السجلات المعروضة 201 -- 204 من 204

    • Experimental Investigation of Innovative Thermal Mechanical Refrigeration System 

      Sleiti, Ahmad K.; Al-Ammari, Wahib A.; Al-Khawaja, Mohammed ( Qatar University Press , 2021 , Poster)
      The current electrical refrigeration and air condition systems are considered as one of the major sources for ozone depletion and global warming problems. Furthermore, they consume a large percentage of the worldwide gross ...
    • Digital Twin for Power Plants, Energy Savings and other Complex Engineering Systems 

      Sleiti, Ahmad K.; Kapat, Jayanta S.; Vesely, Ladislav; Al-Khawaja, Mohammed ( Qatar University Press , 2021 , Poster)
      Digital Twin (DT) is a digital representation of a machine, service, or production system that consists of models, information, and data used to characterize properties, conditions, and behavior of the system. Renewable ...
    • The Separation of Emulsified Water/Oil Mixtures through Adsorption on Plasma-Treated Polyethylene Powder 

      Abdulkareem, Asma; Popelka, Anton; Sobolciak, patrik; Krupa, Igor ( Qatar University Press , 2021 , Poster)
      This work addresses the preparation and characterization of efficient adsorbents for tertiary treatment (oil content below 100 ppm) of oil/water emulsions. Powdered low-density polyethylene (LDPE) was modified by radio-frequency ...
    • Spectrophotometric Determination of the Honey Bee Quality 

      Alsafran, Mohammed H.; Akkbik, Mohammed; Ahmadi, Ahmad A.; Ahmad, Mohammad I. ( Qatar University Press , 2021 , Poster)
      Honey produced by bees from nectar in flowers and plants, is an aqueous supersaturated sugar solution, mainly monosaccharide (fructose and glucose) (70%–80%) and water (10%–20%). 5-Hydroxymethylfurfural (5-HMF) content in ...