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생리신호 분석을 통한 고령자와 청년층의 온열쾌적감 비교
하병용(Byeong-Yong Ha),김동규(Dong-Gyu Kim),금종수(Jong-Soo Kum),정용현(Yong-Hyun Chung),김덕술(Duck-Sul Kim) 대한설비공학회 2010 대한설비공학회 학술발표대회논문집 Vol.2010 No.6
In this study, It was conducted to compare thermal comfort sensation between young and aged participants for creating space with thermal comfort. The results are belows. The MST of young and aged participants was slowly down with time. It was showed that the change of MST difference of aged participants was higher than that of young participants. It was known that Aged participants felt more stress than young participants the same thermal conditions and the difference of LF/HF of aged was bigger than that of young participants at the low temperature. The analysis of MST, HRV showed that aged participants want to high temperature conditions than young participants.
하병용(Byeong-Yong Ha),김동규(Dong-Gyu Kim),금종수(Jong-Soo Kum),정용현(Yong-Hyun Chung),김덕술(Duck-Sul Kim) 대한설비공학회 2010 대한설비공학회 학술발표대회논문집 Vol.2010 No.6
In this study, It was creating space with thermal comfort for elders. So, It was conducted to compare thermal comfort sensation and mean skin temperature between young and elders. The results are belows. The MST of young and aged participants was slowly down with time. It was showed that the change of MST difference of aged participants was higher than that of young participants. It was known that Aged participants felt more comfortable than young participants the high temperature thermal conditions. The analysis of MST, TSV, CSV showed that aged participants want to high temperature conditions than young participants.
30,000CMH급 폐열회수열교환기 겨울철 성능실험 결과
하병용(Byeong-Yong Ha),임홍석(Hong-Seok Im),김동규(Dong-Gyu Kim),금종수(Jong-Soo Kum),정석권(Seok-Kwon Jeong),정용현(Yong-Hyun Chung),김근오(Geun-Oh Kim),명진필(Jin-Pil Myeong) 대한설비공학회 2009 대한설비공학회 학술발표대회논문집 Vol.2009 No.-
The field of the large volume heat exchanger for wasted heat recovery ventilation system is being expanded enormously seeing as the fact that the quantity of reducing energies are huge due to the large volume heat exchanger for wasted heat recovery system at large buildings and factories, which consume large amount of energies while it has been arising huge amount of losses in Korea because of the lack of technology.
30,000CMH급 폐열회수열교환기 여름철 성능실험 결과
하병용(Byeong-Yong Ha),임홍석(Hong-Seok Im),김동규(Dong-Gyu Kim),금종수(Jong-Soo Kum),정석권(Seok-Kwon Jeong),정용현(Yong-Hyun Chung),김근오(Geun-Oh Kim),명진필(Jin-Pil Myeong) 대한설비공학회 2009 대한설비공학회 학술발표대회논문집 Vol.2009 No.-
The field of the large volume heat exchanger for wasted heat recovery ventilation system is being expanded enormously seeing as the fact that the quantity of reducing energies are huge due to the large volume heat exchanger for wasted heat recovery system at large buildings and factories, which consume large amount of energies while it has been arising huge amount of losses in Korea because of the lack of technology.
여름철 실내 온열환경 조건에 따른 고령자와 청년의 온열감성 비교
하병용(Ha Byeong-Yong),김동규(Kim Dong-Gyu),금종수(Kum Jong-Soo),정용현(Chung Yong-Hyun),김덕술(Kim Duck-Sul) 한국건축친환경설비학회 2010 한국건축친환경설비학회 학술발표대회 논문집 Vol.2010 No.10
In this study, It was conducted to compare thermal comfort sensation between young and aged participants for creating space with thermal comfort. The results are belows. The MST of young and aged participants was slowly down with time. It was showed that the change of MST difference of aged participants was higher than that of young participants. It was known that Aged participants felt more stress than young participants the same thermal conditions and the difference of LF/HF of aged was bigger than that of young participants at the low temperature. The analysis of MST, ECG, EEG showed that aged participants want to high temperature conditions than young participants.
대공간 적용을 위한 태양열 시스템 활용 천정형 공조기 성능 평가
임홍석(Hong-Seok Lim),하병용(Byeong-Yong Ha),김동규(Dong-Gyu Kim),금종수(Jong-Soo Kum),정용현(Yong-Hyun Chung),김근오(Keun-Oh Kim) 대한설비공학회 2010 대한설비공학회 학술발표대회논문집 Vol.2010 No.6
In this study, we have studied a performance evaluation of air handling unit when applied solar system in large space. We stored solar thermal energy to storage tank through solar collectors. Solar thermalenergy is sent to heat exchanger and exchange heat with air in heat exchanger.Heated air is supplied to indoor room through air-handling unit. Result shows temperature characteristics of solar system with Air-Handling Unit and the efficiency of this system.
요철형상의 CFD 해석을 통한 대용량 로타형 폐열회수열교환기 성능에 관한 연구
김동규(Dong-Gyu Kim),하병용(Byeong-Yong Ha),김근오(Kun-Oh Kim),금종수(Jong-Soo Kum),정석권(Seok-Kwon Jeong) 대한설비공학회 2012 설비공학 논문집 Vol.24 No.12
The field of the large volume heat exchanger for wasted heat recovery ventilation system is being expanded enormously seeing as the fact that the quantity of reducing energies are huge due to the large volume heat exchanger for wasted heat recovery system at large buildings and factories, which consume large amount of energies while it has been arising huge amount of losses in Korea because of the lack of technology. To develop large volume waste heat recovery heat exchanger, rotor type heat exchanger was simulated for the surface corrugation. Based on the simulation results produced 30,000 ㎥./h grade waste heat recovery, heat exchanger was performed for the actual experiment. In addition, performance tests exceed the capacity of a large waste heat recovery heat exchanger performance test methods proposed.
이윤호 ( Yun Ho Lee ),우단비 ( Dan Bee Woo ),방진기 ( Jin Ki Bang ),하운구 ( Woon Goo Ha ),박병용 ( Byeong Yong Park ) 한국국제농업개발학회 2015 韓國國際農業開發學會誌 Vol.27 No.2
This study was carried out to estimate the seed characteristics and quality of rice 36 varieties developed in Cambodian Agricultural Research and Development Institute (CARDI). Most Cambodia rice varieties were photosensitive. The thousand grains weight was range 24-31 g, and nonphotosensitive medium rice was higher in 31.4 g, while late rice lowers in 24.2 g. In the grain length was from 7.9 to 10.6 mm, most varieties were extra-long grain type. Grain width was range in 1.77- 2.03mm.The head rice was a significant difference among varieties. The head rice rations were ranged 31-66%. In particular, the Aromatic medium rice was higher of 66.9%, and other varieties were under of 50%. Chalky rates were range of 1.1 - 19.4%. Aromatic medium rice was lower of 1.1%. In contrast, late rice was higher of 3.5%. The protein content range was of 7 - 8%. Overall, most rice were not a significant among varieties. The amylose content range was from 17.2% to 27.3%. Particular, medium rice aroma was lower of 17.2% than in other varieties.