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김한영(Kim Han-Young),신재렬(Shin Jae-Ryul),김대영(Kim Dae-Young) 대한건축학회 2011 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.31 No.2(구조계)
This paper describes the results of the performance analysis of the airfoil-shaped concentration device installed above a building for BiWP(Building-integrated Wind Power) which recently attracts attention as a local power. The effects of the airfoil-shaped concentration device above a building on the wind velocity increasement examined by a series of detailed numerical analysis using CFD and wind tunnel test. The results show that the airfoil-shaped concentration device above a building increase the wind velocity from 120% to 150%.
Therapeutic Applications of Stem Cell-Engineered Nanovesicles Endowed with Magnetic Properties
Han Young Kim(김한영) 한국고분자학회 2021 한국고분자학회 학술대회 연구논문 초록집 Vol.46 No.2
Owing to their unique properties, mesenchymal stem cell (MSC)-derived exosomes have been actively studied for treatment of wide variety of diseases. However, it still remains challenging to improve the therapeutic outcomes of using exosomes to treat those diseases. Very small quantities of exosomes are released from MSC, and MSC-exosomes poorly accumulate in target tissue after systemic administration. In this study, iron oxide nanoparticles (IONP) were introduced to MSC and the exosome-mimetic nanovesicles were isolated. Treatment of IONP contribute to enhanced expression of therapeutic growth factors in MSC, which are attributed to IONP that are slowly ionized to iron ions. Isolated nanovesicles incorporate not only IONP which act as magnet-navigating tool, but also large amount of therapeutic growth factors. In this thesis, in vivo systemic delivery of IONP-harboring nanovesicles and their therapeutic effects in central nervous system lesions or in injured myocardium are presented.
증례보고 : 특발성 척추 측만증 수술 중에 발생한 악성 고열증
김한영 ( Han Young Kim ),김영주 ( Young Ju Kim ) 대한마취과학회 2009 Korean Journal of Anesthesiology Vol.57 No.5
Malignant hyperthermia is a potentially fatal hypermetabolic syndrome characterized by skeletal muscle rigidity and hyperpyrexia. We had an 11-year-old female presented for a surgery for idiopathic scoliosis of the thoracic vertebra. Generalized muscle rigidity and tachycardia were revealed 1 hour 35 minutes after isoflurane administration. Then the body temperature was risen to 43℃ within 10 minutes and the arterial blood gas analysis showed a severe respiratory and metabolic acidosis. Under the suspicion of malignant hyperthermia, the patient was treated by discontinuing all anesthetic agents, hyperventilation with 100% oxygen, surface cooling with ice pack and the administration of dantrolene sodium. But, the patient died of renal failure and disseminated intravascular coagulation after 50 days postoperatively. (Korean J Anesthesiol 2009;57:656∼61)
운전자 경계장치(Driver Vigilance Device) 동작시간 비교 연구
김한영(Kim, Han-Young) 한국의사결정학회 2019 의사결정학연구 Vol.27 No.2
본 연구는 철도차량의 운전자 경계장치(Vigilance Device)에 관한 연구이다. 국내외 철도차량에 다양한 형태와 기능으로 적용된 운전자 경계장치는 운전자가 항상 의식하고 직접적으로 조작하여야 하는 대표적 인간-기계 인터페이스 장치이다. 본 연구에서는 장치 고유의 목적에 부합하는 제어기능 분석과 경계동작 의사결정 방법, 동작시간과 결과의 적정성을 비교 분석하고, 운전자의 사용 편의성도 검토하여 개선된 결과를 제시하였다. 제안된 장치는 특히 대도시 권역에서 역간거리가 비교적 짧은 노선을 운행하는 도시철도 전기동차에 적용하는 것을 전제로 하였다. This study is about vigilance device of Train. That is a representative human-machine interface device which is applied in various forms and functions to railway vehicles at domestic and abroad it is always must be directly operated by a driver. The study analyzed control functions that meet the specific purpose of the device, compared and analyzed the decision-making method of the warning motion, the operation time, and the appropriateness of the result, and examined and improved the driver"s convenience. The proposed device is applied to a electric train of a city railway running on a route with a relatively short station distance especially in a large metropolitan area.
김한영(Han Young Kim),김남태(Nam Tae Kim),정대규(Dae Kyu Jung),최명덕(Myoung Duk Choi),윤인규(In Gyoo Yoon) 대한설비공학회 2020 대한설비공학회 학술발표대회논문집 Vol.2020 No.6
최근 건축물에너지 절감 및 온실가스 감축에 획기적으로 기여할 수 있는 제로에너지빌딩에 대한 관심이 높아지고 있으며 신재생에너지 의무화 비율 만족을 위하여 신재생에너지 중 태양광과 지열에너지의 공동주택으로의 적용에 대한 시도가 건설사 위주로 적용이 활발히 진행되고 있으나, 태양광 에너지만으로는 부지면적 확보등과 같이 의무화 비율 만족이 어렵기 때문에 지열에너지의 활용과 같이 융합에너지 적용이 절실한 실정이다. 저탄소 녹색성장 실현 및 에너지 소비 최소화를 위하여 신재생에너지 사용은 필수사항이며, 다양한 부하패턴에 대한 대응과 냉난방 부분 에너지 소비 최소화 및 열원간 경쟁력 확보를 위해서는 지열시스템의 최적화 설계가 진행되어야 하고, 에너지 절감 운영에 대한 방안이 필요하다.
김한영(Han-Young Kim),정봉철(Bong-Chul Chung),장시혁(Si-Hyuk Jang),김도영(Do-Young Kim) 대한설비공학회 2011 대한설비공학회 학술발표대회논문집 Vol.2011 No.7
The present study has been conducted to design a high efficiency impeller for a centrifugal chiller with the refrigerant R134a. In this study, we considered a harmony between impeller and diffuser in full load and part load condition. To get a high efficiency and reliability in suitable range, the numerical analyses were carried out at the various flow rate. A finally designed compressor was investigated experimentally to check the performance. The analysis data coincides with the test result of the compressor quite well and also the data in this study would be useful for an expanded capacity of an impeller to improve compressor efficiency.