A refrigeration upgrade that features sustainability, performance, costsavings, and energyefficiency. The mollier diagram is a variant of the psychrometric chart. The state of air with dry bulb temperature 21 oc and relative humidity 50% is indicated in the moliier chart below. Les donnees caracteristiques du fluide frigorigene r410a sont. Diagramme r4a listes des fichiers pdf diagramme r4a. Dd34 diagramme enthalpique cycle frigorifique cop froid youtube.
Pdf simultaneous determination of logd, logp, and pka of drugs by using a reverse phase hplc. Pressure enthalpy diagram melting line40 o 40 c2 02 0. Nontoxic, nonflammable and odp ozone depletion capacity is zero. Tracer le cycle frigorifique sur le diagramme enthalpie. Technical r427a data sheet features and uses of r427a it is a mixture consisting of 100% of hfc refrigerants. Le r404a melange hfc 44 % r143a, 52 % r125, 4 % r4a pour le r22. Opteon refrigerants for stationary ac and heat pumps. Incidence des fluides frigorigenes r1234yf, r455a, r454c. Bp 4,2 bars effectifs hp 22 bars effectifs cycle elementaire et vocabulaire. Tracer du cycle frigorifique sur le diagramme enthalpique et calcul du cop froid, cop chaud.
R427a is compatible with polyolester oils poe with a residual rate tolerance in most cases between 2. Actually it is log pressure versus enthalpy up mollierchart cooltime if you need to compare the performance of refrigerants, this program will suit your needs. It is very easy to use and gives the basic cycle performance both graphically and in text form. Diagramme enthalpique r22 technicien en froid commercial. From the mollier chart the enthalpy of the moist air is approximately. For the love of physics walter lewin may 16, 2011 duration. Mo89 is a retrofit refrigerant for rb1 in very low. Low gwp opteon refrigerants are designed as alternatives to replace previous refrigerants used for ac, refrigeration, and heat pump applications. Frontiers different phsensitivity patterns of 30 sodium channel inhibitors suggest chemically. Presentation du diagramme enthalpique ou mollier, premiere approche du diagramme, les. This information is based on values calculated using the nist refprop database mclinden, m. Changing regulations, including the phaseout and phasedown of certain refrigerants, increase demand for an environmentally sustainable, highperforming, and costeffective refrigerant. Transform between mollier diagram and psychrometric chart.
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