2014 ASHRAE Handbook -- Refrigeration (I-P) (Ashrae Handbook by ASHRAE

By ASHRAE

The 2014 ASHRAE Handbook€”Refrigeration covers the refrigeration gear and structures for functions except human convenience. This quantity contains info and tips on cooling, freezing, and storing nutrition; business and scientific purposes of refrigeration; and low-temperature refrigeration; and contains a dual-unit CD.

CD approach requisites: home windows: CD-ROM force; 1.3 GHz or quicker processor; Microsoft home windows Vista, home windows 7, or home windows eight (62-bit and 64-big); 1 GB of RAM (2 GB recommended); Microsoft web Explorer eight or larger; Adobe Acrobat/Reader 10.0 or larger; 350 MB hard-disk area. Macintosh: Mac OS X v. 10.5.8 or v. 10.6.4; 512 MB of RAM (1 GB recommended); 415 MB hard-disk house; 800 x six hundred display answer (1024 x 768 recommended); Safari four for Mac OS X v. 10.5.8, Safari four or 5.0x for Mac OS X v. 10.6.4, Safari 6.0 for Mac OS X v. 10.7.4 or v. 10.8; Firefox; Adobe Acrobat/Reader 10.0 or better. quotation: 2014 ASHRAE Handbook

ASHRAE, based in 1894, is a world association of a few 50,000 individuals. ASHRAE fulfills its venture of advancing heating, air flow, air con, and refrigeration to serve humanity and advertise a sustainable international via study, criteria writing, publishing, and carrying on with schooling.

The ASHRAE Handbooks are the layout commonplace for keep watch over of outfitted environments with volumes on structures and gear, HVAC functions, Refrigeration and basics. every one is up-to-date each 4 years. as well as publishing layout advice for engineers, architects, and facility managers, we additionally put up a chain of texts for lecture room use.

a few of the components we submit in include:
-Energy Modeling and Auditing
-High functionality construction Design
-Psychrometrics
-Indoor Air caliber and Environmental Quality
-Data heart strength Efficiency
-Noise & Vibration Control
-Humidity Control
-HVAC for Healthcare amenities

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Extra info for 2014 ASHRAE Handbook -- Refrigeration (I-P) (Ashrae Handbook Refrigeration Systems/Applications Inch-Pound System

Sample text

Figure 38 incorporates an air bypass arrangement for controlling head pressure. A modulating motor, acting in response to a modulating pressure control, positions dampers so that the mixture of recirculated and cold inlet air maintains the desired pressure. In extremely cold weather, most of the air is recirculated. Air-Cooled Condensers Methods for condensing pressure control with air-cooled condensers include (1) cycling fan motor, (2) air throttling or bypassing, (3) coil flooding, and (4) fan motor speed control.

The amount of gain from cooling to near interstage conditions varies among refrigerants. Figure 31 illustrates an open or flash-type cooler. This is the simplest and least costly type, which has the advantage of cooling liquid to the saturation temperature of the interstage pressure. One disadvantage is that the pressure of cooled liquid is reduced to interstage pressure, leaving less pressure available for liquid transport. Although the liquid temperature is reduced, the pressure drops correspondingly, and the expansion device controlling flow to the cooler must be large enough to pass all the liquid refrigerant flow.

28 Shell-and-Finned-Coil Heat Exchanger Fig. 30 Tube-in-Tube Heat Exchanger Fig. 29 Shell-and-Finned-Coil Exchanger Installed to Prevent Liquid Floodback Fig. 31 Flash-Type Cooler Halocarbon Refrigeration Systems through the entire system and returns to the compressor as fast as it leaves. Although well-designed piping systems can handle the oil in most cases, a discharge-line oil separator can have certain advantages in some applications (see Chapter 11), such as • In systems where it is impossible to prevent substantial absorption of refrigerant in the crankcase oil during shutdown periods.

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