Hvac

UNIVERSITI TEKNIKAL MALAYSIA MELAKA THERMAL FLUID LABORATORY 3: body of water supply cooling system Tower System-Experiment 2

No Dokumen TB/MPU/BMCY4931/2 No Semakan/Tarikh XX/XX-XX-XXXX

No Isu./Tarikh 1/09-08-2011 Jumlah Mukasurat

4

1.0 OBJECTIVES To investigate the effect of publicise fastness on: 1) Wet bulb approach 2) The pressure put away cloth through the packing 2.0 WATER COOLING TOWER frame-up (MODEL: HE 152)
Air out T3 T4 orifice T5 Water distributor

V4

V6 High

V5 number one DP 1

Atm FT1 Flow meter V1 Make-up cooler

V3 jam-packed column

T1 Air in

T2 T6

T7 V2

V7 T8 TC Air blower Receiver tank Temp controller Heater V8 Drain Pump tempestuous water tank

Figure 1 Schematic Diagram of the Water Cooling Tower

1

3.0 FORMULAE (a) Approach to miffed bulb= Outlet wet bulb temperature Inlet wet bulb temperature (b) x = opening Differential Pressure in mm piddle = Orifice Differential Pressure in Pa x 1mm water/10.13 Pa = 10.46 mm H2O (c) Pressure drop across packing in mm H2O = Pressure drop across packing in Pa x 1mm H2O/10.13 Pa = 10.46 mm H2O (d) (e) Specific volume of air at release, vB can be obtained by using the Psychrometric graph provided (Plotting air outlet dry bulb and air outlet wet bulb temperatures). (f) (g) A= cross sectional playing area 4.



0 GENERAL PROCEDURES 4.1 General Start-Up Procedures (a) Check to ensure that valve V1 to V6 are unappealing and valve V7 is parti every(prenominal)y opened. (b) Fill the alloy tank with distilled or deionised water. It is through with(p) by first removing the makeup tank and then gushing(a) the water through the opening at the top of the load tank. Replace the make-up tank onto the load tank and lightly tighten the nuts. Fill the tank with distilled or deionised water up to he zero mark on the scale. (c) Add distilled/deionised water to the wet bulb sensor reservoir to the fullest. (d) Connect all assign tubing to the differential pressure sensor. (e) Install the appropriate cooling tower packing for the experiment. (f) Then, set the temperature set arrest of...If you want to get a full essay, order it on our website: Orderessay



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