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Field studies on the environmental conditions and occupant comfort were carried out in air-conditioned buildings and non air-conditioned buildings in Malaysia. The study on the air-conditioned buildings was carried out in UNITEN and for the non air-conditioned buildings in two schools, which is a primary and secondary school, and in a public waiting area in a health clinic in Johor Bahru, located...
Waste wood, a renewable energy source is used as feedstock for Universiti Teknologi Malaysia's newly-developed two-stage incinerator system. The research goals are to optimize the operation of the thermal system, to improve its combustion efficiency and to minimize its pollutants formation. During experimental work, the feedstock will undergo four different processes; drying, devolatilisation, gasification...
Renewable energy is one of the vital sources to meet partially the global energy demand of developed as well as developing countries. Biogas plant can be one of the major sources of renewable energy in Malaysia as huge amount of palm oil waste is available. Biogas plant can be of different types of which fixed dome and floating cover are in use in many countries for many years. The bag design is becoming...
Mineral wool is among the commonly used conductive insulation material for building insulation. Studies on insulated building envelope in temperate climate have shown potential energy savings towards attaining energy efficient buildings and sustainable built environment. To date, there is no empirical data on the benefits of insulated building envelope in warm humid tropical climate. Such data would...
Time series analysis has been applied intensively and sophisticatedly to model and forecast many problems in the biological, physical and environmental phenomena of interest. This fact accounts for the basic engineering problem in forecasting the daily peak system load to use time series analysis. ARMA and REgARMA models are among the times series models considered. ANFIS, a hybrid model from neural...
Since its independence in 1957, Malaysia has gone a long way in developing its economy and infrastructures. As one of the fast growing developing nations, its world renowned infrastructures include the Petronas Twin Tower, SMART tunnel and Bakun hydro dam. A key component that enables this growth is its secure, affordable and reliable electricity sector. Eventhough the initial electricity facilities...
Energy is one of the indispensable factors for continuous development and economic growth. The industrial sectors consume a significant amount of energy in Malaysia. This paper is investigated and analyzed the energy use in industrial boilers fan motor, energy savings and emission reduction in Malaysia by using energy audit data. Energy savings using VSD by modulating fan speed has been estimated...
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