I'm desparate to get hold of the ASHRAE Duct Fitting Database. I live in South Africa, and do not have enough time to wait for the shipping and postal service. Is there anywhere on the internet where I can purchase / download / view this document in .PDF or similar? It is only available on CD...
I am new to HVAC design and need help on the following issue:
I have specified a number of house hold Split Units for an office complex. The split units are relatively small, most of them providing 3.2 kW of cooling. I need to run the piping for 25 - 30m, as the only available space for the...
I need to estimate an efficiency of a centrifugal pump, but do not have any specifications. This is what I know:
Single stage centrifugal pump
Static head: 100m
Motor power: 200 kW
Water quality: Poor. Water is pumped from the bottom of a gold mine. It is not slurry, but it does...
I need to calculate the energy use of a large centrifugal compressor installation at a gold mine. I do not have any curves, nor can I make any measurements.
I have the following specs:
Inlet pressure: 85 kPa
Outlet pressure: 550 kPa
# of stages: 4
mass flow: 25 kg/s
Inlet temp: 18 C...