By American Society of Heating Refrigerating and Air-Conditioning Engineers
This guide covers the refrigeration apparatus and platforms for purposes except human convenience. This booklet comprises details on cooling, freezing, and storing nutrients; business purposes of refrigeration; and low-temperature refrigeration. essentially a reference for the training engineer, this quantity can also be valuable for someone concerned with cooling and garage of foodstuff items. This variation contains new chapters: Carbon Dioxide Refrigeration structures and Terminology of Refrigeration. additionally new for this quantity are bankruptcy order and groupings which were revised for extra logical movement and use.
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Extra info for 2010 ASHRAE Handbook - Refrigeration (I-P Edition)
8 Water Solubility in CO2 Click here to view Fig. 10 Water Solubility in CO2 (Adapted from Vestergaard 2007) (Figure 11). For a large system with an inherently large pressure drop, the temperature penalty with CO2 is substantially less than the same pressure drop using another refrigerant. Because of CO2’s physical properties (particularly density), the vapor side of the system is much smaller than in a typical ammonia system, but the liquid side is similar or even larger because CO2’s lower latent heat requires more mass flow (see Table 3).
There are several configuration of the cascade heat exchanger. Industrial applications use conventional shell-and-tube, welded plate-in-shell, and plate-and-frame heat exchangers. To reduce the risk of cross-contamination, some projects use shell-and-tube heat exchangers with double tube sheets, which are significantly more expensive than single-tube sheet heat exchangers. In commercial applications system capacity influences design criteria; equipment options include brazed-plate, tube-in-tube, coaxial, shell-and-tube, and plate and frame heat exchangers.
Jacobi. 1997b. A fundamental study of refrigerant line transients: Part 2—Pressure excursion estimates and initiation mechanisms. ASHRAE Transactions 103(2):32-41. F. 1988. Chapters 8 and 9 in Industrial refrigeration. Business News, Troy, MI. L. 1991. An improved method for calculating refrigerant line pressure drops. ASHRAE Transactions 97(1):194-203. D. 1977. Refrigerant line sizing. Final Report, ASHRAE Research Project RP-185. BIBLIOGRAPHY BAC. 1983. Evaporative condenser engineering manual.
2010 ASHRAE Handbook - Refrigeration (I-P Edition) by American Society of Heating Refrigerating and Air-Conditioning Engineers