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


The 2014 ASHRAE Handbook€”Refrigeration covers the refrigeration gear and structures for purposes except human convenience. This quantity contains facts and suggestions on cooling, freezing, and storing nutrition; commercial and scientific purposes of refrigeration; and low-temperature refrigeration; and contains 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 web Explorer eight or better; Adobe Acrobat/Reader 10.0 or greater; 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 area; 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 better. 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 global via study, criteria writing, publishing, and carrying on with schooling.

The ASHRAE Handbooks are the layout average for regulate of equipped environments with volumes on platforms and kit, 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 submit a sequence of texts for lecture room use.

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

Example text

This restricts liquid refrigerant drainage and causes the condenser to flood enough to maintain the condenser and receiver pressure at the control valve setting. A pressure difference must be available across the valve to open it. Although the condenser imposes sufficient pressure drop at full load, pressure drop may practically disappear at partial loading. Therefore, a positive restriction must be placed parallel with the condenser and the control valve. Systems using this type of control require extra refrigerant charge.

Condenser pressure drop at the greatest expected heat rejection should be obtained from the manufacturer. The minimum value of h can then be calculated to determine whether the available height will allow the surgetype receiver. Multiple Condensers. Two or more condensers connected in series or in parallel can be used in a single refrigeration system. If connected in series, the pressure losses through each condenser must be added. Condensers are more often arranged in parallel. Pressure loss through any one of the parallel circuits is always equal to that through any of the others, even if it results in filling much of one circuit with liquid while gas passes through another.

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. A liquid refrigerant circulating pump (Figure 17) provides a more positive way of obtaining a high circulation rate.

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