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This paper lists methods for tuning and enhancing thermal conductivity. Heat transfer applications have a lot of challenges such as, raise the thermal conductivity, control thermal conductivity to be changeable within the same application, and working in very accurate applications like micro combustors and electronic etc. All these requirements couldn’t be achieved by the traditional methods of heat transfer. Therefore, a lot of techniques which are related mainly to the nanotechnology are working on these issues. In this paper we will subjected to some of the methods of tuning thermal conductivity in order to control the heat transfer process. |