Testing 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…
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Technical
technical discussion, facts, insights
Effect 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…
Read articleTEMA Learning -Heat Exchanger nomenclature & Designation:
Heat Exchanger nomenclature & Designation:The name is splited in three portions e.g 23-192-BEM 1st Position : 23 : Defines, ID of Vessel2nd Position : 192 :…
Read articleDesign of heat exchanger step :3 : Estimate
The 3rd Step in Heat exchanger design a preliminary estimate of the size of the exchanger is made,using a heat-transfer coefficient appropriate to the fluids, the process,and…
Read articleThermosiphon Reboiler Design
During Resent days, I was trying to design thermosiphon reboiler! After long days of calculation, rewriting calculations on pages! on excel! finally I come to some…
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