• Economic And Thermal Performance Of Thermostone In Qatar 

      Selmi, M.; Tag, Ismail A. ( Qatar University , 1996 , Article)
      This paper is concerned with the performance characteristics of thermostone as a building material, and their comparison with those of hollow concrete blocks. Carrier Advanced Load Program (E20-II) was used to estimate the ...
    • On the Design of Bit-Slice Processors 

      Bishai, S.; Metwally, M. S. ( Qatar University , 1988 , Article)
      In the past decade, fixed instruction microprocessors have evolved from 4 bits to 32 bits. Their compact design and relative low cost have made them very popular with design engineers. Their use extends into a lot of ...
    • Performance Evaluation of A Class of Adaptive Bifurcated Routing Algorithms 

      Ayad, N. M.; Mohammed, F.A.; Metwally, M.S. ( Qatar University , 1988 , Article)
      With the cost of computation decreasing, packet-switched computer communication networks are becoming increasingly cost effective. In this paper a class of bifurcated routing algorithms is considered. One of the algorithms ...
    • Performance Evaluation Of A Msf Desalination Plant In Qatar 

      Okelah, M.R.S.; Tag, I.A. ( Qatar University , 1992 , Article)
      In this paper, an assessment of the performance of one of the multistage flash (MSF) desalination units operating in conjunction with the gas-turbine cogenera-tion power plant in Qatar is carried out under different operating ...
    • Performance of Greenhouses in The Arabian Gulf 

      Hassab, M.A.; Tag, I.A. ( Qatar University , 1990 , Article)
      This work is devoted to the gaining of insight into the operation of environmentally controlled greenhouse in hot and humid climates. Field data inside and outside the greenhouse, namely: solar radiation, dry and wet bulb ...
    • Solidification Of Steel Billets In Continuous Casting 

      Kandeil, A.Y.; Tag, I.A.; Hassab, M.A. ( Qatar University , 1991 , Article)
      For practical operation, it is necessary to know how the solidification of liquid steel progresses i.e. when and where a strand has completely solidified. Decisions on, the casting speed, the spray water flow rates and ...
    • A Spreadsheet Teaching Tool For Analysis Of Pipe Networks 

      El-Bahrawy, Aly Nabih ( Qatar University , 1997 , Article)
      Spreadsheets are used widely in engineering to perform several analysis and design calculations. They are also very attractive as educational tools due to their flexibility and efficiency. This paper demonstrates the use ...
    • Study of A Time Dependent Double -Diffusive Salinity Problem 

      Tag, I.A.; Hassab, M.A. ( Qatar University , 1989 , Article)
      The time-dependent, double diffusive stability problem for a horizontal layer of salty water bounded by two rigid isothermal surfaces is analyzed using a linear perturbation technique. Initially, the layer is subjected to ...