download duct [4 articles found] (supplemental result)
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Psychrometric Chart and Duct Calculator.
A convenient, precise and powerful tool for HVAC&R engineers. This psychrometric chart is perfectly consistent with all ASHRAE charts of No.1~7(SI Units) and No.1~5(IP Units). Features include: High precision calculation; Metric(SI) and English(IP) units support; Convenient chart operating; Powerful process calculating; Include thermal and adiabatic effect calculation for air/liquid duct.
Economics - Other Marketing Progs, On August 29, 2008 updated, downloaded 35 times, file size is 5637Kb.
HVAC building design and drafting.
Design Master HVAC is an integrated HVAC building design and drafting program that runs on top of AutoCAD. Drafting features include single-line and double-line 2D ductwork with automatic fittings and 3D ductwork. Duct sizing calculations include constant pressure drop, constant velocity, and static regain. Pressure drop in the duct system can also be calculated. Building load calculations are done using the ASHRAE CLTD method.
Graphics & Design - CAD & Vector Graphics, On February 12, 2008 updated, downloaded 55 times, file size is 6380Kb.
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Economics - Office Docs & Spreadsheets, On July 1, 2007 updated, downloaded 18 times, file size is 1655Kb.
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Graphics & Design - CAD & Vector Graphics, On October 28, 2009 updated, downloaded 40 times, file size is 159440Kb.