Is anyone aware of a prohibition on the minimum spacing between two adjacent butt-welds in B31.1 Boiler External Piping? Do any of the ASME Codes restrict this spacing?
My tradesmen tell me that 1-1/2 diameters is a rule of thumb, but that seems pretty excessive.
I once (10 yr ago) used the Richardson manuals for cost estimating process piping installation costs. I did a google search today and can't find any hits for Richardson Engineering Services.
Anyone know what happened to them? Is there an alternative manual (other than Means) that people would...
I have searched the entire eng-tips site, and can't find any posts on this.
I am reviewing a diesel fuel additive pitch (very skeptically) for a product that supposedly can reduce NOx and PM as well as increase efficiency. It dices, it slices, it makes Julian fries.
The dosage rate is very...
Can Bernoulli's Law be used to calculate changes in saturated steam pressure with elevation changes? Unlike other compressible gases, as the saturated steam pressure and temperature fall, portions of the steam change to liquid water. Not sure how to assess this.
