Recent content by cktan22

  1. C

    Undergrad Static pressure in Air Handling Unit

    what i mean is, the static pressure for hot return air ( red colour arrow) and the static pressure for cold supply air ( blue colour) in the AHU as shown in the picture. What is the effect if the static pressure for blue colour arrow is greater than red colour arrow and vice-versa? thank for...
  2. C

    Undergrad Static pressure in Air Handling Unit

    what will happen if static pressure in supply duct is higher than the fan compartment in AHU?? or vice-versa thanks
    • cktan22
    • Thread
    • Air Pressure Static Static pressure Unit
    • Replies: 3
    • Forum: Mechanics
  3. C

    High School Determine air conditioning cooling time

    room size : 3 m x 7 m, height 3 m heat load : 10000 btu/h cfm : 644 velocity: 6 m/s temperature : from 30 celsius to 22 celsius chilled water flow rate : 30.8 liter/minute altitude : sea level
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    High School Determine air conditioning cooling time

    how can i calculate the require time for an air-conditioning unit to cool from 30 degree celsius to 22 degree celsius? others parameter can be ignore, i would like to know the formula used and the principal of calculation. thanks