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141
Analysis of Partial Discharges in Oil-Impregnated Transformer Paper Insulation and PET-G Insulation
Published 2025“…Thus, the impact of varying the radius and position of spherical air voids on the characteristics of PDs in PTs is examined using a 3-D finite element analysis (FEA) model designed in COMSOL Multiphysics. …”
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142
Battery Thermal Management: An Application to Petrol Hybrid Electric Vehicles
Published 2023“…<div><p>Battery thermal management systems (BTMS) in hybrid electric vehicles can be complex and heavy. They tend to increase energy consumption, leading to higher carbon dioxide emissions. …”
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Hydrogen Sulfide (H<sub>2</sub>S) Sensor: A Concept of Physical Versus Virtual Sensing
Published 2021“…It is slightly denser than air, and a mixture of H<sub>2</sub>S and air can be volatile. …”
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146
Wind shear coefficient, turbulence intensity and wind power potential assessment for Dhulom, Saudi Arabia
Published 2020“…The study also includes the local values of air density calculated using temperature and pressure measurement made at 2 m AGL during the same period. …”
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147
Implicit Definition of Flow Patterns in Street Canyons—Recirculation Zone—Using Exploratory Quantitative and Qualitative Methods
Published 2019“…<p dir="ltr">Air pollution is a major health hazard for the population that increasingly lives in cities. …”
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148
The rising danger of heat waves
Published 2015“…According to the model, heat waves are most likely to occur in Qatar’s northern coastal region, largely because of increased humidity and temperature as a result of air pollution from expansion of the oil and gas industries. …”
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149
Potential of Fuel Consumption Saving of Brayton Waste Heat Recovery Systems on Series Hybrid Electric Vehicles
Published 2020“…Therefore, the resulting high exhaust gas temperature presents the advantage of increased WHR efficiency. Brayton cycle offers a relative reduced weight compared to other WHR systems and present low complexity for integration in vehicles since it relies on open system architecture with air as working fluid, which consequently avoid the need for a condenser compared to Rankine systems. …”
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150
Brayton cycles as waste heat recovery systems on series hybrid electric vehicles
Published 2018“…Therefore, the resulting high exhaust gas temperature presents the advantage of increased WHR efficiency. The Brayton cycle offers a relatively reduced weight compared to other WHR systems and presents a low complexity for integration in vehicles since it relies on an open system architecture with air as the working fluid, which consequently avoids the need for a condenser compared to the Rankine cycle. …”
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151
Advances in Nitrogen-Rich Wastewater Treatment: A Comprehensive Review of Modern Technologies
Published 2024“…Moving biofilm bioreactors exhibit reduced mortality rates, enhanced sludge–liquid separation, increased treatment efficiency, and stronger biological structures. …”
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152
Strategic and flexible LNG production under uncertain future demand and natural gas prices
Published 2023“…In this study, the economic valuation of the flexible Air Product's AP-X liquefaction technology was investigated considering the modelling of price volatilities, using the mean-reverting jump-diffusion pricing model and Monte Carlo simulation, assuming different demand level scenarios in the high-income Asia Pacific markets based on historical trends. …”
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153
A Framework for Benchmarking Energy Retrofit Systems through Building Information Modeling (BIM)
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154
Sustainable urban development strategies to enhance outdoor thermal comfort and promote walkability in the United Arab Emirates
Published 2021“…As such, the fundamental goal of this research is to create a link between outdoor thermal comfort and walkability by examining how various sustainable design options for increasing outdoor thermal comfort may be codified to also increase walkability. …”
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155
Evidence-based safety education and training for traffic injury prevention
Published 2015“…Stronger GDL programs achieve greater fatality reduction. A systematic review on the effects of post-license driver education, provides no evidence of its effects on preventing road traffic crashes or injuries. …”
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156
Utilization of the internet for physical activity and diet information and its influence on pregnant women’s lifestyle habits in Qatar
Published 2023“…</p><h3>Conclusion</h3><p dir="ltr">Many pregnant women use the internet to access information about PA and diet, and greater use is associated with more positive lifestyle changes. …”
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Reliability of high strain ionomeric polymer transducers fabricated using the direct assembly process
Published 2007“…Water-hydrated transducers dehydrate and stop moving within 5 min while operating in air under the application of ± 2 V. Ionic liquid based transducers are demonstrated to operate in air for over 400 000 cycles with little loss in performance, and are reliable up to 1 million cycles with a performance loss of less than 43%. …”
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158
Internet Searches for Medical Symptoms Before Seeking Information on 12-Step Addiction Treatment Programs: A Web-Search Log Analysis
Published 2019“…Second, we examined symptom queries preceding queries on the 12-step program at time lags of 0-7 days, 7-14 days, and 14-30 days, where the probability of asking about a medical symptom was greater in the 30-day time window preceding 12-step program information-seeking as compared to all previous times that the symptom was queried.…”
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Comparison of the clinical outcomes of non-invasive ventilation by helmet vs facemask in patients with acute respiratory distress syndrome
Published 2021“…However, some of the limitations of the NIV face mask were air leak, face mask intolerance, and requirement of high positive end expiratory pressure, which could be resolved with the use of the helmet NIV. …”
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Climate Change Implications for Optimal Sizing of Residential Rooftop Solar Photovoltaic Systems in Qatar
Published 2023“…Techno-economic optimization in HOMER Pro (version 3.10) verifies a grid-connected rooftop PV system as optimal in all years, with capacity expanding from 7.4 kW to 8.2 kW between 2002 and 2100 to meet rising air conditioning loads. However, as temperatures increase, PV’s energy contribution declines slightly from 18% to 16% due to climate change degrading solar yields. …”