While evaluating two related states (say, two
if sufficient information is entered. In fact, from the thermodynamic or heat-carrying standpoint, differences among refrigerants with similar boiling points are small. the examples below (takes only a minute), and (b) Launch the customized
The calculated states are auto-saved
of this page (beginning TEST 7.5, registration is required for all users). at the top margin) and some are left for the users to explore. Once you get a rough idea about how the smart table
as part of the solution. The property tables will be updated in the future to include thermal conductivity, viscosity, etc. It also provides a closer match to R-500 at air-conditioning temperatures.Applications for R-401B are in normally lower temperature R-12 refrigeration locations and in transport refrigeration, and in R-500 as a direct expansion refrigerant in air-conditioning systems.Carbon dioxide is a colorless gas without any definite smell at ordinary temperature.Carbon dioxide is hazardous to human life with a concentration above 5 %. isentropic states), algebraic expressions involving state variables can
It involves holding a torch or a flame close to the leak area. The potential for a single molecule of the refrigerant to destroy the Ozone Layer. Freon™ 134a Refrigerant 6 Table 2. Loss Certain physical properties of refrigerants – R11: (ccl3f), low pressure (0 ° C 0.40 bar) is a cooler. The ozone depletion potential (ODP) of a refrigerant is the relative amount of depletion to the ozone layer it can cause. temperature and quality (x=0 for saturated liquid) (Velocity and height
Physical Properties of Freon™ 134a Physical Property Unit Freon™ 134a Chemical Name — Ethane, 1,1,1,2-Tetrafluoro Chemical Formula — CH 2 FCF 3 Molecular Weight g/mol 102.03 Boiling Point at 1 atm (101.3 kPa or 1.013 bar) °C °F –26.1 –14.9 Freezing Point °C °F –103.3 213.9 R-11 refrigerant is also used as the solvent and the secondary refrigerant.Here are some of the problems associated with R-11 that have restricted the use of this refrigerant:Since R11 has highest potential to cause the depletion of ozone layer, as per the Montreal Protocol, its use and production has to be stopped completely in the phase manner. Use halide torch for leak detection. Image of the PC (phase-change) volume state daemon. The important properties of R-502 are as follows: In fact, it can absorb vapor as quickly as a compressor.The extent of technical developments for ammonia are increasing for e.g, low refrigerant charged packaged liquid chillers for use in air conditioning.Ammonia is not compatible with copper and its alloys, so refrigerant piping and components have to be made of steel or aluminum.Ammonia has a lesser density compared to air, so in case of any leakage, ammonia mixes into the atmosphere.If the industrial plant is built outside or on the roof of a building, the escaping ammonia can easily drift away without harming the occupants.Ammonia can be detected by its odor at very low concentrations, and this acts as an early warning signal.The safety aspects of ammonia plants are well known, and there is a reason to expect a continued increase in the use of ammonia as long as refrigerant exists.Ammonia has ozone-depleting potential = 0 and Global Warming Potential = 0.This blend refrigerant is similar to R-401A except, it is higher in R-22 content. systematically as explained in the Tutorial. You may open a separate window and browse the Tutorial while waiting for the daemon to load in the other window. Instructions for calculating a State. The molecular weight of R11 refrigerant is 137.4 and its boiling point is 74.7 degree F.Refrigerant R-11 is considered to be safe refrigerant as it is nonflammable and non-explosive.