Development of teaching aid device to enhance technologist understanding on the second law of thermodynamics using pugh's method

Mohd Hamdan, Muhammad Hafiz Hamizi (2019) Development of teaching aid device to enhance technologist understanding on the second law of thermodynamics using pugh's method. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

The understanding of the Second Law of Thermodynamic has become one of a crucial requirement for the engineers especially those which involve in the refrigeration system as it was the basic knowledge for the system. This project is expected to design a portable teaching aid device that able to carry out the concept of the Second Law of Thermodynamic refrigeration system. As an engineer, it is important to understand the Thermodynamic as it is involved everywhere, as it involved with the processes of any engines that all follow some or the other thermodynamics laws whereby the engine is a mechanism to transfer the energy to another part. Also, thermodynamics principles are applied by mechanical engineers in the fields of heat conversion and analysis of refrigeration cannot be done if lacking in the knowledge of thermodynamics. The refrigeration system had become of the source that effects the global warming as the Hydrofluorocarbon (HFC) which the bad is they trap thousands of times as much heat in the atmosphere as carbon dioxide. All of the component in the refrigeration system also need to be learn in order to improvise the existing system and made a better health style in the community. The Pugh method is involved in the design process to pick out the best concept to design the teaching aid device. There is three sub-component of the refrigeration system in the teaching aid device that will be conducted to compare the coefficient of performance (COP) of the system to give a clearer picture of how the system working. The moving mechanism such as the fan and the light-emitting diode will be support and controlled by the Arduino in the circuit with a programmable code applied.

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