I posted in here because I wasn't sure if anyone would see it in the engineering economics forum. I'm having trouble with the Savings to Investment Ratio (SIR) for a government project.
From NIST Handbook 135, Sec. 6.2.2 Link
SIR (Alt1 to Baseline) = Delta Energy / (Delta Investment + Delta...
I’m sizing a pump for a heat pump cooling water loop and have a question about propylene glycol correction factors.
I determined the required flow rate for the heat load based on properties of 40% PG (Spht and SG).
I determined the required pump head based properties of 40% PG (Friction...
First post on the board, though I've used it for technical info many times.
I'm working on a blog post for must have technical references for new/young engineers. I'd love to get some feedback; specifically other disciplines. For me:
Discipline: Mechanical/Piping
Reference: Crane Flow of...
