Air Conditioning Experiment

6001 words 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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ing/ Dehumidification [WBT] | T6 | 0C | 21.5 | 21.4 | 21.45 | D | After Re-Heating [DBT] | T7 | 0C | 39.7 | 39.3 | 39.5 | D | After Re-heating [WBT] | T8 | 0C | 25.5 | 25.4 | 25.45 | | Supply volts | VL | V | 238 | 238 | 238 | | Duct differential pressure | Z | mmH2O | 4.5 | 4.5 | 4.5 | | Fan supply voltage | VF | V | 138 | 138 | 138 | | Condensate collected | me | ml | 265 | 265 | 265 | | Condensate collection - Time interval | x | s | 600 | 600 | 600 | | R134a mass flow rate | ref | g/s | | | |

[4]
[4]
System Heater Resistances Second Data: Boiler, Lower 2kW | Rb | W | 25.3 | Boiler, Upper 2kW | Rb | W | 25.7 | Boiler, 1kW | Rb | W | 58.8 | 1st Pre-Heater 1kW | RP | W | 47.3 | 2nd Pre-Heater 1kW | RP | W | 47.4 | 1st Re-Heater 1kW | Rr | W | 47.7 | 2nd Re-Heater 1kW | Rr | W | 47.3 |

Part-1
Determine the dry air flow of rate through the system using the inclined manometer and the following equation: [kgdry_air/s] z = Orifice differential [duct differential pressure] (mmH2O)
First Data Set (Experimental Data): *

* Z=4.57mmH20

* vD=0.891m3kg-1

* ma=0.0517ZvD

* ma=0.05174.570.891

* ma=0.117087 [kgdry_air/s]

First Data Set (Experimental Data): *

* Z=4.57mmH20

* vD=0.891m3kg-1

* ma=0.0517ZvD

* ma=0.05174.570.891

* ma=0.117087 [kgdry_air/s]

vD = specific volume at section D obtained from psychrometric chart

Second Data Set: *

*

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