Tricia's Compilation for 'enthalpy graph of r12'

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: applecraft
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: cragreemync
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: bonignoffmots
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: greenmtnrose
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: freplesal
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: reignoftara
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: tearmabiarl
ME 415

The title page, chart and graph titles, equations and ... record the temperatures at stations A through D, R12 ... pre-heat (steps 4 and 5 above), calculate the enthalpy ...

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Submitter: guyzo22
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: firefox123
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: pboyp
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: sisamagrooter
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: mattped
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: cathy
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: kerry
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: gwickwire
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: gnatok
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: medyestalllam
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: rouvierre
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: irrarkbeide
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: jimlamb26
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: ams10
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: jjoeyboy10
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: theamiempoche
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: toxdeecehurrireerope
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: ivusernamew6
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: makwena
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: brenotrip
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: gingerebener606
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: jdhoit
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: yasashi
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: paige_16
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: hahahaha
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: herorderb
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: pels
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: duckwackduh
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: aakashrocks-13

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