Tata Water Purifier
Tata Chemical Limited recently launched an economic and eco-friendly water purifier. This unpowered water purifier is one of the first consumer …
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Use of Excel Spreadsheets to Calculate Forced Convection Heat Transfer Coefficients
Forced convection heat transfer coefficient correlations are in terms of Nusselt, Prandtl, and Reynolds numbers. Download Excel spreadsheets to help …
Continue ReadingAir Motors - How to Compute Work Done per Air Cycle
In this article we shall discuss how an air motor works and also the work done by an air motor.
Continue ReadingThe Basics of HVAC - HVAC for Beginners
HVAC stands for Heating, Ventilation and Air Conditioning. The objective of HVAC is to control the temperature of air along with control of moisture, …
Continue ReadingBright Hub Review of HVAC-for-beginners.com
In this article we review the popular website HVAC-for-beginners.com. HVAC is an acronym for Heating, Ventilation and Air Conditioning. This website …
Continue ReadingIntroduction to Welding
Welding is a process widely used in all industries for fabrication and repair. This article introduces welding technology and procedures. Welding has …
Continue ReadingPressure Drop Calculation for Shell and Tube and Double Pipe Heat Exchangers with Excel Formulas
Excel formulas for calculation of frictional pressure drop in shell and tube and double pipe heat exchanger design can be downloaded from this …
Continue ReadingHow to Improve Internal Combustion Engine Efficiency
Improving internal combustion engine efficiency is a prime concern today. Engineers have devised many methods like turbocharging, cam-less engines, …
Continue ReadingWhere Does US Energy Come From?
Where does the world’s energy come from, and how much of that is used in the US? Here we answer the first question and, using government figures …
Continue ReadingHeat Exchanger Calculations and Design with Excel Spreadsheet Templates
Excel spreadsheet templates for heat exchanger design can be downloaded in either S.I. units or U.S. units. The spreadsheets calculate heat transfer …
Continue ReadingCaring for Lithium Battery Packs for Powered Bicycles
Electric bicycles powered by lithium ion batteries are an exciting and fun new form of transportation. They are capable of high speeds and long range …
Continue ReadingAC and DC Electric Shock Effects Compared
What are the physical differences between shocks by AC and DC current? Both are dangerous and can be lethal in high amounts. Learn more here.
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