Abstract
Waste heat recovery is one way to reduce the use of fossil fuels, one of them is by using thermoelectric generator to convert waste heat into Thermoelectric Generator (TEGs) is a module that can convert heat into electrical power directly, using Seebeck effect and Peltier effect as its working principle, so it can increase efficiency of energy consumption by utilizing waste heat from an instrument that generate waste heat. The focus of this research is to find the output voltage of TEG by utilizing the temperature difference on the cold side and the heat side of the TEGs. The heat side of the module will be given heat from the heater as a simulation of the heat from hot water, and on the cold side heat pipes will be used to remove the heat on the cold side of TEGs. The result, output voltage that generated by using 4 module TEGs that arranged to Thermal Series - Series Circuit and using 2 heat pipes is 2.1-volt, and then it is possible to use for phone charger.
Highlights
The world's energy needs are increasing as the population increases and is due to developments in various industries
Heat from the heater will be used as a heat source on the hot side of the thermoelectric generators (TEGs) module, and the cold side the TEG module will be cooled using heat pipe by free convection
TEG module will be tested by varying the arrangement as shown in Figure 2 using 1, 2, and 4 TEG modules, so there will be nine arrangements to be tested
Summary
The world's energy needs are increasing as the population increases and is due to developments in various industries. Since the Industrial Revolution in the 19th century, the concentration of carbon dioxide in the atmosphere has increased significantly, from 280 parts per million (ppm) to 401 ppm [2] Another issue to note is the depletion of fossil fuel reserves that are constantly being used. With the amount of energy wasted in the form of heat wasted into the environment, increasing thermal efficiency needs to be done, one of them by using a thermoelectric module generator that can directly. The exhaust heat recovery system is useful for exploiting the wasted heat to be converted into electrical power This electric power can be used to charge the car battery in order to reduce the load of the car alternator thereby potentially reducing fuel consumption, so CO2 emissions have the potential to decrease [6]. The purposes of this research are to determine the amount of electrical energy that can be produced, the efficiency of thermoelectric module used, and the best configuration of thermoelectric
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