TFS · Hydraulic & Fluid Applications · Problem 25PDFSolution in PDF ↓
TFS · Hydraulic & Fluid Applications · Problem 25
Problem & Solution
Video Synthesis
Topic: Pipe flow / fluid mechanics — 600 GPM of water flows horizontally through an 8-inch standard weight steel pipe.
Approach: the way what's an RFis meter we should probably talk about that first just to be absolutely clear.
Key values: 4, pound mass, 160 pound force per square foot and of course that, 15 psi
Reference: Search the reference handbook for RFis meter and there's I think o
✅ Answer: D
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Student questions asked in live office hours about this problem
OH 103
Q: Can you clarify how to solve the RFS/orifice plate problem using the correct area definitions and explain what's wrong with the reference manual?
A: I made an error in my solution by using the contraction coefficient definition (Cc = A2/A0, where A2 is the vena contracta area and A0 is the orifice opening area) but then incorrectly plugged in A0/A1 instead. As written, the problem lacks sufficient information to solve it because you'd need the vena contracta area. There may also be a stray equal sign in the reference handbook, though I couldn't locate it in my review.