Latest HVAC News
Coil Load Calculation Example
Determine the minimum cooling coil load and required chilled water flow for…
Psychrometric Representation for Draw-through AHU Arrangement
We have learnt that when both the RSHF and GSHF ratio lines…
Air Quantity
The air quantity required offsetting simultaneously the room sensible and latent loads…
Grand Sensible Heat Factor (GSHF)
Grand Sensible Heat Factor is the ratio of the total sensible heat…
Room Sensible Heat Factor (RSHF)
The room sensible heat factor (RSHF) represents the psychrometric process of the…
WINTER MODE HEATING PROCESS
The schematic diagram below shows a typical plant system for winter heating.
SUMMER MODE AIR CONDITIONING PROCESS
A basic air-conditioning schematic for summer mode is shown below: Here, return…
PSYCHROMETRIC PROCESS AS APPLICABLE TO DIFFERENT REGIONS
There are generally four extreme climatic conditions that may involve an airconditioning…
Mixing Process (Steady Flow)
When two streams of air with different properties and flow rates are…




