HVAC 3 min read
Psychrometric representation for blow-through AHU
Summarizing, draw-through units typically require 10% more supply air than blow through systems for the same temperature off the cooling…
THE ARTICLE LIBRARY
All stories.
Ideas and explainers from across SenseCentral.
HVAC 2 min read
Psychrometric Representation for Draw-through AHU Arrangement
We have learnt that when both the RSHF and GSHF ratio lines are plotted on the psychrometric chart, the intersection…
HVAC 4 min read
Air Quantity
The air quantity required offsetting simultaneously the room sensible and latent loads and the air quantity required through the apparatus…
HVAC 2 min read
Grand Sensible Heat Factor (GSHF)
Grand Sensible Heat Factor is the ratio of the total sensible heat to the grand total heat load that the…
HVAC 2 min read
Room Sensible Heat Factor (RSHF)
The room sensible heat factor (RSHF) represents the psychrometric process of the supply air within the conditioned space. Room Sensible…
HVAC 2 min read
APPLICATION OF PSYCHROMETRICS TO COOLING COIL SIZING
Sensible Heat V/s Latent Heat Sensible Heat is the heat content causing an increase in dry-bulb temperature. Latent Heat is…
HVAC 1 min read
WINTER MODE HEATING PROCESS
The schematic diagram below shows a typical plant system for winter heating.
HVAC 1 min read
Bypass Factor
In most cooling applications, the air leaving the cooling coil is not entirely saturated since some air does not come…
HVAC 1 min read
SUMMER MODE AIR CONDITIONING PROCESS
A basic air-conditioning schematic for summer mode is shown below: Here, return air from the conditioned space (2) mixes with…
HVAC 2 min read
PSYCHROMETRIC PROCESS AS APPLICABLE TO DIFFERENT REGIONS
There are generally four extreme climatic conditions that may involve an airconditioning system. 1. Hot and Humid (e.g. Miami) where both…