PSYCHOMETRICS
INTRODUCTION
INDEXES
PSYCHOMETRIC CHART
PSYCHOMETRIC CHART
INTRODUCTION:PSYCHOMETRICS IS THE STUDY OF MOIST AIR.
THE PSYCHOMETRIC CHART IS A GRAPHIC REPRESENTATION OF THE THERMODYNAMICS AND THERMAL PROPERTIES OF MOIST AIR.
THE LATENT HEAT IN WATER VAPOR IS THE LARGEST OF ANY COMMON LIQUID.
AS A RESULT, THE SMALL AMOUNT OF WATER VAPOR IN THE AIR MIXTURE OFTEN CONTAINS THE MAJOR PART OF THE TOTAL ENERGY OF THE MIXTURE.
PSYCHOMETRICS
INTRODUCTION
INDEXES
PSYCHOMETRIC CHART
PSYCHOMETRIC CHART
PSYCHOMETRICS
INTRODUCTION
INDEXESDRY-BULB
WET-BULB
DEW POINT
HUMIDITY RATIO
RELATIVE HUMIDITY
SENSIBLE HEAT
LATENT HEAT
ENTHALPY
SPECIFIC VOLUME
PSYCHOMETRIC CHART
PSYCHOMETRIC CHART
PSYCHOMETRICS
INTRODUCTION
INDEXESDRY-BULB
WET-BULB
DEW POINT
HUMIDITY RATIO
RELATIVE HUMIDITY
SENSIBLE HEAT
LATENT HEAT
ENTHALPY
SPECIFIC VOLUME
PSYCHOMETRIC CHART
WET-BULB TEMPERATURE:THE TEMPERATURE REGISTERED BY A THERMOMETER WHOSE BULB IS COVERED BY A WETTED WICK AND EXPOSED TO A CURRENT OF RAPIDLY MOVING AIR.
PSYCHOMETRICS
INTRODUCTION
INDEXESDRY-BULB
WET-BULB
DEW POINT
HUMIDITY RATIO
RELATIVE HUMIDITY
SENSIBLE HEAT
LATENT HEAT
ENTHALPY
SPECIFIC VOLUME
PSYCHOMETRIC CHART
WET-BULB TEMPERATURE
PSYCHOMETRICS
INTRODUCTION
INDEXESDRY-BULB
WET-BULB
DEW POINT
HUMIDITY RATIO
RELATIVE HUMIDITY
SENSIBLE HEAT
LATENT HEAT
ENTHALPY
SPECIFIC VOLUME
PSYCHOMETRIC CHART
DEW POINT TEMPERATURE:THE TEMPERATURE AT WHICH CONDENSATION OF MOISTURE BEGINS WHEN AIR IS COOLED.
PSYCHOMETRICS
INTRODUCTION
INDEXESDRY-BULB
WET-BULB
DEW POINT
HUMIDITY RATIO
RELATIVE HUMIDITY
SENSIBLE HEAT
LATENT HEAT
ENTHALPY
SPECIFIC VOLUME
PSYCHOMETRIC CHART
DEW POINT TEMPERATURE
PSYCHOMETRICS
INTRODUCTION
INDEXESDRY-BULB
WET-BULB
DEW POINT
HUMIDITY RATIO
RELATIVE HUMIDITY
SENSIBLE HEAT
LATENT HEAT
ENTHALPY
SPECIFIC VOLUME
PSYCHOMETRIC CHART
HUMIDITY RATIO:
THE AMOUNT OF WATER IN THE AIR AND IS MEASURED IN GRAINS (7000 GRAINS = ONE POUND) OR POUNDS PER POUND OF DRY AIR.
ALSO KNOW AS ABSOLUTE HUMIDITY.
PSYCHOMETRICS
INTRODUCTION
INDEXESDRY-BULB
WET-BULB
DEW POINT
HUMIDITY RATIO
RELATIVE HUMIDITY
SENSIBLE HEAT
LATENT HEAT
ENTHALPY
SPECIFIC VOLUME
PSYCHOMETRIC CHART
HUMIDITY RATIO
PSYCHOMETRICS
INTRODUCTION
INDEXESDRY-BULB
WET-BULB
DEW POINT
HUMIDITY RATIO
RELATIVE HUMIDITY
SENSIBLE HEAT
LATENT HEAT
ENTHALPY
SPECIFIC VOLUME
PSYCHOMETRIC CHART
RELATIVE HUMIDITY:THE RATIO OF THE ACTUAL WATER CONTENT TO THE MAXIMUM POSSIBLE MOISTURE CONTENT AT A GIVEN TEMPERATURE.
RELATIVE HUMIDITY IS EXPRESSED AS A PERCENTAGE.
PSYCHOMETRICS
INTRODUCTION
INDEXESDRY-BULB
WET-BULB
DEW POINT
HUMIDITY RATIO
RELATIVE HUMIDITY
SENSIBLE HEAT
LATENT HEAT
ENTHALPY
SPECIFIC VOLUME
PSYCHOMETRIC CHART
RELATIVE HUMIDITY
PSYCHOMETRICS
INTRODUCTION
INDEXESDRY-BULB
WET-BULB
DEW POINT
HUMIDITY RATIO
RELATIVE HUMIDITY
SENSIBLE HEAT
LATENT HEAT
ENTHALPY
SPECIFIC VOLUME
PSYCHOMETRIC CHART
SENSIBLE HEAT:HEAT ASSOCIATED WITH CHANGE IN DRY-BULB TEMPERATURE.
PSYCHOMETRICS
INTRODUCTION
INDEXESDRY-BULB
WET-BULB
DEW POINT
HUMIDITY RATIO
RELATIVE HUMIDITY
SENSIBLE HEAT
LATENT HEAT
ENTHALPY
SPECIFIC VOLUME
PSYCHOMETRIC CHART
LATENT HEAT:HEAT ASSOCIATED WITH THE CHANGE OF STATE OF THE MOISTURE IN AIR.
LATENT HEAT OF VAPORIZATION IS APPROXIMATELY 1000 BTU/LB OF WATER.
WHEN MOISTURE IS CONDENSED FROM AIR, THE AIR IS REDUCING ITS LATENT HEAT.
WHEN MOISTURE IS EVAPORATED INTO THE AIR, THE AIR IS INCREASING ITS LATENT HEAT.
PSYCHOMETRICS
INTRODUCTION
INDEXESDRY-BULB
WET-BULB
DEW POINT
HUMIDITY RATIO
RELATIVE HUMIDITY
SENSIBLE HEAT
LATENT HEAT
ENTHALPY
SPECIFIC VOLUME
PSYCHOMETRIC CHART
LATENT HEAT
PSYCHOMETRICS
INTRODUCTION
INDEXESDRY-BULB
WET-BULB
DEW POINT
HUMIDITY RATIO
RELATIVE HUMIDITY
SENSIBLE HEAT
LATENT HEAT
ENTHALPY
SPECIFIC VOLUME
PSYCHOMETRIC CHART
ENTHALPY
ENTHALPY:A THERMAL PROPERTY INDICATING THE QUANTITY OF HEAT IN THE AIR EXPRESSED IN BTU/LB OF DRY AIR.
ENTHALPY REPRESENTS THE SUM OF THE LATENT AND SENSIBLE HEAT OF AIR.
PSYCHOMETRICS
INTRODUCTION
INDEXESDRY-BULB
WET-BULB
DEW POINT
HUMIDITY RATIO
RELATIVE HUMIDITY
SENSIBLE HEAT
LATENT HEAT
ENTHALPY
SPECIFIC VOLUME
PSYCHOMETRIC CHART
ENTHALPY
PSYCHOMETRICS
INTRODUCTION
INDEXESDRY-BULB
WET-BULB
DEW POINT
HUMIDITY RATIO
RELATIVE HUMIDITY
SENSIBLE HEAT
LATENT HEAT
ENTHALPY
SPECIFIC VOLUME
PSYCHOMETRIC CHART
PSYCHOMETRIC CHART
SPECIFIC VOLUME:
SPECIFIC VOLUME IS THE RECIPROCAL OF DENSITY OR THE VOLUME/WEIGHT.
THESE LINES SHOW HOW THE DENSITY OF AIR VARIES AS ITS TEMPERATURE AND MOISTURE CONTENT VARIES.
SPECIFIC VOLUME IS A USEFUL QUANTITY IN AIR CONDITIONING CALCULATIONS .
PSYCHOMETRICS
INTRODUCTION
INDEXES
PSYCHOMETRIC CHARTHEATING & COOLING
HUMIDITY
DEW POINT TEMPERATURE
WET-BULB TEMPERATURE
EVAPORATIVE COOLING
OTHER USES
HEATING & COOLING
PSYCHOMETRICS
INTRODUCTION
INDEXES
PSYCHOMETRIC CHARTHEATING & COOLING
HUMIDITY
DEW POINT TEMPERATURE
WET-BULB TEMPERATURE
EVAPORATIVE COOLING
OTHER USES
HEATING
PSYCHOMETRICS
INTRODUCTION
INDEXES
PSYCHOMETRIC CHARTHEATING & COOLING
HUMIDITY
DEW POINT TEMPERATURE
WET-BULB TEMPERATURE
EVAPORATIVE COOLING
OTHER USES
COOLING
PSYCHOMETRICS
INTRODUCTION
INDEXES
PSYCHOMETRIC CHARTHEATING & COOLING
HUMIDITY
DEW POINT TEMPERATURE
WET-BULB TEMPERATURE
EVAPORATIVE COOLING
OTHER USES
DEHUMIDIFICATION BY COOLING
PSYCHOMETRICS
INTRODUCTION
INDEXES
PSYCHOMETRIC CHARTHEATING & COOLING
HUMIDITY
DEW POINT TEMPERATURE
WET-BULB TEMPERATURE
EVAPORATIVE COOLING
OTHER USES
DEHUMIDIFICATION BY ABSORPTION
PSYCHOMETRICS
INTRODUCTION
INDEXES
PSYCHOMETRIC CHARTHEATING & COOLING
HUMIDITY
DEW POINT TEMPERATURE
WET-BULB TEMPERATURE
EVAPORATIVE COOLING
OTHER USES
HUMIDIFICATION WITH STEAM
PSYCHOMETRICS
INTRODUCTION
INDEXES
PSYCHOMETRIC CHARTHEATING & COOLING
HUMIDITY
DEW POINT TEMPERATURE
WET-BULB TEMPERATURE
EVAPORATIVE COOLING
OTHER USES
DETERMINING DEW POINT & WET-BULB TEMPERATURE
PSYCHOMETRICS
INTRODUCTION
INDEXES
PSYCHOMETRIC CHARTHEATING & COOLING
HUMIDITY
DEW POINT TEMPERATURE
WET-BULB TEMPERATURE
EVAPORATIVE COOLING
OTHER USES
EVAPORATIVE COOLING
PSYCHOMETRICS
INTRODUCTION
INDEXES
PSYCHOMETRIC CHARTHEATING & COOLING
HUMIDITY
DEW POINT TEMPERATURE
WET-BULB TEMPERATURE
EVAPORATIVE COOLING
OTHER USES
COMFORT ZONE
PSYCHOMETRICS
INTRODUCTION
INDEXES
PSYCHOMETRIC CHARTHEATING & COOLING
HUMIDITY
DEW POINT TEMPERATURE
WET-BULB TEMPERATURE
EVAPORATIVE COOLING
OTHER USES
PASSIVE COOLING
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PSYCHOMETRICS
INTRODUCTION
INDEXES
PSYCHOMETRIC CHARTHEATING & COOLING
HUMIDITY
DEW POINT TEMPERATURE
WET-BULB TEMPERATURE
EVAPORATIVE COOLING
OTHER USES
PASSIVE COOLING
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PSYCHOMETRICS
INTRODUCTION
INDEXES
PSYCHOMETRIC CHARTHEATING & COOLING
HUMIDITY
DEW POINT TEMPERATURE
WET-BULB TEMPERATURE
EVAPORATIVE COOLING
OTHER USES
PASSIVE COOLING
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PSYCHOMETRICS
INTRODUCTION
INDEXES
PSYCHOMETRIC CHARTHEATING & COOLING
HUMIDITY
DEW POINT TEMPERATURE
WET-BULB TEMPERATURE
EVAPORATIVE COOLING
OTHER USES
PASSIVE & ACTIVE HEATING
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PSYCHOMETRICS
INTRODUCTION
INDEXES
PSYCHOMETRIC CHARTHEATING & COOLING
HUMIDITY
DEW POINT TEMPERATURE
WET-BULB TEMPERATURE
EVAPORATIVE COOLING
OTHER USES
PASSIVE COOLING
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PSYCHOMETRICS
INTRODUCTION
INDEXES
PSYCHOMETRIC CHARTHEATING & COOLING
HUMIDITY
DEW POINT TEMPERATURE
WET-BULB TEMPERATURE
EVAPORATIVE COOLING
OTHER USES
PSYCHOMETRIC CHART SUMMARY