R 717 pressure enthalpy diagram. Appendix b log p h diagrams for refrigerants swep. Ammonia r717 pressure enthalpy chart. Pdf epub docx status. How a chiller cooling tower and air handling unit work together.
Ammonia also known as r 717 is one of the oldest refrigerants. Paul evans feb 14 2015 1. Ammonia r717 pressure enthalpy chart author. R 717 is a pure working fluid used in many refrigeration systems.
R717 ammonia pressure enthalpy chart. Pressure enthalpy chart r 134a 1112 tetrafluoroethane enthalpy kjkg pressure bar pressure mpa produced by tecquipments vdas system. Unit operations in food processing r l earle pdf. Paul evans apr 14 2019 0.
The downside though is that ammonia is toxic in small quantities. Its origins as a refrigerant can be traced all the way back to the 1800s and it was one of the first refrigerants used in a variety of applications. Area of an annulus. Paul evans apr 14 2019 0.
R448a pressure enthalpy chart. The tables attached were developed based on a refrigerant property database refprop 70 developed by the national institute of standards and technology nist. R717 ammonia pressure temperature chart r717 temperature 0c pressure bara pressure barg pressure psig 70 011 090 1310 68 013 089 1285 66 015 087 1258 64 017 085 1226 62 019 082 1191 60 022 079 1151 58 025 076 1107 56 028 073 1058 54 032 069 1004 52 036 065 943 50 041 060 877 48 046 055 803 46 051 050 722 44 058 044. Download a pdf copy of the pressure enthalpy chart for both metric and imperial units.
R 717 ammonia pressure chart. Chlorodifluoromethane wikipedia pdf. It is also widely considered one of the most efficient refrigerants available. Get this from a library.
David marasigan created date. 1029 votes last checked. Home r717 ammonia pressure enthalpy chart r717 ammonia fb. The term anhydrous means without water.
Pressure enthalpy diagram for ammonia refrigerant 717nh3. Paul evans jul 1 2019 0. R422d pressure enthalpy chart. Solutions of ammonia mixed with water called aqua ammonia refrigerants are often used in many absorption refrigeration systems.
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