By Rex Miller, Mark Richard Miller, Edwin P. Anderson
Know the way to place a sit back within the air
Here ultimately is a reference handbook dedicated solely to refrigeration, either domestic and advertisement. starting with the fundamental physics and math, it presents a whole path in protecting, troubleshooting, and repairing either new and classic refrigeration structures for domestic and lightweight undefined. You'll locate the solutions you would like, even if you're a scholar, apprentice, cost-conscious house owner, or expert technician.
* understand how types of refrigerants are used and the way to address them safely
* practice regimen upkeep on a variety of different types of compressors
* attempt for leakage and get to the bottom of universal difficulties comparable to freeze-ups
* fix and substitute fridge cupboard parts
* Troubleshoot universal issues of domestic freezers
* comprehend the operating elements of either electrically pushed and absorption-type refrigeration units
* learn how to troubleshoot and keep the wide range of automobiles utilized in cooling devices
* provider and service computerized icemakers, water coolers, and demonstrate circumstances
Read Online or Download Audel Refrigeration: Home and Commercial (5th Edition) PDF
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Additional resources for Audel Refrigeration: Home and Commercial (5th Edition)
This heat (assimilated or extracted, as the case may be) is not measurable with the thermometer because the heat units are absorbed or expended in intermolecular work. Latent heat of fusion separates the molecules from their attractive forces so that a change of state is effected. P1: FCH GB090-01 GB090-Miller August 27, 2004 16:36 Char Count= 0 30 Chapter 1 Latent Heat of Evaporation Now let us refer again to the experiment we have under way. We have converted the solid to a liquid, both at 32◦ F, by adding 144 Btu.
7)—Freon-22 is no longer allowed to be used in domestic freezers. 8)—Freon-502 is used in large air conditioning systems. 4)—Freon-21 is used in industrial and commercial air conditioning. r R-134a—R-134a is a new refrigerant used in automobile air conditioners. From this list, it is observed that ammonia is an excellent refrigerant in that it absorbs a great quantity of heat as compared to other agents. However, it is toxic and classified as a hazardous material, so its use is confined mostly to domestic absorption-type refrigeration and large industrial manufacturers of ice.
Units of Power The most commonly used units of power are the foot-pounds per unit time and horsepower. The horsepower is the rate of doing work at 550 foot-pounds per second (ft-lb/s), or 33,000 foot-pounds per P1: FCH GB090-01 GB090-Miller August 27, 2004 16:36 Char Count= 0 16 Chapter 1 minute (ft-lb/min). It is equivalent to the power used to raise a weight of 33,000 pounds against gravity at a rate of one foot per minute: hp = foot-pounds 33,000 × time (minutes) Figure 1-11 shows another way of illustrating one horsepower.