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22대 대한민국 국회 국회정보길라잡이 국회의원검색
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This study evaluates the sensitivity of a ferrous particle sensor in response to changes in viscosity in a gearbox. Composed of various gears, the gearbox typically occurs significant ferrous wear due to gear contact. Condition monitoring is primarily implemented by measuring the number of ferrous wear particles in the lubricant. Gearboxes are critical in many systems, including wind turbines, for facilitating changes in speed and torque. Therefore, technology to monitor ferrous particles in gearboxes is essential. In this study, a simplified gearbox is numerically modeled to assess sensor sensitivity based on viscosity and sensor position. Three sensor positions are considered: one directly beneath the gear and two at locations farther from the gear. Analyses are conducted using lubricants with low viscosity and gear oil. Sensor sensitivity is defined by the number of ferrous particles adhering to the sensor, where more particles indicated higher sensitivity. The evaluation reveals that the position directly beneath the gear exhibits the highest sensitivity due to direct influence from the main flow. To achieve optimal sensitivity, sensors should be installed in the main flow path as determined by flow analysis. Evaluation of sensor sensitivity with changes in viscosity shows that a higher viscosity results in a lower sensor sensitivity. Therefore, for ease of analysis, performing an analysis under low-viscosity conditions is useful for understanding the main flow and for identifying the optimal location for proper sensor position.

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실제 운전조건을 고려한 전기자동차 베어링의 전기적 손상 평가 = Evaluation of electrical damage to electric-vehicle bearings under actual operating conditions 박정수, 김정식, 이승표 p. 111-117

Review of testing configurations for simultaneous measurement of friction and triboelectrification P.R. Deshmukh, Dae-Hyun Cho p. 118-132

유한요소기법을 이용한 복합재 풍력 블레이드 구조해석 = Structural analysis of composite wind blade using finite element technique 김운성, 박경렬, 강성민, 최용석, 정경은, 이수민, 이경준 p. 133-138

기어박스에서 점도의 변화에 의한 철분마모센서의 감도 평가 = Evaluation of sensitivity of a ferrous particle sensor with variation of viscosity in gearbox systems 홍성호 p. 139-143

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