Posted by denglish on September 13, 2018 at 08:17:48 from (156.26.121.128):
In Reply to: hurican question posted by Al Baker(pumpman) on September 13, 2018 at 06:10:19:
A hurricane is in fact a type of heat engine. It transfers heat between a warm body (ocean) and a cooler body (atmosphere). Part of the heat is used to do work, e.g. move air. It operates on the same thermodynamic principles as an internal or external combustion engine. The amount of work it can skim off from the heat transfer is a function of the ratio of the the temperatures between the hot and cold bodies. The smaller that ratio (cold temp divided by hot temp), the more work it can do. Also it is impossible for all of the heat that is transferred to be converted to work, a form of the second law of thermodynamics. By the way, this was all figured out in the 19th century by French scientist Sadie Carnot.
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Today's Featured Article - Hydraulic Basics - Part 2 - by Curtis Von Fange. In the last entry to this series we gave a brief overview of hydraulic system theory, its basic components and how it works. Now lets take a look at some general maintenance tips that will keep our system operating to its fullest potential. The two biggest enemies to a hydraulic system are dirt and water. Dirt can score the insides of cylinders, spool valves and pumps. Wate
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