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1차원 Lumped 모델을 이용한 산업용 잉크젯 프린팅 헤드 토출 특성 해석
심원철(Won Chul Sim),박성준(Sung-Jun Park),김영재(Young Jae Kim),박창성(Chang Sung Park),유영석(Young Seuck Yoo),정재우(Jae Woo Joung),오용수(Yong Soo Oh) Korean Society for Precision Engineering 2007 한국정밀공학회지 Vol.24 No.11
Jettability analysis using one-dimensional(1D) lumped parameter model has been investigated to design the industrial inkjet head with proper drop velocity and drop volume. By simplifying the inkjet head system into an equivalent electrical circuit, lumped model has been developed. Performance of the lumped model is verified by the comparison between measured results of droplet velocity and ejection volume and predicted value. Also, the jetting performance of an inkjet head is characterized by varying the design parameter and driving condition. As a result, simulation results shows good agreement with the experimentally measured value. The developed lumped model enables to easily understand the effect of dimension change and predict the jetting performance.