Design of a trolley : A thought!
Be in whatever field you are, you come across trolleys in one form or other. Trolleys, some time stuck, sometimes with broken wheels, sometime hard to…
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Sumit Waghmare
https://sumitwaghmare.com/about-me/
Energy Required to Heat Air
Recently I came across this requirement of calculating heat required to heat air (for AHU), I came across two simplified formulas, as follows. Please also note…
Read articleNon Destructive Testing of Welding
So, we have covered Destructive testing in my last post, now something on Non-destructive testing. There are Numerous Non-Destructive tests used to evaluate the base metal…
Read articleTesting of Weldments!
I’ve covered, welding and weld defect in past posts, what I missed completely is the testing of Weldments. One of the purpose of effective quality control…
Read articleEffect of Mill undertollerance on Shell thickness calculation
During design of pressure vessel, I came across this issue number of time. Unfortunately, ASME VIII Div.1 doesn’t give a clear picture, whether to add the…
Read articleHeat exchanger : Good Ref. Site
To have more ‘Visual’ Clarity, visit following site! http://www.hcheattransfer.com/shell_and_tube.html Take Care!
Read articleTube Holes in Tubesheet : Point to ne noted while designing heat exchanger
Tube hole finish affects the mechanical strength and leak tightness of an expanded tube-to-tubesheet joint. In general: (1) A rough tube hole provides more mechanical strength…
Read articleDesign of heat exchanger step :5 : Parameter Calculations
In the process of evaluation of U, we need to calculate various parameters. Below paragraph mentions few of them. 1. Reynolds number (Re) Reynolds number, which…
Read articleDifferences Between The Eighth And Ninth Edition Of The TEMA
Ok, TEMA Ninth edition is here. Other Than complete change in Page Indexing (Page number), Following are note worthy changes from eigth edition : Followings are…
Read articleDesign of heat exchanger step :4 : Thermal Design
Next step, do a detailing. To Calculate LMTD, we need to understand the flow and type of process (Isothermal or not) Generally we have complication, when…
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