Day 11 - Psychro, Air Mix, Aircon, Cooling Tower, Dryer

Psychrometric Chart: Temperature and RH at Comfort

Temperature = 24 Celsius

RH = 60%

Psychrometric Chart: Pressure

Psychrometric Chart: Specific Volume

Psychrometric Chart: Humidity Ratio

Psychrometric Chart: Enthalpy

H = Ha + Hv

Psychrometric Chart: hg in SI and English

SI: hg = 2500 + 1.88 (Tdb)

Eng: hg = 1061 + 0.45 (Tdb)

Psychrometric Chart: Relative Humidity

Psychrometric Chart: Magnus/Lilly Equation (Temperature)

Tdb → Psat

Twb → Pwet

Tdb → Pvapor

Psychrometric Chart: Magnus/Lilly Equation (Pvapor)

Tdb and Twb = F

Psychrometric Chart: Percent Saturation

Psychrometric Chart: Wet Bulb Depression

Air Mixing: Diagram with Heat, Moisture, and Temp Balance

Air Mixing: Bypass Factor of Heating and Cooling Coil

Air Mixing: Bypass Factor if more than one coil

BFn = BF^n

n = # coil

Air Conditioner: Refrigerating Effect

Air Conditioner: Volume of Air

Air Conditioner: Moisture Removal

Cooling Tower: Range

Range = ta - tb

ta = water entering temp

tb = water leaving temp

Cooling Tower: Approach

Approach = tb - twb1

tb = water leaving temp

twb1 = air entering wet bulb temp

Cooling Tower: Efficiency with Diagram

Cooling Tower: Moisture Removed

Cooling Tower: Heat Removed from Water

Cooling Tower: Heat received by Air

Cooling Tower: Water and Heat Balance

Cooling Tower: Make up Water

Cooling Tower: % Make up Water

Aircon Load: Sensible Heat

Aircon Load: Latent Heat

Aircon Load: Total Heat Load

Aircon Load: Sensible Heat Factor

Aircon Load: Air Conditioner Capacity

Aircon Load: Air mixing of outside and re-circulated air

Aircon Load: Balance of No Air Mix

moh3 + mrh2 = msh1 + RE

Aircon Load: Ventilation Load

Aircon Load: Recirculated Load

RL = mr (h2 - h1)

Dryer: Diagram

Dryer: Moisture removed from materials

Dryer: Heat supplied by heater

Dryer: Efficiency

Dryer and Aircon Load: Latent Heat

LH = 2442 kj/kg-K

Dryer: Wet and Dry Basis in terms of a b %

Dryer: Wet and Dry Basis in terms of Moisture