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


The 2014 ASHRAE Handbook€”Refrigeration covers the refrigeration apparatus and structures for purposes except human convenience. This quantity comprises information and counsel on cooling, freezing, and storing nutrients; business and clinical functions of refrigeration; and low-temperature refrigeration; and features a dual-unit CD.

CD method necessities: home windows: CD-ROM force; 1.3 GHz or swifter 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 net Explorer eight or larger; Adobe Acrobat/Reader 10.0 or greater; 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 monitor 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 global association of a few 50,000 folks. ASHRAE fulfills its project of advancing heating, air flow, air con, and refrigeration to serve humanity and advertise a sustainable international via examine, criteria writing, publishing, and carrying on with schooling.

The ASHRAE Handbooks are the layout ordinary for keep an eye on of outfitted environments with volumes on platforms and kit, HVAC purposes, Refrigeration and basics. every one is up-to-date each 4 years. as well as publishing layout assistance for engineers, architects, and facility managers, we additionally put up a sequence of texts for school room use.

a few of the components we post in include:
-Energy Modeling and Auditing
-High functionality construction Design
-Indoor Air caliber and Environmental Quality
-Data middle power 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

The muffler should be installed to allow oil to flow through it and not be trapped. 26 2014 ASHRAE Handbook—Refrigeration DEFROST GAS SUPPLY LINES Sizing refrigeration lines to supply defrost gas to one or more evaporators is not an exact science. The parameters associated with sizing the defrost gas line are related to allowable pressure drop and refrigerant flow rate during defrost. Engineers use an estimated two times the evaporator load for effective refrigerant flow rate to determine line sizing requirements.

Another thermostatic expansion valve supplies liquid directly to the bypass line for desuperheating. It is always important to install the hot-gas bypass far enough back in the system to maintain sufficient gas velocities in suction risers and other components to ensure oil return at any evaporator loading. Figure 39C shows the most satisfactory hot-gas bypass arrangement. Here, the bypass is connected into the low side between the expansion valve and entrance to the evaporator. If a distributor is used, gas enters between the expansion valve and distributor.

The refrigerant level is generally controlled through a high- or low-side float control. Figure 16 represents a typical arrangement showing a low-side float control, oil return line, and heat interchanger. Circulation of refrigerant through the evaporator depends on gravity and a thermosiphon effect. A mixture of liquid refrigerant and vapor returns to the surge tank, and the vapor flows into the suction line. A baffle installed in the surge tank helps prevent foam and liquid from entering the suction line.

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