Now showing items 367-386 of 546

    • Performance assessment of an integrated absorption cooling-hydrogen liquefaction system using geothermal energy 

      Gadalla, Mohamed; Ratlamwala, Tahir Abdul Hussain; Dincer, Ibrahim; Kanoglu, Mehmet (2013)
      An integrated geothermal based triple effect absorption cooling and Linde-Hampson system for hydrogen gas liquefaction is proposed and analysed thermodynamically. The effect of various operating conditions and parameters ...
    • Performance assessment of an integrated PV/T and triple effect cooling system for hydrogen and cooling production 

      Ratlamwala, Tahir Abdul Hussain; Gadalla, Mohamed; Dincer, Ibrahim (2011-08)
      In this paper we study an integrated PV/T absorption system for cooling and hydrogen production based on U.A.E weather data. Effect of average solar radiation for different months, operating time of the electrolyzer, air ...
    • Performance characteristics of an ammonia-water absorption heat pump system 

      Gadalla, Mohamed; Talaat A., Ibrahim; Hassan, Mohammed A.M (2013-11)
      The influences of the performance parameters and the heat transfer characteristics of the absorption heat pump using ammonia-water mixture are theoretically carried out. There is a pronounced effect of the ammonia concentration ...
    • Performance Enhancement of Field Oriented Induction Motor Drive System 

      Khurram, Adil (2016-11)
      This research focuses on the performance enhancement of an indirect field oriented (IFO) induction motor drive system by designing an efficient controller for speed regulation and by maintaining optimal operation of a three ...
    • Performance Evaluation of a Thermal Energy Storage 

      Gadalla, Mohamed; Ahmed, Saad (2013-02)
      The direct contact heat transfer technique gives better heat transfer rates. In this paper, the operation of a simple system was simulated under different operating conditions. During the charging mode of the operation, ...
    • Performance of cementitious materials produced by incorporating surface treated multiwall carbon nanotubes and silica fume 

      Al-Tamimi, Adil; Hassan, Noha M.; Fattah, Kazi Parvez; Talachi, Amirhooman (Elsevier, 2016-07-01)
      The outstanding mechanical properties of carbon nanotubes (CNTs) highlight them as potential candidates for cementitious material reinforcement. However, their low surface friction and the Van der Waals forces of attraction ...
    • Performance of CI Engine Operating with Hydrogen Supplement Cocombustion with Jojoba Methyl Ester 

      Hamdan, Mohammad O.; Selim, Mohamed Y. E. (Elsevier, 2016-06-29)
      The present work experimentally investigates the performance of compression ignition (CI) engine which operates on hydrogen and Jojoba methyl ester (JME). The hydrogen is introduced by enriching air-intake manifold with ...
    • Performance of Forward Osmosis Using Various Membranes 

      Qasim, Muhammad (2013-01)
      As a result of water scarcity, increasing demand for freshwater, and energy intensive nature of the conventional desalination processes, advancing the science of desalination is crucial in the development of sustainable ...
    • Performance of Micelle-Clay Filters for Removing Pollutants and Bacteria from Tertiary Treated Wastewater 

      Khamis, Mustafa; Karaman, Rafik; Qurie, Mohannad; Nusseibeh, Sameh; Abbadi, Jehad; Manassra, Adnan; Nir, Shlomo (2012-02)
      Filters filled with a micelle-clay complex mixed with sand were employed to investigate their purification capability of tertiary treated wastewater with loose UF-membranes. The UF membrane was hollow fiber with a molecular ...
    • Performance of Olive Waste Ash Concrete Exposed to Thermal Cycling 

      Al-Akhras, Nabil; Attom, Mousa; Al-Akhras, Khaled (2010-05)
      This paper explores the influence of olive waste ash (OWA) on the performance of concrete to thermal cycling. The performance of concrete to thermal cycling was evaluated by measuring the compressive strength, electrical ...
    • Performance of Structures Exposed to Extreme High Temperature - An Overview 

      Yehia, Sherif; Kashwani, Ghanim (2013-09)
      Strength, durability and stability are the main criteria for material selection and design in the construction industry. Consequently, development and enhancement of construction materials is always an active and attractive ...
    • Personnel contributions to UN and non-UN peacekeeping missions A public goods approach 

      Gaibulloev, Khusrav; George, Justin; Sandler, Todd; Shimizu, Hirofumi (2015)
      Based on spatial panel regressions for 1990-2012, this article draws publicness differences between peacekeeping personnel contributions to UN and non-UN peacekeeping operations. The analysis shows that UN missions are ...
    • Pharmaceutical wastewater treatment using graphene oxide derivatives 

      Zaka, Awais (2019-12)
      The rising problem of pharmaceutical contamination in different water bodies calls for a swift action in the treatment and removal of these emerging pollutants from water using advanced methods. Adsorption is employed as ...
    • Phosphorus and Algae Removal via Adsorption 

      Ghadban, Ahmad A. (2012-01)
      Algal bloom, commonly known as Red Tide in coastal areas, has become one of the major problems facing desalination plants due to the high biomass concentration of microalgae associated with it. It causes operational problems ...
    • Phosphorus Recovery from the Wastewater Stream - Necessity and Possibilities 

      Krüger, Oliver; Fattah, Kazi Parvez; Adam, Christian (Taylor & Francis, 2016)
      The annual demand of phosphorus (P) for fertilizer use is more than 550,000 t in Germany. Several of the input streams like mineral fertilizer produced from phosphate rock or sewage sludge are problematic due to contamination ...
    • Photocatalytic UV degradation of 2,3,7,8-tetrachlorodibenzofuran in the presence of silver zeolite 

      Samara, Fatin; Al Shamsi, Maitha; Kanaan, Faisal; Kanan, Sofian (Springer, 2017-02-24)
      Silver clusters were introduced into the framework of zeolite Y. Low-temperature solid-state luminescence indicates the formation of silver–silver excimers and exciplexes that were found to be activated at 250 and 300 nm, ...
    • Photovoltaic Nano-Crystal Energy Generation 

      Tounsy, Adham; Al-Khaldi, Mohammed; Peera, Meloni (2014-01-19)
      Since larger, more ecofriendly energy accumulation is needed to sustain the world’s current energy outflow, the objective of this report is to examine the efficiency and ecological healthiness of photovoltaic nanotechnology ...
    • Phytoextraction of Cr(VI) from soil using Portulaca oleracea 

      Alyazouri, Ayman; Jewsbury, Roger; Tayim, Hassan; Humphreys, Paul; Al-Sayah, Mohammad (Taylor & Francis, 2014-01)
      Cr(VI) represents an environmental challenge in both soil and water as it is soluble and bioavailable over a wide range of pH. In previous investigations, Portulaca oleracea (a plant local to the United Arab Emirates (UAE)) ...
    • Piezoelectric Systems for Sheikh Zayed Road 

      Majbour, Maher; Hag Ali, Ibrahim; Sulthana, Reshma; Erar, Yaser (2014-07-22)
      UAE was ranked as 37 worldwide according to the amount of electricity consumption with an annual consumption of 70.58 billion KWh .The total cost of producing that amount of electricity has been estimated to be 11.33 billion ...
    • PIRATA: A Sustained Observing System for Tropical Atlantic Climate Research and Forecasting 

      Bourlès, Bernard; Araujo, Moacyr; McPhaden, Michael J.; Brandt, Peter; Foltz, Gregory R.; Lumpkin, Rick; Giordani, Hervé; Hernandez, Fabrice; Lefèvre, Nathalie; Nobre, Paulo; Campos, Edmo; Saravanan, Ramalingam; Trotte‐Duhà, Janice; Dengler, Marcus; Hahn, Johannes; Hummels, Rebecca; Lübbecke, Joke F.; Rouault, Mathieu; Cotrim, Leticia; Sutton, Adrienne; Jochum, Markus; Perez, Renellys C. (American Geophysical Union (AGU), 2019)
      Prediction and Research Moored Array in the Tropical Atlantic (PIRATA) is a multinational program initiated in 1997 in the tropical Atlantic to improve our understanding and ability to predict ocean‐atmosphere variability. ...