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

By ASHRAE

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

CD approach requisites: 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 web Explorer eight or greater; Adobe Acrobat/Reader 10.0 or larger; 350 MB hard-disk house. 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 solution (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 individuals. ASHRAE fulfills its undertaking 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 average for regulate of outfitted environments with volumes on structures and gear, HVAC purposes, Refrigeration and basics. every one is up to date each 4 years. as well as publishing layout information for engineers, architects, and facility managers, we additionally submit a chain of texts for school room use.

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

Show description

By ASHRAE

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

CD approach requisites: 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 web Explorer eight or greater; Adobe Acrobat/Reader 10.0 or larger; 350 MB hard-disk house. 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 solution (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 individuals. ASHRAE fulfills its undertaking 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 average for regulate of outfitted environments with volumes on structures and gear, HVAC purposes, Refrigeration and basics. every one is up to date each 4 years. as well as publishing layout information for engineers, architects, and facility managers, we additionally submit a chain of texts for school room use.

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

Show description

Read or Download 2014 ASHRAE Handbook -- Refrigeration (I-P) (Ashrae Handbook Refrigeration Systems/Applications Inch-Pound System PDF

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

Example text

For other liquid line temperatures, use correction factors in table at right. 2. Values computed using ISO 32 mineral oil for R-22. R-134a computed using ISO 32 ester-based oil. Fig. 87 the condenser and the receiver ambient temperature are higher than that of the compressor. The check valve prevents refrigerant from boiling off in the condenser or receiver and condensing on the compressor heads during off cycles. This check valve should be a piston type, which closes by gravity when the compressor stops running.

A relatively large liquid leg is required to balance a small temperature difference; therefore, this method is probably limited to marginal cases. Liquid leaving the receiver is nonetheless saturated, and any subcooling to prevent flashing in the liquid line must be obtained downstream of the receiver. If the temperature of the receiver ambient is above the condensing pressure only at part-load conditions, it may be acceptable to back liquid into the condensing surface, sacrificing the operating economy of lower part-load head pressure for a lower liquid leg requirement.

To minimize entrance of condensed refrigerant from the low side, a thermostat may be installed and wired to control the solenoid in the oil return line from the separator. The thermostat sensing element should be located on the oil separator shell below the oil level and set high enough so that the solenoid valve will not open until the separator temperature is higher than the condensing temperature. A superheat-controlled expansion valve can perform the same function. If a discharge line check valve is used, it should be downstream of the oil separator.

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