Compilation for enthalpy graph of r12
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: treebell23
seaworm.narod.ru

Enthalpy. Enthalpy is a thermodynamic measure of the total heat content of a liquid or vapour at a given temperature and is expressed in energy per unit mass (k Joules per ...

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Submitter: dmoorekc
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: immomneda
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: kim
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: mayrajuarez22
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: rturner
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: mholliday51
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: noble
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: jfranklin
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: vicky_772326
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: ffo1946
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: tunchi187
Chapter 3 from Moran and Shapiro

... Gas Equation of State Any relation among the pressure ... can be determined from the compressibility chart with ... Other Thermodynamic Properties: Internal Energy, Enthalpy ...

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Submitter: 63bluecomet
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: hutchdei
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: shujaat
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: amacs
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: searay
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: nancyp
Duracool Manual 2004

DEEPCOOL 12a PRESSURE / TEMPERATURE GRAPH ... of saturated vapour @ boiling point (kg/m3) R12 1.29 ... Vapour) Density (Liquid) Density (Vapour) Enthalpy (Liquid ...

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Submitter: pboyp
Pressure - Temperature Chart

Pressure - Temperature Chart All pressures shown are in PSIG; Red print = Vacuum (inches of ... Temperature Lines Enthalpy (BTUs/Lb) Pressure-Enthalpy (PH) Diagram for ...

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Submitter: tmc
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: karinboot
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: mbangelo
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: craigswanson
CFD of an RCM

... numbers z1 and z2 with centres separated by a distance r12: Ion-Ion interaction/Lattice Enthalpy To ... Modelling the total interaction graph of the potential energy of ...

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Submitter: eceactiolickkbb
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: eratdonna
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: astoryautor
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: 4tractor
A Comparison of an R22 and an R410A Air Conditioner Operating at ...

The air enthalpy method was used as the primary measurement of air-side capacity. The refrigerant enthalpy method was used as the secondary measurement of capacity.

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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: jt
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: kit
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: moomimespit
Slide 1

Measure the scale in mm and convert to chart units. E.g., What is the enthalpy of a (two phase) feed stream at 1 kg/cm2 pressure, 82C, 0.6 wt% ethanol?

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Submitter: enghsucks
DESIGN OF A REFRIGERATION CYCLE

Based on this, and the graph of volumetric efficiency ... liquid at 8 bar, it is possible to determine the enthalpy ... Sat. Press(bar) - R12: Sat. Press(bar) - R22: Sat. Press ...

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Submitter: admike
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: sganser
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: tearmabiarl
PRESSURE - ENTHALPY DIAGRAM

pressure - enthalpy diagram si units temperature c 134a

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Submitter: cathy

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