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Recent content by Fayaz

  1. Fayaz

    V V T System Outside Air

    I am having trouble satisfying outside air requiremetns with VVT (VAV-bypass)system. Here is an example Class room 500 sq. ft Students: 25 OA required = 25x15 = 375 HVAC Unit = 20-ton with 40% OA (8000 cfm total air, 3200 cfm OA) Summer Operation: Supply Air = 1000 (vav box fully open) OA...
  2. Fayaz

    Heat Pump

    Hello all, I am designing a hotel. Owner has insisted to use Heat pumps throughout the building. Hotel has many conference rooms, banquet-halls, and large kitchens. I don't have much ceiling space to use multiple small heat pumps. I never used large (20-ton) heat pumps. Have you applied heat...
  3. Fayaz

    Steam Generator Lead-Lag control

    I am looking for 4-steam generator's lead-lag control sequence write-up. Any help available? All steam generator will be connected to existing steam header and as the steam pressure drops, they should come online automatically and shut down automatically. One steam generator is stand by
  4. Fayaz

    refrigeration evaporator performance

    Buster, Do you have more details on the design? What is your CFM? Type of refrigerant? Low temp. fluid? What is the capacity of your de-humidifer? You need to control the grain level (mechanical humidification and dehumidification). I did work on a wind tunnel with 50 deg. C to -40 deg. C. If...
  5. Fayaz

    Air Condition

    Hello Friends, Not sure, if i post this question under HVAC forum or manufacturing forum. Well, here is what i am looking for. A complete study of manufacturing air cooled condenser or evaporator. How they Build small air conditions? What kin of machines for small to medium capacity...
  6. Fayaz

    Newspaper Storage

    Hello, I am assigned a task to design HVAC for a newspaper storage facility (Stacker Facility) Any Help? Any Comments? I am looking for Design temperature, Humidity and air distribution. Thank you, Fayaz
  7. Fayaz

    Gas Fired Generator

    I am looking for a 10-15KW, Gas-Fired Continuous Duty ( NOT STAND BY) Electric Generator. Any Help? Who makes 'em? Thank you Fayaz
  8. Fayaz

    Amonia Cycle

    I am working on a Win Tunnel Project and I need help. Please answer: 1) Do we have to use 304L SS piping for Amonia refrigeration syste? 2) Primary and Secondary (Brain) loops are at -40 def. F. Do we have to use SS pipe? 3) Chiller consists of Two compressor skids and one Chiller skid. Is...
  9. Fayaz

    Energy Recovery/ Heat Pump

    Hello, you people seems to have knowledge of biogas, I need help on producing biogas, pit design, on a very small scale. For a house about 3000 sq. ft. I want to be energy idependent from utilities companies. ANY HELP?
  10. Fayaz

    Amonia Refrigeration

    I am working on Wind Tunnel. The guidelines calll for Amonia Refrigeration, with SS-304 pipe. Temperature limits are 120 deg. F to -22 deg. F with Brine temperature of -40 deg. F Do I have to use Amonia Chiller ? Pipe material must be SS-304 for low temp? Any Alternates? Value Engineering...
  11. Fayaz

    Alternative Energy

    I am involved in a project, located in a developing country ( SE Asia). The project is to produce alternative energy to provide electricity and run air-conditioning system for a 2000 sq. ft. house. Total budget is $2000.00 to purchase equipemnt.I have thought of cow dung to produce methane but I...
  12. Fayaz

    Alternative Energy

    Yes, I have thought of cow dung, but I have no knowledge of design, performance and generation equipment. Any help will be appreciated
  13. Fayaz

    Alternative Energy

    I am involved in a project, located in a developing country. The project is to produce alternative energy to provide electricity and run air-conditioning system for a 2000 sq. ft. house. Total budget is $2000.00 to purchase equipemnt. Any HELP? IDEAS?
  14. Fayaz

    Pump and Coil Trim

    I am looking for a Software / Book, that can give me standard equipment trim (Chilled water coils, Heating Coils, Pumps, etc.) Any help? Please e-mail me
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