Engineering and Information Technology Collected Works - Theses
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ItemModelling wavelength-dependence of optical gain and ultrafast behaviour in semiconductor lasers(University of Melbourne, 1997)
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ItemObject-oriented concepts for land and geographic information systems(University of Melbourne, 1991)
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ItemStability of boreholes in saturated porous anisotropic shales(University of Melbourne, 1996)
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ItemAn ice thermal storage computer model(University of Melbourne, 1999)Thailand is located in a tropical area in which the weather is hot and humid. The use of air conditioning equipment can be found in every commercial or industrial building. The conventional air conditioning system is the most favored option. Ice thermal storage option however is an alternative for energy cost saving. There are two means of operating ice thermal storage, namely full storage and partial storage. Ice is formed at night where the ambient temperature is lower than the day time temperature and there is a possibility of energy saving due to the lower ambient temperature. A computer model has been developed in order to compare the energy use in the conventional air cooling system and ice thermal storage system. Control strategies for ice thermal storage are also presented. The results from the simulations show that the full ice thermal storage can save energy cost up to 55% when compared with the conventional system. On the other hand, the partial ice thermal storage consumes more energy than the conventional system but may be cost effective with Time of Use tariffs.