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Realization of Water Flow Control System with Remoted Electrical Valve for Smart Fish Farm
Myeong Jin Seo(서명진),Ji Young Kim(김지영),Su Min Lee(이수민),Amarnathvarma Angani(아마르나스바르마 앙가니),Kyoo jea Shin(신규재) 대한전자공학회 2019 대한전자공학회 학술대회 Vol.2019 No.6
In this paper aim to realization of water control system with electrical valve for smart fish farm, this smart fish farm is run without any human involvement , which means control temperature, pH, oxygen, and water level in this case wasting high quantity of water and spending more money for maintenance purpose. From this point of view we proposed new aquaculture system with electrical valve, that system is called a vertical aquarium management system. The purpose of the electrical valve is to regulate the flow and to maintain the constant temperature of water in the aquarium. After attaining the required water level and temperature level, the electrical valve will be automatically closed to stop the water inflow. This electrical valve is controlled by level sensors and temperature sensors that are attached to the tanks. Advantages of the electrical valve are Selfcleaning and low maintenance cost of the aquarium. This process is operated by a micro-controller. This electrical valve is specially designed to meet the requirements of the vertical aquarium energy management system (VAEMS).
Thermal Management System in Electric vehicle Battery Pack Using Phase Change Material
Him Chan Kim(김힘찬),Eui song Kim(김의송),Hyeon Jung Lee(이현중),Myeong JIn Seo(서명진),Teressa(테레사),Amarnathvarma Angani(아마르나스바르마 앙가니),Kyoo Jae Shin(신규재) 대한전자공학회 2019 대한전자공학회 학술대회 Vol.2019 No.6
Thermal Management in the Electric Vehicel is essential to improve the battery performance. This paper aims at the investigating the performance of Phase Change Material to prevent the thermal runway in the EVs. The better phase change materials are identified through simulation, based on heat transfer rate through the PCM. The design of the battery module was done in auto cad and the analysis done in ANSYS CFD software. The three pcms like paraffin wax, RT and Expanded Graphite were selected for the comparison. From the simulation result it was identified that the battery pack temperature maximum is not beyond the 60℃ (safe operating temperature range) in all test condition with the Expanded Graphite pcm material. The results were validated with numerical calculation and shown good agreement based on data collected at different temperatures.