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Experimental Evaluation of Zero Energy PG Office Under Natural and Forced Ventilation

Ragab Mousa, Mahmoud Shehata AbdAlfatah (2016) Experimental Evaluation of Zero Energy PG Office Under Natural and Forced Ventilation. IRC, Universiti Teknologi PETRONAS. (Submitted)

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Abstract

With the rapid rise of energy consumption in the world, lowering the energy needs of our houses and buildings can have a significant effect on our future. Up to 66% of our household energy consumption can be reduced by using passive design techniques like natural ventilation discussed in this project. The effectiveness of the natural and forced ventilation systems of the present zero-energy house is to be studied experimentally and discussed in this project. The main aim of such systems is to achieve thermal comfort without using any energy from the grid. In this project, thermal comfort is measured using Fanger’s PMV method in accordance with ASHRAE standards. The method depends on air temperature, radiant air temperature, relative humidity, activity level and clothing levels. Data collection is carried out for 4 days under each system and the resulting thermal comfort then calculated. Using the forced ventilation system drops the maximum air temperature by 6oC and improves the thermal comfort by 46%. Although the achieved thermal comfort is not within ASHRAE-55 standards, the results show a considerable improvement in thermal comfort without the use of the grid’s energy. Further study into the construction of the office is needed to achieve thermal comfort levels within the accepted levels by ASHRAE-55 standards.

Item Type: Final Year Project
Academic Subject : Academic Department - Mechanical Engineering - Materials - Engineering materials - Metals alloys - Fabrication
Subject: T Technology > TJ Mechanical engineering and machinery
Divisions: Engineering > Mechanical
Depositing User: Ahmad Suhairi Mohamed Lazim
Date Deposited: 19 Oct 2016 09:09
Last Modified: 25 Jan 2017 09:34
URI: http://utpedia.utp.edu.my/id/eprint/16875

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