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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Structural Engineering and Mechanics, An Int'l Journal Structural Engineering and Mechanics, An Int'l Journal Vol.72 No.5
- 발행연도
- 2019.1
- 수록면
- 541 - 555 (15page)
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초록· 키워드
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Wind induced dynamic responses on hyperbolic cooling tower (HCT) shells are complicated functions of structure and wind properties, such as the fundamental frequency fmin, damping ratio ζ, wind velocity V, correlationship in meridian direction and so on, but comprehensions on the sensitivities of the dynamic responses to these four factors are still limited and disagree from each other. Following the dynamic calculation in time domain, features of dynamic effects were elaborated, focusing on the background and resonant components σB and σR, and their contributions to the total rms value σT. The σR is always less than σB when only the maximum σT along latitude is concerned and the contribution of σR to σT varies with responses and locations, but the σR couldn’t be neglected for structural design. Then, parameters of the above four factors were artificially adjusted respectively and their influences on the gust responses were illustrated. The relationships of σR and the former three factors were expressed by fitted equations which shows certain differences from the existing equations. Moreover, a new strategy for wind tunnel tests aiming at surface pressures and the following dynamic calculations, which demands less experiment equipment, was proposed according to the influence from meridian correlationship.
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참고문헌 (35)
참고문헌 신청
Abu-Sitta, S. H. / 1973 / Dynamic wind stresses in hyperbolic cooling towers / J. Struct. Div 99(9):1823~1835
Armitt, J. / 1973 / Vibration of cooling towers / Proceedings International Symposium Vibration Problems in Industry
Armitt, J. / 1980 / Wind loading on cooling towers / J. Struct. Div. 106(3):623~641
G. Ramesh Babu / 2013 / Experimental Determination of Wind-Induced Response on a Model of Natural Draught Cooling Tower / Experimental Techniques 37(1):35~46
Basu, P. K. / 1980 / Cooling towers using measured wind data / J. Struct. Div 106(3):579~600
Armitt, J. / 1973 / Vibration of cooling towers / Proceedings International Symposium Vibration Problems in Industry
Armitt, J. / 1980 / Wind loading on cooling towers / J. Struct. Div. 106(3):623~641
G. Ramesh Babu / 2013 / Experimental Determination of Wind-Induced Response on a Model of Natural Draught Cooling Tower / Experimental Techniques 37(1):35~46
Basu, P. K. / 1980 / Cooling towers using measured wind data / J. Struct. Div 106(3):579~600
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