Room Sensible Heat Factor - RSHF

Room Sensible Heat Factor - RSHF - is defined as sensible heat load divided by total heat load in a room

The Room Sensible Heat Factor - RSHF - expresses the ratio between sensible heat load and total heat load in a room. It can be expressed as:

RSHF = Qsr / Qtr         (1)

where

RSHF = room sensible heat factor

Qsr = sensible heat load in room (kW, Btu/hr)

Qtr = total heat load in room (kW, Btu/hr)

(1) can be modified to:

RSHF = cp (tr - ti) / (hr - hi)         (2)

where

cp = specific heat capacity of air (kJ/kg.oC)

tr = room temperature (oC)

ti = inlet temperature (oC)

hr = room enthalpy (kJ/kg)

hi = inlet enthalpy (kJ/kg)

Example - Room Sensible Heat Factor - RSHF

The sensible heat generated within a room is 4 kW. The latent heat generated is 1.4 kW.

The Room Sensible Heat Factor can be calculated as:

RSHF = (4 kW) / ((4 kW) + (1.4 kW))

= 0.75

Related Topics

  • Air Psychrometrics - The study of moist and humid air - psychrometric charts, Mollier diagrams, air-condition temperatures and absolute and relative humidity and moisture content

Related Documents

Tag Search

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