인문학
사회과학
자연과학
공학
의약학
농수해양학
예술체육학
복합학
지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 저자정보
초록·키워드
The strong noise produced by centrifugal pump during operation will do harm to the health of workers and pump group. In order to realize the low noise operation of centrifugal pump, researchers add bionic structure to the blade to realize the centrifugal pump noise reduction. At present, in the research of centrifugal pump noise reduction, pit bionic structure and sawtooth bionic structure are the most reprlesentative. Pit structure is for broadband noise reduction, sawtooth structure is for discrete noise reduction. From a macro perspective, if the two bionic structures are coupled, it is likely to bring greater noise reduction. Therefore, in this paper, sawtooth structure is installed on the trailing edge of the pitted blade, and the internal flow field and sound field of the bionic blade are studied, and the influence of the coupling bionic structure on the external characteristics, acoustic amplitude-frequency characteristics and flow field structure of the centrifugal pump is analyzed. The results show that the coupling bionic structure is greatly affected by the sawtooth structure, which makes the pit structure lose the original broadband noise reduction effect, and the two noise reduction mechanisms are different, which makes the pit and sawtooth structure incompatible.
본문·목차
인공지능 문자 인식 모델을 통해 추출된 텍스트로, 일부 오타나 오류가 포함될 수 있으나 지속적으로 개선 중입니다.
오류를 발견하셨다면 해당 부분을 드래그한 후 ' 를 통해 신고해주세요.
오류를 발견하셨다면 해당 부분을 드래그한 후 ' 를 통해 신고해주세요.
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UCI(KEPA) : I410-151-25-02-092139644