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Experimental Study on the Fatigue Strength of a Running Equipment in Railway Applications
윤성철(Sung Cheol Yoon),김정국(Jeongguk Kim) Korean Society for Precision Engineering 2016 한국정밀공학회지 Vol.33 No.9
The truck that is used as running equipment for tank freight car support is a core structural part that supports the load of the car body and significantly influences the safety of freights and vehicles, as well as their running performance. Running equipment is composed of truck frames, wheels and wheel axles, independent suspensions, and brakes. Among these components, the truck frame supporting the load of the vehicles and freights may be the most important component. This study was carried out to analyze the structure of truck frames and to determine whether they are safe when the maximum vertical load, braking part load, and the front and rear load are applied to truck frames. This was achieved by subjecting the truck frames to stress tests and then measuring the stress on each part. The results of the stress tests showed that truck frames have a safe vehicle load design.
윤성철(Sung-Cheol Yoon),정종덕(Jong-Duk Chung) 한국철도학회 2002 철도저널 Vol.5 No.2
As the public use part of the railway and the road, the railway crossing is important to work properly by two transportation means. Also, It is important to provide the good face of friction on the railway crossing in aspect of protecting the railway crossing accident. Lately, the material of railway crossing panel is the wood, the asphalt, and the steel. As they have a various fault, it was studied to analyze the structural action of the new material, rubber panel. This paper analyzed eigenvalue, stress and displacement by truck passing weight, thermal stress and train moving weight, using the Finite Element Method model
윤성철(Yoon Sung-Cheol),김원경(Kim Won-kyung),홍용기(Hong Yung-Ki),편장식(Pyun Jang-Sik) 한국철도학회 2003 한국철도학회 학술발표대회논문집 Vol.- No.-
This paper describes the result of structure analysis and load test of body structure. The purpose of the analysis and test is to evaluate an safety which body structure shall be considered fully sufficient rigidity so as to satisfy proper system function under maximum load and operating condition. Material of body structure applied an aluminum alloy. This strength test is based on "Performance Test Standard for Electrical Multiple Unit, noticed by Ministry of Construction & Transportation, in 2000" and reference code is JIS E 7105.
윤성철(Yoon Sung-Cheol),전창성(Jun Chang-Sung),김원경(Kim Won-kyung) 한국철도학회 2007 한국철도학회 학술발표대회논문집 Vol.- No.-
This study introduces the testing results of the carbody. The load test was performed to evaluate the structural characteristic and stability of the stainless carbody. The carbody is made of stainless steel. The body structure consisted of side frame, under frame, roof frame, and end frame. Of these components, the side frame and under frame were the most important components considering the vehicle and passenger loads. Loading test were performed under the condition based on "Performance Test Standard for Electrical Multiple Unit". The test results showed that the body structure is safe and stable under the condition of designed load.
윤성철(Sung-Cheol Yoon),박성혁(Sung-Hyuk Park) 대한기계학회 2010 대한기계학회 춘추학술대회 Vol.2010 No.11
Loading tests were conducted in the carbody of the railroad car to check the structural strength of the body of the railroad car. The objective of this study is to evaluate whether or not the carbody of a railroad car under the maximal strength is safe. The carbody of rolling stock is a principal structure that supports major equipment of the underframe and the freight. Therefore, the strength evaluation of this structure is important. Both structural analysis and loading test were performed under the loading condition. Prior to the evaluation of structural strength, finite element method software was used for structural analyses on stress distribution in a carbody of a railroad car. The actual loading tests were conducted.
Study on the Structural Strength of Deep Well Rail Car in Railway Applications
윤성철(Sung Cheol Yoon),김정국(Jeongguk Kim) Korean Society for Precision Engineering 2016 한국정밀공학회지 Vol.33 No.4
Stress tests were conducted in the carbody of the railroad car to check the structural strength of the body of the railroad car. The objective of this study was to evaluate safety of the carbody of a railroad car under the maximal strength. The carbody of rolling stock is a principal structure that supports major equipment of the underframe and the freight. Therefore, the strength evaluation of this structure is important. This study was carried out to analyze the structure of carbody and evaluate safety under maximum vertical load, compressive load, and torsional load. Accordingly, stress tests were conducted on the carbody to measure the stress on each of their parts. Before the load test, a structural-analysis program was used for the stress distribution analysis of the body structure.
윤성철(Yoon Sung-Cheol),박성혁(Park Sung-Hyuk),이강원(Lee kang-won),김원경(Kim Won-kyung),홍용기(Hong Yung-Ki) 한국철도학회 2004 한국철도학회 학술발표대회논문집 Vol.- No.-
This paper describes the result of structure analysis and load test of bogie frame. The purpose of the analysis and test is to evaluate an safety which bogie frame shall be considered fully sufficient rigidity so as to satisfy proper system function under maximum load. Bogie system consist of bogie frame, suspensions, wheel-sets, brake system and transmission system. Among these component, the bogie frame is most significant component subjected to the vehicle and passenger loads. The evaluation method is used the JIS E 4207 specification throughout the FEM analysis and static load test. The test results have been very safety and stable for design load conditions.
윤성철(Sung-Cheol Yoon),김원경(Won-kyung Kim) 한국철도학회 2005 한국철도학회논문집 Vol.8 No.6
This paper describes the results of structural analysis and loading test of a bogie frame. The purpose of the analysis and test is to evaluate the safety and functionality of the bogie frame under maximum load. The bogie system consist of the bogie frame, suspensions, wheel-sets, a brake system and a transmission system. Of these components, the bogie frame is the major component subjected to the vehicle and passenger loads. The evaluation method used the JIS E 4207 specifications throughout the FEM analysis and static load test. The test results have shown the bogie frame to be safe and stable under design load conditions.
윤성철(Yoon Sung-Cheol),한석윤(Han Seok-Yoon),민재홍(Min Jea-Hong) 한국철도학회 2001 한국철도학회 학술발표대회논문집 Vol.- No.-
As the public use part of the railway and the road, the railway crossing is important to work properly by two transportation means. Also, It is important to provide the good face of friction on the railway crossing in aspect of protecting the railway crossing accident. Lately, the material of railway crossing panel is the wood, the asphalt, and the steel. As they have a various fault, it was studied to analyze the structural action of the new material, rubber panel. This paper analyzed eigenvalue, stress and displacement by truck passing weight, thermal stress and train moving weight, using the FEM model.
윤성철(Yoon Sung-Cheol),권성태(Kwon Sung-Tae),김명룡(Kim Myung-Rong),이강원(Lee kang-won) 한국철도학회 2004 한국철도학회 학술발표대회논문집 Vol.- No.-
This paper describes the result of load test of bogie frame. The purpose of test is to evaluate an safety which bogie frame shall be considered fully sufficient rigidity so as to satisfy proper system function under maximum load. Bogie system consist of bogie frame, suspensions, wheel-sets, brake system and transmission system. Among these component, the bogie frame is the most significant component subjected to the vehicle and passenger loads. The evaluation method is used the JIS E 4207 specification throughout the static load test. The test results have been very safety and stable for design load conditions.