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  • Users: biddu
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  1. biddu

    Refrigeration line sizing with Multiple Evaporators

    Friends I am working on the design of refrigeration system for a cold store with multiple evaporators connected to a water cooled condensing unit. Could someone please advice me on pipe sizing procedure for a multiple evaporator system. I know the sizing procedure for a single evaporator...
  2. biddu

    1400 KW DX Plant for Offshore Platform

    Friends This for an offshore drilling rig application. Brief specifics are as follows 1. Application : Offshore Drilling Rig 2. Location: Tropical 3. System : AHU’s with DX coil serving mechanical areas and Living quarters (approx 15 AHU’s) 4. Ambient : 35 deg C, 80% RH 5. Total Cooling Load ...
  3. biddu

    Sol-Air Temperature

    Hi Friends Iam reviewing the heat load calculations submitted by one of our suppliers. In the calculations I have noted that they have calculated the heat gain for exposed walls/Roof as follows 1. Heat gain due to transmission (using temperature difference based on outside and inside...
  4. biddu

    DNV certificate required Chiller/Condenser

    Friends I need some advice on following matter We have to install 300 RT chillers for HVAC System for our Semi Rig Project. The maximum operating pressure on water side is 10 Bar The Maximum operating pressure on Refrigerant side is 25 Bar My question is. This product needs DNV...
  5. biddu

    Fouling factor and condenser water flow rate

    Dear Friends Is there any relation between Fouling factor and Condenser water flow rate.
  6. biddu

    Airflow Switch on Duct Heaters

    Friends Could someone please advise on this matter. Is it required per codes (DNV) to install Air flow switch on inline duct heaters? For one of our semi rig project we intend to install air flow switch for duct heaters that are more than 2 kw ratings only, which means that any terminal...
  7. biddu

    Pressure Switch/Differential Pressure Switch

    What is the difference between a Pressure Switch and a Diffrential Pressure Switch?
  8. biddu

    Moisture Eliminator/Exh. Louver Sizing-Offshore application

    Dear Friends Could someone please advice that what kind face velocities are generally considered for sizing Exhaust Louvers and Moisture Eliminators at air intakes Iam concerned about Noise and pressure drop. Is 6 m/s face velocity is good enough. Any information about any supplier specific...
  9. biddu

    Moisture Eliminator.Exhaust Louvers-Offshore Platforms

    Dear Friends Could someone please advice that what kind face velocities are generally considered for sizing Exhaust Louvers and Moisture Eliminators at air intakes Iam concerned about Noise and pressure drop. Is 6 m/s face velocity is good enough. Any information about any supplier specific...

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