The 2014 ASHRAE Handbook€”Refrigeration covers the refrigeration apparatus and structures for functions except human convenience. This quantity contains information and tips on cooling, freezing, and storing nutrition; business and scientific purposes of refrigeration; and low-temperature refrigeration; and encompasses a dual-unit CD.
CD process 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 net Explorer eight or greater; Adobe Acrobat/Reader 10.0 or better; 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 reveal 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 greater. quotation: 2014 ASHRAE Handbook
ASHRAE, based in 1894, is a world association of a few 50,000 folks. 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 normal for regulate of outfitted environments with volumes on structures and kit, HVAC functions, Refrigeration and basics. every one is up to date each 4 years. as well as publishing layout counsel for engineers, architects, and facility managers, we additionally post a chain of texts for school room use.
a few of the components we submit in include:
-Energy Modeling and Auditing
-High functionality construction Design
-Indoor Air caliber and Environmental Quality
-Data heart power Efficiency
-Noise & Vibration Control
-HVAC for Healthcare amenities
Read Online or Download 2014 ASHRAE Handbook -- Refrigeration (SI) (Ashrae Handbook Refrigeration Si (Systems-International) PDF
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Additional info for 2014 ASHRAE Handbook -- Refrigeration (SI) (Ashrae Handbook Refrigeration Si (Systems-International)
If parallel condensers are alike and all are operated, the differences may be small, and condenser outlets need not be more than 600 to 900 mm above the liquid line junction. If fans on one condenser are not operated while the fans on another condenser are, 2014 ASHRAE Handbook—Refrigeration (SI) then the liquid level in the one condenser must be high enough to compensate for the pressure drop through the operating condenser. When the available level difference between condenser outlets and the liquid-line junction is sufficient, the receiver may be vented to the condenser inlets (Figure 25).
The net result is a reduction in total system power requirements. 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.
This check valve should be a piston type, which closes by gravity when the compressor stops running. A spring-loaded check may incur chatter (vibration), particularly on slow-speed reciprocating compressors. For compressors equipped with water-cooled oil coolers, a water solenoid and water-regulating valve should be installed in the water line so that the regulating valve maintains adequate cooling during operation, and the solenoid stops flow during the off cycle to prevent localized condensing of the refrigerant.
2014 ASHRAE Handbook -- Refrigeration (SI) (Ashrae Handbook Refrigeration Si (Systems-International) by ASHRAE