Hello,
Why is Trane using 150% of FLA for the electrical requirement of a convenience outlet on a rooftop unit in page 36 of this document?
http://www.trane.com/Commercial/Uploads/Pdf/1025/iom.pdf
Isn't this supposed to be the contribution of the outlet to the total MCA (minimum circuit amps)...
What is the usual formula for the "psychrometric ratio"?
I find two versions in on-line documents:
http://www.geocities.com/drying_guru/chapter1fundamentals.pdf
r = h / (M_air k_y)
http://www.probec.org/fileuploads/fl120336971099294500CHAP12_Dryers.pdf
page 12-3: r = h_c /( k c_s)
The...
Hello,
This web page
http://www.cbe.berkeley.edu/underfloorair/designguidelines.htm
says:
Then what does? It seems that they try to explain:
If there is a maximum acceptable ceiling-temperature value and a minimum acceptable supply air temperature, then a given total cooling load...
Hello,
The following formula for an elbow-tap flow meter
W = 244 [SQ.ROOT SIGN] r * delta_p * d^3 * rho
is given here:
http://www.seilenterprise.co.kr/Korean/Technology/flowmetertypes.htm#Elbow
A few questions:
1. Is this formula accepted as accurate?
2. How is it to be parsed? I don't...
