Compilation for enthalpy graph of r12
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: uncomston
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: gwickwire
THERMODYNAMIC PROPERTIES, PROPERTY RELATIONSHIPS, ANDPRO CESSES

Enthalpy Enthalpy is a useful property defined by the following combination of more common properties: (2.17) On a mass-specific basis, the enthalpy involves the specific ...

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Submitter: sjgeav
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: crubsnern
yangtze.hku.hk

... partition function U = U(0) - (lnQ/)V The Enthalpy ... Te+VeN) f(1) + VNN + dt1 dt2 |f2(1)| e2/r12 |f2 ... Equation 3.0 CS ChemDraw Drawing Origin Graph ...

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Submitter: crystalsch
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: zoodogydaysep
R407C pt table

R407C pt table.xls. R407C Temp Pressure (L) Pressure (V) Density (L) Density (V) Enthalpy (L) Enthalpy (V) Entropy (L) Entropy (V) Mass frac.

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Submitter: osos_math
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: larry1228
Temperature-Pressure Chart Pressures are shown as psig, except ...

r-123 * 29.7 * 29.6 * 29.4 * 29.2 * 28.8 * 28.6 * 28.3 * 28.1 * 27.7 *27.3 * 26.9 * 26.4 * 25.8 * 25.2 * 24.5 * 23.7 * 22.8 * 21.8 * 20.7 * 19.5 * 18.1 * 16.6 * 15.0 ...

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Submitter: fauno91
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: spipse
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: turbojet
Actual Working Fluid

Enthalpy of formation If hof,u is the enthalpy of formation of the ... of the charge in kJ/K per kg of air, is given by p is the pressure. A typical chart for ...

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Submitter: nissebus
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: joy48577
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: bestlipspeople
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: golphinwisecup
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: reignoftara
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: pmarin
Thermodynamic Properties of DuPont(tm) Freon(R) 22 (R-22 ...

9 Table 2 (continued) DuPont Freon 22 Superheated Vapor Constant Pressure Tables V = Volume in m3/kg H = Enthalpy in kJ/kg S = Entropy in kJ/kg K ...

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Submitter: tmadden
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: ooseven
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: apsdiesel
Thermochemistry - Winona State University

Zn(s) + 2H + (aq) Zn 2+ (aq) + H 2 (g) The work performed by the above reaction is called pressure-volume work. When the pressure is constant, Enthalpy

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Submitter: williamisvvs
usuarios.multimania.es_ecorp_INDICE%20TEXAS.doc

25k 02-09-30 Calendar. Calendar is a fully functional FlashApp for the TI-89 and 92 Plus. It allows you to have up to 192 special events that will be marked so you ...

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Submitter: ebookebook
Introductory Concepts, Part II

... of quality. 3.3.2 Specific Enthalpy In many thermodynamic analyses the sum of the internal energy U and the product of pressure p ... Generalized compressibility chart The ...

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Submitter: karthi_vkt
Chapter 8

- for low pressure (nearly ideal gas) * For real gases , ... - Psychrometric chart : plot of several properties of a ... H : add enthalpy deviation to the H at saturation

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Submitter: easefeitardq
titagartala.nic.in

... Simple mathematical calculation with pressure enthalpy ... of commonly used refrigerants such as R11, R12, R22 ... for a two-stroke and four-stroke I.C. engine (graph only ...

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Submitter: ipeleng
REFRIGERANT TEMPERATURE-PRESSURE CHART -- MOSTLY COMPUTER ...

r12-5.9-2.6 0.5 2.5 4.7 7.0 9.6 12.4 15.5 18.8 22.5 26.4 30.6 35.1 40.0 45.2 50.8 56.8 63.1 69.9 77.2 84.9 93.0101.7110.9120.6130.8141.6153.0165.0177.7190.9204.8219.4234.7250.8267.5285.0303 ...

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Submitter: orderiejedsex
Specific Heat

For constant pressure heat addition: Define new property, enthalpy h. For constant P process dP=0, so dh = du ... Assuming the mass obtained from the chart is correct, the ...

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Submitter: naildelia
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: larrdog
Pressure - Temperature Chart

E 2 R I 2 x R E x I (W) Watts (I) Current Resistance (R) Voltage (E) W x R I x R E 2 W W I 2 E R E I W I W E W R Bubble Point - Used to Determine Subcooling Constant Temperature Lines Enthalpy (BTUs/Lb ...

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Submitter: arpala
Chapter 13: Gas-Vapor Mixtures and Air-Conditioning

Taking Cpa = 1.005 kJ/(kg K), 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: elutoptoppirl
Flame Temperature

The enthalpy of the entering air is considered to be sensible heat only (i.e., the ... that the specific heat of a gas is not a function of its temperature or pressure.

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Submitter: richkenkins
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: blankie295
Chapter IV Cooling tower design

Using the ideal gas law, (6.5) (6.4) (6.7) (6.6) * 5.2 Vapor Pressure of Water and Humidity Humidity and Humidity Chart 7. Total enthalpy of an air-water vapor ...

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Submitter: gingerebener606
Acme Training Manual

Horizontal lines on the P-H Chart are lines of constant pressure and vertical lines are lines of constant enthalpy or heat energy. The line labeled Saturated liquid line ...

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Submitter: emcp
3

The method used here (using pressure-enthalpy data) is the preferred method of doing ... availability issues in comparison to centrifugal machines (see chart above).

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Submitter: tbrown
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: ddgraves

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