http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
농용(農用) 내연기관(內燃機關) 폐열(廢熱)의 열(熱)에너지 회수(回收)(I) -시스템 설계(設計)와 주변수(主變數) 분석(分析) 및 실험(實驗)-
서상룡,유수남,Suh, S.R.,Yoo, S.N. 한국농업기계학회 1986 바이오시스템공학 Vol.11 No.2
A waste heat recovery system for an internal combustion engine for agriculture was developed. The system is for recovering both of exhaust heat and cooling heat of an engine and is so simple in its structure that can be used in rural area easily. A series of experiment was carried out to the experiment which will be discussed later on, collect data for the performance of the system at various operating conditions of the system and an engine and to determine a range of coolant temperature in which performance of an engine is not affected by the heat recovery system incorporated. The obtained experimental data is not only useful to materialize performance of the system at the experimental conditions but also to construct a mathematical model of the system to predict the system variables beyond the scope of
스크류 프레스의 대두유 착유 (搾油) 성능과 착유유의 연료 성질
서상룡,에프 디 해리스 ( S . R . Suh,F . D . Harris ) 한국농업기계학회 1985 바이오시스템공학 Vol.10 No.2
N/A Performance of a screw press was investigated experimentally with soybeans of various temperatures in order to find out a proper temperature of soybean to extract the oil by the mechanical method. Crude oil extracted by the screw press was chemical analyzed to determine a level of processing the oil for the oil to be used as a fuel for a compression ignition, eagine. The crude on was degummed and dried by a plant type laboratory experimental setup to decicide whether the processes are effective to improve quality of the oil as a fuel. The degummed oil and the degummed and dried oil were also chemically analyzed and were compared with the crude oil and the commercially degummed and dried soybean oil, The results are as follows: 1. In extraction of soybean oil by a screw press, heating soybeans is effective to increase oil production and to decrease energy consumption of the press. A proper temperature of soybean to extract the oil by the press was determined as about 50℃. 2. Soybean oil production and electric energy consumption of the press are about 83 ml and 58 Wh per 1 ㎏ of soybeans heated to about 50℃, respectively. 3. The quality of crude oil produced by the press is similar to that of the commercially degummed and dried oil. The crude oil does not need to be degummed or dried for use as an engine fuel.
농용(農用) 내연기관(內燃機關) 폐열(廢熱)의 열(熱)에너지 회수(回收)(II) -시스템 Simulation과 안정성(安定性) 실험(實驗)-
서상룡,유수남,Suh, S.R.,Yoo, S.N. 한국농업기계학회 1987 바이오시스템공학 Vol.12 No.1
A mathematical model for the waste heat recovery system for an engine was developed. The model based on the experimental data reported before was validated and was used to predict the waste heat recovery and recoverable heat of the engine at various operating conditions of the engine and the system. The model was also used to determine flow rates of the circulating water in the system for a certain temperature increment of the water at various operating conditions of the engine to give basic data to design the system. Stability of the system performance was tested on subjects of vapor lock problem, thermal characteristics of the thermostatic valve, and temperature variation of the circulating water in the engine and fuel consumption of the engine during each mode of the system operation and its change into the other. The test showed that the system operation was stable enough. Temperature profile in the thermal energy storage (TES) was observed during storing thermal energy, and thermal stratification in the TES was well formed acceptable to be used in the system. Finally a scheme to automatize the system was suggested.