Recent content by bloudup008

What is the most economical(operation cost) type of heating system for a green house application, ±180 kW?

Is it advicable to install a pump control valve on the discharge of a diesel driven fire pump to control surge(Claval type, slow opening / closing valve) to prevent damage to the sprinklers? Is it further recommended to install PRV on the branch lnes to the sprinklers? Is above measures in...

i am busy with fire pump design (320 l/s @100mWh) few questions; -is a R=1.5D miter (5 segments) miter bend acceptable on the suction line (NB 500)? what is the recomended raduis on miter bends? - what type of NRV is recomended on the pump discharge, double door springloaded type aceptable...

I am busy with fire pump design what velocities do you recomend for: -suction pipe (1.5m/s) -suction manifold(1.5m/s) -discharge piping (2m/s) -discharge manifold(2m/s)?

thks everyone can I consider PRV effective for the control of static pressure?

are anyone aware of formula/algorithym/spreadsheet that can calculate the SHF for a certain lattitude for a certain time of the year?

can someone please explain how does a pressure control/regulating valve regulate the static pressure downstream (at no flow condition)

what is the limit regarding on the height a AC unit can be installed (Maintenance access by ladder) is 5 m acceptable? what would you consider acceptable?

what is the limit regarding on the height a AC unit can be installed (Maintenance access by ladder) is 5 m acceptable?

where can I download Solar radiation tables(Solar heat gain factors) for Southern Hemisphere altitudes?