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Posted inThermodynamics
Methods for estimating properties of moist air
In order to perform air conditioning calculations, it is essential first to estimate various properties…
Posted inThermodynamics
Amagat’s & Dalton’s Law
Amagat’s Law The volume of an ideal gas mixture (V) is equal to the sum…
Posted inThermodynamics
MASS AND MOLE FRACTION
If we want to deal with the problems of gas mixture, two laws should always…
Posted inHVAC
Coil Load Calculation Example
Determine the minimum cooling coil load and required chilled water flow for a system serving…
Posted inHVAC
Psychrometric representation for blow-through AHU
Summarizing, draw-through units typically require 10% more supply air than blow through systems for the…
Posted inHVAC
Psychrometric Representation for Draw-through AHU Arrangement
We have learnt that when both the RSHF and GSHF ratio lines are plotted on…
Posted inHVAC
Air Quantity
The air quantity required offsetting simultaneously the room sensible and latent loads and the air…
Posted inHVAC
Grand Sensible Heat Factor (GSHF)
Grand Sensible Heat Factor is the ratio of the total sensible heat to the grand…
Posted inHVAC
Room Sensible Heat Factor (RSHF)
The room sensible heat factor (RSHF) represents the psychrometric process of the supply air within…
Posted inHVAC
APPLICATION OF PSYCHROMETRICS TO COOLING COIL SIZING
Sensible Heat V/s Latent Heat Sensible Heat is the heat content causing an increase in…