Economiser, some FAQs
Guide for better economiser design Is it essential to pre heat feed water? How one preheats they boiler feed water? We have two options, Via economiser,…
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Heat Exchanger
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Read articleEnergy 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 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…
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