Tricia's Compilation for 'enthalpy graph of r12'

22701 Demonstrate knowledge of refrigeration and air conditioning ...

3.1 A simple pressure/enthalpy (Mollier) skeleton chart is sketched. Range constant pressure, temperature lines, saturated vapour/liquid lines, specific volume lines ...

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Submitter: mohammed-irfan
Refrigeration Basics 101

R502 at 100 would be 218.6, R12 at 100 would be 119.4 lbs pressure. If you just know a pressure, cross the pressure on the chart to the corresponding ...

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Submitter: naildelia
Chapter 14: Gas-Vapor Mixtures and Air-Conditioning

Taking Cpa = 1.005 kJ/kgK, the enthalpy of the dry air is ... The Psychrometric Chart For a given, fixed, total air-vapor pressure, the properties of the mixture are ...

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Submitter: debi1562
Ice Plant Refrigeration Servicing NC III

Interpreting pressure/temperature chart, pressure enthalpy chart, conversion chart. Economy of materials. Tagging. Identification of work hazards. Work safety requirements

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Submitter: ehightow
PROPERTY TABLES AND EOS

... gases is same at the same PR and TR. generalized compressibility chart ... of energy needed to vaporize a unit mass of water at a given pressure is the enthalpy of ...

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Submitter: buingkeessemusic
Air Conditioning Lab

... inlet, the temperature and pressure are relatively low thus the enthalpy and ... to discern on a reasonably scaled chart. Since the quality is now known from the enthalpy ...

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Submitter: crandall1400
Construction of a generalized psychrometric chart for different ...

Keywords moist air; psychrometric chart; barometric pressure Nomenclature h specific enthalpy of moist air h a specific enthalpy of dry air h w specific enthalpy of water vapor m a ...

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Submitter: bestlipspeople
Referigerant R -22 Pressure - Enthalpy chart

PSIA PSIGKG/CM2 Mbar Pascals Enthalpy Liquid Liquid Density Entropy Liquid Enthalpy Vapor Entropy Vapor Vapor Volume 50.7 36 3.563,495349,537 80.838 172.48 0.22838 0.42211 1.0594 82.16 51.7 37 3 ...

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Submitter: keikosman
Thermodynamics can be defined as the science of energy

Generalized enthalpy departure chart is a plot of the enthalpy departure factor as a function of reduced pressure and reduced temperature. It is used to determine the ...

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Submitter: crse14smsgt
GUIDE BOOK

Table 4.1 Properties of Commonly used Refrigerants Refrigerant Boiling Point ** (oC) Freezing Point (oC) Vapor Pressure * (kPa) Vapor Volume * (m3 / kg) Enthalpy ...

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Submitter: naseri
ASHRAE PSYCHROMETRIC CHART NO.1

... sensible heat qs total heat qt enthalpy humidity ratio dh dw r r ashrae psychrometric chart no.1 normal temperature barometric pressure: 29.921 inches of mercury copyright 1992 ...

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Submitter: mcgyver
Engineering thermodynamics

One commonly used chart is the Mollier Chart, which is the plot of enthalpy versus entropy. The pressure enthalpy chart is frequently used in refrigeration applications.

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Submitter: njj
HEAT PROCESSES

Enthalpy, entropy, exergy Balances Isobaric and ... 80 31 sublimate at atmospheric pressure R12 ... Streams are plotted in graph T,H as vectors (lines if ...

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Submitter: ryzatson
Conversions and Formulas

... 0.09 6.50 R414B 0.77 55.90 1 / 2 R22 0.15 7.40 1 3 / 8 R22 1.33 63.50 R414A 0.15 7.25 R414A 1.30 62.23 R12 ... Q = Heat Flow in BTUH SH = Specific Humidity (grains of moisture) H = Enthalpy Always ...

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Submitter: yeroc525
Refrigerant R-22 Pressure / Temperature chart

0.7-130.1-14 (29).05 48 4,798-90.1 183.1 4.8-96.5-.98 1.7-109.0-13 (26).12 117 11,693-78.3 194.8 11.7-89.6-.91 2.7-96.7-12 (24).19 186 18,588-71.5 201.7 18.6-82.7 ...

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Submitter: williamisvvs
Standard Enthalpies of Formation

The standard enthalpy of formation of a substance, denoted DHfo, is the enthalpy ... The vapor pressure of a liquid is the partial pressure of the vapor over the liquid ...

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Submitter: quoreflotrors
The Engineers Guide

... R22 has an Ozone Depletion Potential index of 0.055, which is 5% of that of R12. 1.5 ... Figure 7.5 Pressure - Enthalpy diagram for a Pure Refrigerant R22 Figure 7.6 shows a ...

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Submitter: 63bluecomet
Carbon Dioxide: Pressure - Enthalpy Diagram

mollier_chart_met.xls. Carbon Dioxide: Pressure - Enthalpy Diagram Melting Line-40-40 o C-2 0-2 0 t = 0 o C 0 2 0 20 40 40 60 60 80 80 100 100 120 120 140 140 160 160 ...

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Submitter: ligneswiss
student.fnu.ac.fj:82

The above chart is for refrigerant MP39. You can see that pressure and enthalpy are the units on the verticle and horizontal axis. Several other parameters are also shown ...

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Submitter: tbrown
Entropy Change

Mollier Diagram Enthalpy-entropy diagram, h-s diagram: it is valuable in analyzing ... substance For most liquids and all solids, the density is not changed as pressure ...

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Submitter: ykcuhc-kram
PRESSURE TEMPERATURE CHART

PRESSURE TEMPERATURE CHART Temperature R409 A R414B R416 A F C Liquid Vapor Liquid Vapor Liquid Vapor Press. Press. Press. Press. Press. Press.-30-34.4 0.2 9.9 0.0 9 ...

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Submitter: marcierlsbshl
PRESSURE TEMPERATURE CHART

... 48.9 260 300 266 241 227 418 125 51.7 278 321 286 258 244 446 130 54.4 297 342 307 275 261 476 135 57.2 317 365 329 293 279 507 140 60.0 337 389 353 312 297 539 145 62.8 359----573 150 65.6 382----608 Temperature R12 ...

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Submitter: midi
R410A THE REFRIGERANT OF THE FUTURE

Graph 1. Pressure Comparison: R12 vs. R22 vs. R410A Higher Pressures Mean What? The system pressures of R410A make is necessary for all equipment to be specifically made to ...

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Submitter: stevewedan
Psychrometrics Without Tears - HVAC Excellence

... side of the chart provides information regarding the absolute humidity of an air sample The lines that represent constant wet-bulb temperature also represent the enthalpy ...

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Submitter: whephen
AN OVERVIEW OF THE PROPERTIES AND APPLICAITONS OF HFC-245fa

H, H- Enthalpy, Enthalpy change, respectively. Pressure- kPa . Refrigeration Capacity- kW. S-Entropy. T, T -Temperature, Temp. change, respectively; C

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Submitter: mivwejnahwjwa
Psychrometrics Lecture 1

(constant humidity ratio and pressure) Wet-bulb Temperature: determined when air is ... (constant enthalpy) (adiabatic process) Enthalpy: heat energy content of moist air ...

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Submitter: sri123
Thermodynamics Design Project:

R-134a is a high pressure refrigerant with zero ozone ... in Figure 2 can now be evaluated in a state chart. ... The enthalpy at state 2 is calculated based on the ...

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Submitter: tttrtn
introduction

Graph (a) shows the rapid formation of the dihydrogen bond with the simultaneous breaking of the C-H bond. The Ti-C distances in graph (b) illustrates the change ...

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Submitter: jed
Chapter 12: Thermodynamic Property Relations

... enthalpy departure and represents the variation of the enthalpy of a gas with pressure ... as a function of PR and TR in Figure A-29, called the enthalpy departure chart.

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Submitter: jessierayo
DEPARTMENT OF CHEMICAL AND BIO ENGINEERING

R12 Basic Courses should be planned to be taught in ... Balances: Concepts and units, calculation of enthalpy ... in an agitated batch crystallizer and to plot a graph ...

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Submitter: jchae

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