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  1. vir07

    ENergy Savings from Insulation of Industrial storage tank with cone and dome roofs

    Thank you all. another question related to this project is : if tanks are filled 90% and 50% respectively. should i multiply surface area with .90 and .50 respectively ? i am taking operating temperature as 100+ 60 /2 = 85 F ( 100 being the fill temperature and 60 being air temp inside the tank)
  2. vir07

    ENergy Savings from Insulation of Industrial storage tank with cone and dome roofs

    There are two tanks 1) 140' diameter x 40' High , cone roof 2) 80' diameter x 45' high, dome roof tanks are filled 75% and the operating temperature inside should not exceed 225 F. insulated with 2inch thick polyisocyanurate foam with a foil vapor barrier on both sides. my question is how to...
  3. vir07

    do you see gas savings in installing back pressure turbine instead of PRV

    HI I am working on a project where PRV is currently taking 210 PSI steam and converting it to 10 PSI steam. This creates an energy loss The customer is proposing taking existing 70 PSI steam from the exhaust end of an electricity-generating steam turbine to convert to 10 PSI steam instead...
  4. vir07

    administration bldg plus locker room tied up in one system

    Hi per my design scope , i have to supply make up air to the office, conference room, secretary plus i have to tie up locker and toilet area. now exhaust for locker and toilet are is 850 cfm so i need that much make up air from vav system, which also serves the other administration area. total...
  5. vir07

    Boiler overfire draft

    Hi, anyone familier with the newyork city boiler stack calculation format? what is the overfire draft of the boiler? i have a furnace pressure of +5.5inches of w.c and max. allowable flue gas outlet pressure at the boiler is +0.5". also i have the number for boiler draft loss which is 5.5" @...

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