSE OF THE POSSIBILITY OF THE VEHICLE DISPLACING THE BARRIER AND KNOCKING THE LIGHT POLE INTO THE ROADWAY. THE BARRIER WOULD BE SATISFACTORY FOR USE ON RURAL ROADWAYS WITH WIDE SHOULDERS AND WIDE MEDIANS. THE RIGID MEDIUM BARRIER IS THE MOST ECONOMICAL WHEN BOTH INITIAL CONSTRUCTION COSTS AND ESTIMATED REPAIR COSTS ARE CONSIDERED. /AUTHOR/
Geneva

The symbol of the «world’s smallest metropolis» is the “Jet d’eau” – a fountain with a 140-metre-high water jet at the periphery of Lake Geneva. Most of the large hotels and many restaurants are situated on the right-hand shore of the lake. The old town, the heart of Geneva with the shopping and business quarter, holds sway over the left-hand shore. It is dominated by St. Peter’s Cathedral, however the actual centre of the old town is the Place du Bourg-de-Four, which is the oldest square in the city. Quays, lakeside promenades, countless parks, lively side streets in the old town and elegant shops invite guests to stroll. One of the best-maintained streets is the Grand-Rue, where Jean-Jacques Rousseau was born. The «mouettes», a type of water taxi, enable crossings to be made from one lakeshore to the other, while larger vessels invite visitors to enjoy cruises on Lake Geneva.
Introducing the hybrid unipolar bipolar field effect transistor : the HUBFET

Modern commercial aircraft are becoming increasingly dependent on electrical power. More and more of the systems traditionally powered by hydraulics or pneumatics are being migrated to run on electricity. One consequence of the move towards electrical power is the increase in the storage capacity of the bat- teries used to supplement the power generation. The increase in battery size increases the maximum stress that a short circuit failure can put on the power distribution system. Although such failures are extremely rare, the fail safe switches in the distribution system must be capable of handling extremely high energy short circuits and turning off the power to protect the electrical systems from damage. Traditionally aircraft have used electromechanical relays in this role. However, they are large, heavy and slow to switch. As the potential power level is increased, the slow switching becomes more of a problem. The solution is a semiconductor switch. An IGBT can handle the high short circuit currents and switches fast enough to prevent short circuits damaging key systems. However, the inherent voltage drop in the forward current path significantly reduces its efficiency during nominal operation. A power MOSFET would be considerably more efficient than an IGBT during nominal operation. However, during high current surges, the ohmic behaviour of the switch leads to extremely high power loss and thermal failure. In this thesis a solution to this problem is presented. A new class of semiconductor device is proposed that has the highly efficient low current performance of the power MOSFET and the high current handling capability of the IGBT. The device has been named the Hybrid Unipolar Bipolar Field Effect Transistor or HUBFET. The HUBFET operates in unipolar mode, like a MOSFET, at low currents and in bipolar mode, like an IGBT, at high currents. The structure of the HUBFET is a merging of the MOSFET and IGBT. It is a vertical device with a traditional MOS gate structure, however the backside consists of alternating regions of both N-type and P-type doping. Through simulation the key on-state characteristics of the HUBFET have been shown. Fabricated test modules have been tested to validate the simulations and to show how the HUBFET can dynamically transistion from unipolar to bipolar mode during a short circuit event. Following the proof of concept the pattern of implants on the backside of the device that give the HUBFET its characteristic were investigated and potential improvements to the design were identified.
Interplay between the RNA binding‐protein Musashi and developmental signaling pathways

Musashi comprises an evolutionarily conserved family of RNA‐binding proteins (RBP) that regulate cell fate decisions during embryonic development and play key roles in the maintenance of self‐renewal and differentiation of stem cells and adult tissues. More recently, several studies have shown that any dysregulation of MSI1 and MSI2 can lead to cellular dysfunctions promoting tissue instability and tumorigenesis. Moreover, several reports have characterized many molecular interactions between members of the Musashi family with ligands and receptors of the signaling pathways responsible for controlling normal embryonic development: Notch, Transforming Growth Factor Beta (TGF‐β), Wingless (Wnt) and Hedgehog Signaling (Hh); all of which, when altered, are strongly associated with cancer onset and progression, especially in pediatric tumors. In this context, the present review aims to compile possible cross‐talks between Musashi proteins and members of the above cited molecular pathways for which dysregulation plays important roles during carcinogenesis and may be modulated by these RBP.
ONTARIO'S CARPOOL LOT PROGRAM AND RIDESHARE EXPERIENCE

The Ontario Ministry of Transportation (MTO) is developing an overall Travel Demand Management Strategy for the Province of Ontario, encompassing high occupancy vehicle (HOV) facilities on provincial highways, carpool lots, and ridesharing. The overall objective for the three complementary programs is to reduce the hazards of the number of single occupant vehicles on the road network, reduce energy consumption, decrease road congestion, and maximize utilization of existing highway infrastructure. Since 1979, the Ministry has constructed and operated a network of carpool lots across Ontario. The need for carpool lots was also reinforced through the implementation of the Ministry ridesharing program in the late-1970s. The Share-A-Ride Program came into being in 1978 as part of the provincial government's Transportation Energy Management Program, established in response to the oil crisis at that time. With the imminent introduction of freeway HOV lanes in the Greater Toronto Area and the momentum across the Greater Toronto Area for a network of HOV facilities, it became essential for the Ministry of Transportation to take a fresh look at its existing carpool lot and the rideshare programs. The Ministry of Transportation initiated the Carpool Lot Study in 1997 to confirm whether there is a business case for the Province of Ontario to continue to build, operate, and maintain carpool lots and, if so, what are the policy directions for the Ministry. This paper also discusses a review of the rideshare program, including success and failures of rideshare programs in the U.S. and Ontario, and lessons learned.
PLANNING AND SCHEDULING THE REPAIR SHOPS OF THE DEUTSCHE LUFTHANSA AG: A HIERARCHICAL APPROACH

To plan and schedule the repair shops for recoverable parts at Deutsche Lufthansa AC, we designed a hierarchical model consisting of two levels. The top level calculates the optimal number of parts in the system to guarantee a certain service level while minimizing the capital tied up in parts. Given this provision, the lower level schedules the repair of parts so that the service level is actually maintained. Using queuing theory, the solution gives special attention to the different hierarchical dependencies. Lufthansa has implemented the model for its repair shops of electronic parts. Their experience with the model is discussed briefly.
Design Practice as a Discursive and Interrogating Performance

This PhD is focused on how design can play a role in engaging people in potential serious issues, or producing forms of knowledge that are still unstable, or controversial. The research objective is two-fold. At first, to engage my practical skills as a designer to further develop the notion of discursive design, this will be done through a series of hands-on explorations that in different ways aim to mediate and visualise the issue of concern. My role as a designer is meant to reveal new experiences, tell new stories by assuming design is about linking the imagination to material forms. And secondly, to investigate and question how the object of design can be a purposeful, deliberate, direct participant that can open up to dialogue among participants inside as well as outside a project. This article presents the status of two different research projects in relation to my current key areas of research where I employ my skills within interaction and product design in a co-design research environment.