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열전소자 기반 에너지 하베스팅 블록의 배열에 따른 발전량 분석
정재원(Jae-Won Joung),강용권(Yong-Kwon Kang),김민성(Min-seong Kim),권택돈(Taek-Don Kwon),정재원(Jae-Weon Jeong) 대한설비공학회 2022 대한설비공학회 학술발표대회논문집 Vol.2022 No.6
The purpose of this study is to analyze the amount of power generation according to the arrangement of energy harvesting blocks installed instead of building exterior walls. The energy harvesting block is an energy recovery system that combines a thermoelectric generator and phase change material. The thermoelectric generator can generate the power from the waste heat of the building exterior wall by the Seebeck effect. Phase change materials store waste heat of the exterior wall of the building during the day and radiant heat is performed at night. To predict the amount of power generation, an experiment was conducted with the average building exterior wall surface temperature profile in November. A Peltier plate was attached to the energy harvesting block and used to establish the exterior wall surface temperature profile. As a result, the maximum power was 0.119W, which was the largest in the parallel arrangement, It is also indicated that the total amount of electricity generated per day, the parallel arrangement generated the largest amount of power at 0.535Wh/day.
열전소자 기반 에너지 하베스팅 블록의 배열에 따른 발전량 분석
정재원(Jae-Won Joung),강용권(Yong-Kwon Kang),김민성(Min-seong Kim),권택돈(Taek-Don Kwon),정재원(Jae-Weon Jeong) 대한설비공학회 2022 대한설비공학회 학술발표대회논문집 Vol.2022 No.6
The purpose of this study is to analyze the amount of power generation according to the arrangement of energy harvesting blocks installed instead of building exterior walls. The energy harvesting block is an energy recovery system that combines a thermoelectric generator and phase change material. The thermoelectric generator can generate the power from the waste heat of the building exterior wall by the Seebeck effect. Phase change materials store waste heat of the exterior wall of the building during the day and radiant heat is performed at night. To predict the amount of power generation, an experiment was conducted with the average building exterior wall surface temperature profile in November. A Peltier plate was attached to the energy harvesting block and used to establish the exterior wall surface temperature profile. As a result, the maximum power was 0.119W, which was the largest in the parallel arrangement, It is also indicated that the total amount of electricity generated per day, the parallel arrangement generated the largest amount of power at 0.535Wh/day.
열전소자 기반 에너지 하베스팅 블록의 배열에 따른 발전량 분석
정재원(Jae-Won Joung),강용권(Yong-Kwon Kang),김민성(Min-seong Kim),권택돈(Taek-Don Kwon),정재원(Jae-Weon Jeong) 대한설비공학회 2022 대한설비공학회 학술발표대회논문집 Vol.2022 No.6
The purpose of this study is to analyze the amount of power generation according to the arrangement of energy harvesting blocks installed instead of building exterior walls. The energy harvesting block is an energy recovery system that combines a thermoelectric generator and phase change material. The thermoelectric generator can generate the power from the waste heat of the building exterior wall by the Seebeck effect. Phase change materials store waste heat of the exterior wall of the building during the day and radiant heat is performed at night. To predict the amount of power generation, an experiment was conducted with the average building exterior wall surface temperature profile in November. A Peltier plate was attached to the energy harvesting block and used to establish the exterior wall surface temperature profile. As a result, the maximum power was 0.119W, which was the largest in the parallel arrangement, It is also indicated that the total amount of electricity generated per day, the parallel arrangement generated the largest amount of power at 0.535Wh/day.
초음파 미세분사형 액체식 제습 기술 기반 환기시스템 설계
이수진(Soo-Jin Lee),이재희(Jae-hee Lee),정재원(Jae-Won Joung),권택돈(Taek-Don Kwon),정재원(Jae-Weon Jeong) 대한설비공학회 2022 대한설비공학회 학술발표대회논문집 Vol.2022 No.6
The purpose of this study is to design of the ultrasonic atomized liquid desiccant-assisted ventilation system. The ventilation system was operated to remove the latent load in the building, and the ultrasonic atomized liquid desiccant system was used to dehumidify the hot and humid outdoor air. The dehumidification performance and thermal load of the system were evaluated under various liquid-to-gas ratio (L/G ratio) and droplet size of each absorber and regenerator by the simulation. The results indicated that the proposed system was operated stably with balanced dehumidification and regeneration when 0.4 and 0.6 L/G ratio and 50 and 50μm droplet size in the absorber and regenerator, respectively. The humidity ratio of the supply air was below 0.010 kg/kg and solution concentration was maintained approximately from 33 to 35.5% during summer season under the proposed design conditions of the absorber and regenerator.
길부관(Bu Kwan Kil),손호진(Ho Jin Son),김보문(Bo Mun Kim),정재원(Jae Won Joung),김정규(Jeong Kyu Kim) 대한두경부종양학회 2018 대한두경부 종양학회지 Vol.34 No.2
Chondroid choristomais a rare tumor like lesion of normal tissue in an unusual location. Oral cavity chondroid choristoma is exceedingly uncommon. This lesion is commonly covered by normal oral mucosa and can develop during a whole lifetime. We experienced a case of 57-year-old man who presented as 6-months history of asymptomatic mass on the dorsal surface of the tongue. We performed surgical excision under local anesthesia, and the pathological diagnosis was chondroid choristoma. After surgery, patient was followed up without any recurrence and discomfort. Therefore, we report this case with a review of literature.
수냉식 열전 복사 패널의 냉방 성능 개선을 위한 설계 인자 영향도 분석
김민성(Minseong Kim),강용권(Yong-Kwon Kang),박효림(Hyo-Lim Park),김범준(Beom-Jun Kim),정재원(Jae-Won Joung),정재원(Jae-Weon Jeong) 대한설비공학회 2022 대한설비공학회 학술발표대회논문집 Vol.2022 No.11
This study aimed to analyze design factors to improve cooling performance of hydraulic thermoelectric radiant cooling panel (hTERCP) by parametric simulation. The simulation were conducted to examine desirable flow rate and temperature of cooling water produced by free cooling systems, and to analyze an influence of heat exchange area between cooling panel and conditioned zone, heat exchange rate and thermal resistance of heat sink. The results showed that the temperature of cooling water as heat removal factor and heat exchange area between panel and zone have great impact on the cooling performance of the panel. On the other hand, the flow rate of cooling water, and heat exchange rate and thermal resistance of heat sink have relatively less impact on the cooling performance of the panel.