The sensible heat factor during cooling and dehumidification process is given by (where h₁ = Enthalpy of air entering the cooling coil, h₂ = Enthalpy of air leaving the cooling coil, and hA = Enthalpy of air at the end of dehumidification process)

Refrigeration and Air Conditioning
The sensible heat factor during cooling and dehumidification process is given by (where h₁ = Enthalpy of air entering the cooling coil, h₂ = Enthalpy of air leaving the cooling coil, and hA = Enthalpy of air at the end of dehumidification process)

(h2 - hA)/ (h1 - h2)

(h1 - h2)/ (hA - h2)

(hA - h1)/ (h2 - h1)

(hA - h2)/ (h1 - h2)

(h2 - hA)/ (h1 - h2)

(h1 - h2)/ (hA - h2)

(hA - h1)/ (h2 - h1)

(hA - h2)/ (h1 - h2)

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Refrigeration and Air Conditioning
The C.O.P. of a refrigeration cycle with lowering of condenser temperature, keeping the evaporator temperature constant, will

Remain unaffected

Increase

Decrease

May increase or decrease depending on the type of refrigerant used

Remain unaffected

Increase

Decrease

May increase or decrease depending on the type of refrigerant used

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Refrigeration and Air Conditioning
The comfort conditions in air conditioning are at (where DBT = Dry bulb temperature, and RH = Relative humidity)

25°C DBT and 40% RH

20°C DBT and 80% RH

25°C DBT and 100% RH

22°C DBT and 60% RH

25°C DBT and 40% RH

20°C DBT and 80% RH

25°C DBT and 100% RH

22°C DBT and 60% RH

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Refrigeration and Air Conditioning
The humidification process, on the psychrometric chart is shown by

Horizontal line

Vertical line

Inclined line

Curved line

Horizontal line

Vertical line

Inclined line

Curved line

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Refrigeration and Air Conditioning
The reciprocating refrigerant compressors are very suitable for

Large displacements and high condensing pressures

Small displacements and high condensing pressures

Large displacements and low condensing pressures

Small displacements and low condensing pressures

Large displacements and high condensing pressures

Small displacements and high condensing pressures

Large displacements and low condensing pressures

Small displacements and low condensing pressures

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Refrigeration and Air Conditioning
The vapour compression refrigerator employs the following cycle

Reversed Carnot

Rankine

Carnot

Reversed Rankine

Reversed Carnot

Rankine

Carnot

Reversed Rankine

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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning The sensible heat factor during cooling and dehumidification process is given by (where h₁ = Enthalpy of air entering the cooling coil, h₂ = Enthalpy of air leaving the cooling coil, and hA = Enthalpy of air at the end of dehumidification process)

Refrigeration and Air Conditioning The C.O.P. of a refrigeration cycle with lowering of condenser temperature, keeping the evaporator temperature constant, will

Refrigeration and Air Conditioning The comfort conditions in air conditioning are at (where DBT = Dry bulb temperature, and RH = Relative humidity)

Refrigeration and Air Conditioning The humidification process, on the psychrometric chart is shown by

Refrigeration and Air Conditioning The reciprocating refrigerant compressors are very suitable for

Refrigeration and Air Conditioning The vapour compression refrigerator employs the following cycle

Refrigeration and Air Conditioning
The sensible heat factor during cooling and dehumidification process is given by (where h₁ = Enthalpy of air entering the cooling coil, h₂ = Enthalpy of air leaving the cooling coil, and hA = Enthalpy of air at the end of dehumidification process)

Refrigeration and Air Conditioning
The C.O.P. of a refrigeration cycle with lowering of condenser temperature, keeping the evaporator temperature constant, will

Refrigeration and Air Conditioning
The comfort conditions in air conditioning are at (where DBT = Dry bulb temperature, and RH = Relative humidity)

Refrigeration and Air Conditioning
The humidification process, on the psychrometric chart is shown by

Refrigeration and Air Conditioning
The reciprocating refrigerant compressors are very suitable for

Refrigeration and Air Conditioning
The vapour compression refrigerator employs the following cycle