Air Conditioning Experiment Essay

6021 Words May 21st, 2015 25 Pages
8Th November 2014
8Th November 2014
Daniel Loftus
P11267317
Mechanical Engineering Third Year
ENGD3036-2015-Y Plant Analysis and Sustainability:
An Investigation into the characteristic of an Air-Conditioning Plant

For the Attention of Dr. H. Rajakaruna
Table of Contents Objectives of the experiment 2 Experiment Apparatus 2 2 Data/Results 2 First Data Sheet 2 Second Data Sheet 2 Part-1 2 Part-2 2 Part-3 2 Part-4 2 Part 5 2 2 Discussion 2 Part One 2 Part Two [Research and Review] 2 Research and Review into Air-Conditioning Plants 2 Energy Issues 2 Health Issues 2 Policies 2 Conclusions 2 References 2 Appendices Error! Bookmark not defined.

Objectives of the experiment
The
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njection [DBT] | T3 | 0C | 34.8 | 34.6 | 34.2 | 34.53 | B | After Pre-heat or Steam injection [WBT] | T4 | 0C | 26.1 | 26 | 25.9 | 26 | C | After Cooling/ Dehumidification [DBT] | T5 | 0C | 20 | 19.9 | 19.9 | 19.93 | C | After Cooling/ Dehumidification [WBT] | T6 | 0C | 18.8 | 18.7 | 18.5 | 18.67 | D | After Re-Heating [DBT] | T7 | 0C | 35.3 | 35.3 | 34.8 | 35.13 | D | After Re-heating [WBT] | T8 | 0C | 23.3 | 23.3 | 23 | 23.20 | | Supply volts | VL | V | 232 | 232 | 232 | 232 | | Duct differential pressure | Z | mmH2O | 4.5 | 4.5 | 4.7 | 4.57 | | Fan supply voltage | VF | V | 138 | 139 | 139 | 138.667 | | Condensate collected | me | ml | 150 | 160 | 160 | 156.67 | | Condensate collection - Time interval | x | s | 300 | 300 | 300 | 300 | | R134a mass flow rate | ref | g/s | | | | |
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System Heater Resistances First Data: Boiler, Lower 2kW | Rb | | 24.8 | Boiler, Upper 2kW | Rb | | 23.9 | Boiler, 1kW | Rb | | 58.7 | 1st Pre-Heater 1kW | RP | | 47.3 | 2nd Pre-Heater 1kW | RP | | 47.4 | 1st Re-Heater 1kW | Rr | | 47.7 | 2nd Re-Heater 1kW | Rr | | 47.3 |
Second Data Sheet | Test Reference [Second Data Set] | | | Start | End | Mean | A | Air at Fan inlet [DBT] | T1 | 0C | 25.1 | 25.5 | 25.3 | A | Air at Fan inlet [WBT] | T2 | 0C | 17.4 | 17.1 | 17.25 | B | After Pre-heat or Steam injection [DBT] | T3 | 0C | 40.6 | 41 | 40.8 | B | After Pre-heat or Steam injection [WBT] | T4 | 0C | 28.2 | 28.3 |…