Browsing Research Units by Title

Now showing items 33-52 of 4559

    • A comprehensive rheological study for a flowing polymer-based drilling fluid used for wellbore strengthening 

      Magzoub M.I.; Salehi S.; Hussein I.A.; Nasser M.S. ( Society of Petroleum Engineers (SPE) , 2020 , Conference Paper)
      Loss circulation encountered in highly fractured formations, depleted reservoir, or HP/HT intervals is the root cause of many problems plaguing the oil and gas sector for many years. High pore pressure narrows the window ...

    • A concise review on Solar still with parabolic trough collector 

      Panchal, H.; Sadasivuni, Kishor Kumar; Suresh, M.; Israr, M.; Sengottain, S. ( Taylor and Francis Ltd. , 2021 , Article Review)
      The enhancement of yield of solar still (SS) is viewed as very significant due to the production of the potable water. It is also considered as uncomplicated device for desalination. There is also no need for professional ...

    • A Design-led FEWW Nexus Approach For Qatar University 

      Karanisa, Theodora; Ouammi, Ahmed; Hamdi, Helmi; Saadaoui, Imen; Fetais, Noora; ... more authors ( Qatar University Press , 2021 , Poster)
      Demographic explosion, climate change, urbanization, change of life quality, and food demand have put extra pressure on Food, Energy, Water, and Waste (FEWW) resources.A special focus has been placed on university campuses ...

    • A Domain Specific Language for Secure Outsourcing of Computation to the Cloud 

      Nassar, Mohamed; Erradi, Abdelkarim; Malluhi, Qutaibah M. ( Institute of Electrical and Electronics Engineers Inc. , 2015 , Conference Paper)
      Secure outsourcing of computation has gained importance with the proliferation of cloud services. However, existing outsourcing protocol specification languages are mainly suitable for secure multi-party computation. They ...

    • A Fast Responsive Ultraviolet Sensor from mSILAR-Processed Sn-ZnO 

      Thomas, Deepu; Vijayalakshmi, K. A.; Sadasivuni, Kishor Kumar; Thomas, Ajith; Ponnamma, Deepalekshmi; ... more authors ( Springer New York LLC , 2017 , Article)
      Microwave-assisted successive ionic layer adsorption and reaction was employed to synthesize Sn-ZnO (tin-doped zinc oxide), and its sensitivity to ultraviolet radiation is compared with zinc oxide (ZnO). The sensing films ...

    • A feasibility study of utilizing hydrothermal liquefaction derived aqueous phase as nutrients for semi-continuous cultivation of Tetraselmis sp. 

      Das, Probir; AbdulQuadir, Mohammad; Thaher, Mahmoud; Khan, Shoyeb; Chaudhary, Afeefa Kiran; ... more authors ( Elsevier Ltd , 2020 , Article)
      The feasibility of substituting 50% nutrients by aqueous phase liquid (APL), derived from hydrothermal liquefaction of Tetraselmis sp. biomass, in a semi-continuous cultivation of Tetraselmis sp. was studied. Growth ...

    • A focused review on smart carriers tailored for corrosion protection: Developments, applications, and challenges 

      Habib, Sehrish; Shakoor, R.A.; Kahraman, Ramazan ( Elsevier B.V. , 2021 , Article Review)
      Steel-made infrastructures have been expanding at an incredible rate worldwide and are critical for the expansion and operation of countless industries. Steel is susceptible to corrosion failures, particularly in aggressive ...

    • A Geopolitical Economy of the World Cup: Lessons from Qatar's Hosting of FIFA's Showcase Tournament 

      Chadwik, Simon ( Gulf Studies center - College of Arts & Sciences - Qatar University , 2022 , Conference Paper)
      Qatar's hosting of the 2022 FIFA World Cup is the embodiment of a new way in which sport in the 21st century is being conceived. This challenges prior utilitarian and neoclassical notions of sport, which are evident both ...

    • A Global Declaration on Appropriate Use of Antimicrobial Agents across the Surgical Pathway 

      Sartelli, Massimo; Kluger, Yoram; Ansaloni, Luca; Carlet, Jean; Brink, Adrian; ... more authors ( Mary Ann Liebert Inc. , 2017 , Article)
      This declaration, signed by an interdisciplinary task force of 234 experts from 83 different countries with different backgrounds, highlights the threat posed by antimicrobial resistance and the need for appropriate use ...

    • A graphene-based glycan biosensor for electrochemical label-free detection of a tumor-associated antibody 

      Kveton F.; Blsakova A.; Lorencova L.; Jerigova M.; Velic D.; ... more authors ( MDPI AG , 2019 , Article)
      The study describes development of a glycan biosensor for detection of a tumor-associated antibody. The glycan biosensor is built on an electrochemically activated/oxidized graphene screen-printed electrode (GSPE). Oxygen ...

    • A hybrid approach for identifying factors affecting driver reaction time using naturalistic driving data 

      Arbabzadeh N.; Jafari M.; Jalayer M.; Jiang S.; Kharbeche M. ( Elsevier Ltd , 2019 , Article)
      The National Transportation Safety Board (NTSB) estimates that 80% of the deaths and injuries resulting from rear-end collisions could be prevented by the use of advanced collision avoidance systems. While autonomous or ...

    • A hybrid electro-coagulation/forward osmosis system for treatment of produced water 

      Al Hawli B.; Benamor A.; Hawari A.A. ( Elsevier B.V. , 2019 , Article)
      Oil and gas exploration produce large volumes highly contaminated produced water (PW) which exhibits a major environmental challenge. This work investigates the application of a novel hybrid system by combining electro-coagulation ...

    • A hybrid nf-fo-ro process for the supply of irrigation water from treated wastewater: Simulation study 

      Hafiz, MhdAmmar; Alfahel, Radwan; Hawari, Alaa H.; Hassan, Mohammad K.; Altaee, Ali ( MDPI AG , 2021 , Article)
      Municipal treated wastewater could be considered as a water source for food crop irrigation purposes. Enhancing the quality of treated wastewater to meet irrigation standards has become a necessary practice. Nanofiltration ...

    • A Hybrid Photo-Electro Catalytic Conversion of Carbon dioxide Using CuO-MgO Nanocomposite 

      Shabil Sha. Mizaj; Maurya, Muni Raj; Shafath, Sadiya; Hijazi, Dima; Alahmed, Johaina; ... more authors ( Springer , 2022 , Article)
      Reducing carbon dioxide (CO2) into fuels accompanied by renewable resources has been under research since it helps to decrease CO2 levels in the atmosphere. The most suited source is solar energy which is generous and ...

    • A mathematical model for carbon fixation and nutrient removal by an algal photobioreactor 

      Al Ketife, Ahmed M.D.; Judd, Simon; Znada, Hussein ( Elsevier Ltd , 2016 , Article)
      A comprehensive mathematical modeling method for Chlorella vulgaris (Cv) has been developed to assess the influence of nutrient concentration (total nitrogen TN= 28-207 and total phosphorus TP= 6-8mgL 1) and irradiation ...

    • A mechanistic gas kick model to simulate gas in a riser with water and synthetic-based drilling fluid 

      Manikonda, Kaushik; Hasan, Abu Rashid; Barooah, Abinash; Rahmani, Nazmul H.; El-Naas, Muftah; ... more authors ( Society of Petroleum Engineers , 2020 , Conference Paper)
      This paper presents a simple mechanistic model to describe a gas kick in a drilling riser with water- based mud (WBM) and synthetic-based mud (SBM). This model can estimate key kick parameters such as the change in the ...

    • A Mechanistic Model for Wellbore Cleanout in Horizontal and Inclined Wells 

      Elgaddafi, Rida; Ahmed, Ramadan; Karami, Hamidreza; Nasser, Mustafa; Hussein, Ibnelwaleed ( Society of Petroleum Engineers (SPE) , 2021 , Conference Paper)
      The accumulation of rock cuttings, proppant, and other solid debris in the wellbore caused by inadequate cleanout remarkably impedes field operations. The cuttings removal process becomes a more challenging task as the ...

    • A method for broken bar fault diagnosis in three phase induction motor drive system using Artificial Neural Networks 

      Senthil, Kumar R.; Gerald, Christopher Raj I.; Suresh, K.P.; Leninpugalhanthi, P.; Suresh, M.; ... more authors ( Taylor and Francis Ltd. , 2021 , Article)
      This paper presents a high accuracy detection of Broken Rotor Bar (BRB) fault by Artificial Neural Network (ANN) through advanced signal processing tool as Hilbert Transform (HT) where three phase Induction Motor Drives ...

    • A mixed iron–manganese based pyrophosphate cathode, Na2Fe0.5Mn0.5P2O7, for rechargeable sodium ion batteries 

      Shakoor, Rana A.; Park, Chan Sun; Raja, Arsalan A.; Shin, Jaeho; Kahraman, Ramazan ( Royal Society of Chemistry , 2016 , Article)
      The development of secondary batteries based on abundant and cheap elements is vital. Among various alternatives to conventional lithium-ion batteries, sodium-ion batteries (SIBs) are promising due to the abundant resources ...

    • A model driven framework for secure outsourcing of computation to the cloud 

      Nassar, Mohamed; Erradi, Abdelkarim; Sabry, Farida; Malluhi, Qutaibah M. ( IEEE Computer Society , 2014 , Conference Paper)
      This paper presents a model driven approach to define then coordinate the execution of protocols for secure outsourcing of computation of large datasets in cloud computing environments. First we present our Outsourcing ...