SEISMIC BEHAVIOR ANALYSIS OF WIND TURBINE TOWER AFFECTED BY HYDRODYNAMIC PRESSURE BASED ON A SIMPLIFIED CALCULATION MODEL

SHUAI HUANG; QINGJIE QI; WENGANG LIU; YINGJIE LIU; YOUXIN ZHAO

doi:10.1590/1679-78256196

SEISMIC BEHAVIOR ANALYSIS OF WIND TURBINE TOWER AFFECTED BY HYDRODYNAMIC PRESSURE BASED ON A SIMPLIFIED CALCULATION MODEL

Authors

SHUAI HUANG CHINA COAL RESEARCH INSTITUTE, BEIJING 100013, CHINA HTTPS://ORCID.ORG/0000-0002-9081-2760
QINGJIE QI CHINA COAL RESEARCH INSTITUTE, BEIJING 100013, CHINA HTTPS://ORCID.ORG/0000-0002-7971-7359
WENGANG LIU CHINA COAL RESEARCH INSTITUTE, BEIJING 100013, CHINA HTTPS://ORCID.ORG/0000-0001-9760-3710
YINGJIE LIU CHINA COAL RESEARCH INSTITUTE, BEIJING 100013, CHINA HTTPS://ORCID.ORG/0000-0003-1857-7951
YOUXIN ZHAO CHINA COAL RESEARCH INSTITUTE, BEIJING 100013, CHINA HTTPS://ORCID.ORG/0000-0001-6111-8975

DOI:

https://doi.org/10.1590/1679-78256196

Abstract

THE INTERACTION BETWEEN WATER AND STRUCTURE WILL INEVITABLY LEAD TO THE HYDRODYNAMIC PRESSURE, WHICH COULD CHANGE THE DYNAMIC BEHAVIOR OF THE WIND TURBINE TOWER UNDER EARTHQUAKE ACTION. BASED ON THE MORISON HYDRODYNAMIC THEORY, A SIMPLIFIED CALCULATION METHOD OF HYDRODYNAMIC PRESSURE WAS PROPOSED, AND THE EFFECTS OF DIFFERENT WATER DEPTHS AND HYDRODYNAMIC PRESSURE ON THE SEISMIC BEHAVIOR OF THE WIND TURBINE TOWER IS INVESTIGATED. THE MAIN RESULTS INCLUDE: WIND TURBINE TOWER IN DEEP WATER IS SENSITIVE TO WATER, AND THE DEFORMATION AND ENERGY DISSIPATION CAPACITY OF THE WIND TURBINE TOWER ARE DECREASED AFFECTED BY THE HYDRODYNAMIC PRESSURE; THE INFLUENCE OF HYDRODYNAMIC PRESSURE ON THE ACCELERATION AND DISPLACEMENT IS RELATED TO THE HIGH FREQUENCY COMPONENTS OF THE SEISMIC WAVE, AND THE EFFECT OF HYDRODYNAMIC PRESSURE ON THE INTERNAL FORCE, DISPLACEMENT, AND ACCELERATION INCREASES WITH THE INCREASING OF THE WATER DEPTHS UNDER DIFFERENT EARTHQUAKES. FINALLY, A SHAKING TABLE TEST IS CARRIED OUT, AND THE EXPERIMENTAL RESULTS ARE IN GOOD AGREEMENT WITH THE CALCULATED RESULTS USING OUR PROPOSED METHOD.

Downloads

Published

2020-08-03

Issue

Vol. 17 No. 6 (2020)

Section

Articles

License

Authors who publish with this journal agree to the following terms:

Authors retain copyright and grant the journal right of first publication with the work simultaneously licensed under a Creative Commons Attribution License [CC BY] that allows others to share the work with an acknowledgement of the work's authorship and initial publication in this journal.
Authors are able to enter into separate, additional contractual arrangements for the non-exclusive distribution of the journal's published version of the work (e.g., post it to an institutional repository or publish it in a book), with an acknowledgement of its initial publication in this journal.
Authors are permitted and encouraged to post their work online (e.g., in institutional repositories or on their website) prior to and during the submission process, as it can lead to productive exchanges, as well as earlier and greater citation of published work (See The Effect of Open Access).