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Showing 121 - 140 results of 498 for search '(( temporary decrease ) OR ((( temporary increase ) OR ( temperature increase ))))', query time: 0.09s Refine Results
  1. 121

    Performance investigation of solar photovoltaic panels using mist nozzles cooling system by Syed Ali Raza Naqvi (12428586)

    Published 2024
    “…<p dir="ltr">Solar PV has a disadvantage over its many advantages that its electrical efficiency falls due to rise in surface/operating temperature of solar PV cells. Therefore, it is necessary to find a way to mitigate the efficiency loss due to rise in temperature as well as to increase life span of solar photovoltaics by lowering its cell temperature. …”
  2. 122

    Energy utilization assessment of a semi-closed greenhouse using data-driven model predictive control by Farhat Mahmood (15468854)

    Published 2021
    “…<p dir="ltr">With the global increase in food demand, closed and controlled greenhouses are an essential source for year-round crop production. …”
  3. 123
  4. 124

    Production and investigation of flexible nanofibers of sPEEK/PVP loaded with RuO2 nanoparticles by Mariem Chamakh (14150481)

    Published 2021
    “…Impedance spectroscopy tests were conducted to study the electrical properties of the samples as a function of ruthenium oxide concentration and temperature. The results illustrated the increase in resistivity as well as the activation energy with the increase of nanoparticle concentration due to the reduction in the free SO<sub>3</sub>H groups because of the strong ionic crosslinking. …”
  5. 125
  6. 126

    Off-design performance analysis of combined CSP power and direct oxy-combustion supercritical carbon dioxide cycles by Ahmad K., Sleiti

    Published 2021
    “…Critical technical problems still exist in the TES systems including the high-temperature corrosion, expensive materials, temperature swing, and large size. …”
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  7. 127

    Modeling and simulation of PV arrays under varying conditions by Ghajar, R.

    Published 2017
    “…Most universities around the globe offer, nowadays, renewable energy courses within the electrical and mechanical engineering curricula to support the increasing demand for renewable energy engineers. This paper presents a teaching approach for modeling and simulating PV cells and systems taking into consideration the effects of temperature, irradiance, series and parallel connections of modules and shading. …”
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  8. 128

    Adsorption studies on the removal of coloring agent phenol red from wastewater using waste materials as adsorbents by K. Gupta, Vinod

    Published 2009
    “…Different thermodynamic parameters such as free energy, enthalpy, and entropy have been calculated and it was concluded that with the increase in temperature adsorption increases, indicating the endothermic nature of the process for both adsorbent materials. …”
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  9. 129

    The effect of building height diversity on outdoor microclimate conditions in hot climate. A case study of Dubai-UAE by Shareef, Sundus

    Published 2020
    “…Previous studies focused on traditional methods of increasing the shading effect, e.g. buildings' height/canyon width (H/W) ratio. …”
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  10. 130

    Reusing Minarets as a Passive Cooling (Wind Catcher/Solar Chimney): A Case Study in the Emirate of Sharjah by ABDALLA, TALIB ABDALLA ALI

    Published 2023
    “…The study revealed the possibility, benefit, and feasibility of the idea of repurposing the minaret in reducing overall energy consumption and the impact of thermal comfort elements such as air temperature, relative humidity, wind movement, mean radiant temperature and CFD in the process of repurposing the minaret.…”
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  11. 131

    Comparative Analysis of Thermal Conditions and Comfort Between Modern and Traditional Districts in Hot-Arid Climate: Case Study in Ajman-UAE by Salameh, Muna

    Published 2023
    “…Moreover, this study made an evaluation and comparison of the outdoor air temperature and thermal comfort between the traditional and modern urban districts to highlight the passive design solutions that increase the thermal effectiveness in the traditional urban fabrics, as some of these passive design solutions can be used to modify the thermal conditions in the modern ones. …”
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  12. 132

    The impact of switching from fluorescent lights to full-spectrum fluorescent and LED lighting in schools: An experiment in Victoria Int’l School in Sharjah by SEJARI, NOURHAN JAMAL

    Published 2022
    “…The issue of color rendering and temperature is becoming increasingly important as high efficiency lamps and government regulations are enforced. …”
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  13. 133
  14. 134

    Water quality problems associated with intermittent water supply by Tokajian, Sima

    Published 2003
    “…The mean bacterial count increased significantly after 7 d storage in both tank types. …”
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  15. 135

    An insight into thermal properties of BC<sub>3</sub>-graphene hetero-nanosheets: a molecular dynamics study by Maryam Zarghami Dehaghani (17542248)

    Published 2021
    “…Regarding parameters affecting Kapitza resistance, increased temperature and strain caused the rise and drop in Kaptiza thermal resistance, respectively. …”
  16. 136

    Excess pCO2 and carbonate system geochemistry in surface seawater of the exclusive economic zone of Qatar (Arabian Gulf) by Connor, Izumi

    Published 2022
    “…Temperature also increases. The pCO2 in surface seawater averaged 458 ± 62 which was higher than the atmospheric value of 412 ppm. …”
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  17. 137

    Measured enthalpies of adsorption of boron-doped activated carbons by Beckner, M.

    Published 2012
    “…Initial room temperature experiments show a 20% increase in the hydrogen excess adsorption per surface area compared to the undoped material. …”
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  18. 138

    Machine Learning Based Photovoltaics (PV) Power Prediction Using Different Environmental Parameters of Qatar by Amith Khandakar (14151981)

    Published 2019
    “…These countries plan to increase the contribution of power from renewable energy (RE) over the years. …”
  19. 139

    Application of chromium oxide-based redox reactions for hydrogen production via solar thermochemical splitting of water by Rahul R. Bhosale (6467102)

    Published 2020
    “…The thermodynamic properties required for the computations were obtained from an HSC Chemistry 9.9 software. An increase in thermal reduction (TR) temperature (T<sub>H</sub>) from 1800 K to 2230 K was responsible for the rise in the percentage TR of Cr<sub>2</sub>O<sub>3</sub> (Tr-Cr) from 0% to 100%. …”
  20. 140

    Differential water quality in confined and free-flowing water bodies, Lebanon by Korfali, Samira Ibrahim

    Published 2003
    “…Measured water parameters were temperature, pH, conductivity, BOD, HCO3-, Ca2+, Mg2+, Cl-, SO42-, PO43-, NO3-, NH3, Fe, Mn, Zn, Pb, and Cd. …”
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