Journal of the Korean Society of Propulsion Engineers (한국추진공학회지)

The Korean Society of Propulsion Engineers (한국추진공학회)
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A Behavior of the Ultrasonically-atomized Kerosene Lifted-flame According to the Position of Ultrasonic Standing-wave Field

정상초음파장의 위치에 따른 초음파 무화 케로신 부상화염의 거동

  • Chang Han Bae (Department of Mechanical Engineering, Graduate School, Pukyong National University) ;
  • Jeong Soo Kim (School of Mechanical Engineering, Pukyong National University)
  • Received : 2023.01.02
  • Accepted : 2023.02.11
  • Published : 2023.02.28
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Abstract

A study was conducted to scrutinize the behavior of the ultrasonically-atomized kerosene lifted-flame according to the carrier gas flow-rate and position of ultrasonic standing wave (USW). The combustion region of the kerosene-aerosol generated through a slit-jet nozzle was visualized using a DSLR, ICCD, high-speed camera, and Schlieren technique, and the fuel consumption was measured by using a precision balance. As a result, the flame was confined within the region bounded by the USW-field, and the fuel consumption decreased as the position of the USW field increased.

본 연구는 수송기체 유량 및 정상초음파장의 가진 위치에 따른 초음파 무화 케로신 화염의 거동을 분석하기 위해 수행되었다. Slit-jet 노즐을 빠져나오는 에어로졸의 연소장은 DSLR, ICCD 및 초고속 카메라와 슐리렌 기법을 통해 가시화되었으며, 연료소모량은 정밀저울을 통해 측정되었다. 그 결과, 정상초음파장 경계영역에서 화염이 갇히고, 정상초음파장의 위치가 높아질수록 연료소모량은 감소하였다.

Keywords

Acknowledgement

이 논문은 부경대학교 자율창의학술연구비(2021년)에 의하여 연구되었음.

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