Towing Motion Characteristics of Composite Bucket Foundation for Offshore Wind Turbines
Composite bucket foundation (CBF) is an environmentally friendly form of offshore wind power foundation. By virtue of the air-floating subdivision structure in the bucket, the foundation has a self-floating characteristic and can allow for long-distance air-floating towing and transport. In this stu...
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doaj-3664a7da8339403b99db606656d6efff2020-11-25T02:11:10ZengMDPI AGEnergies1996-10732019-10-011219376710.3390/en12193767en12193767Towing Motion Characteristics of Composite Bucket Foundation for Offshore Wind TurbinesHongyan Ding0Xing Zhao1Conghuan Le2Puyang Zhang3Qiaoling Min4State Key Laboratory of Hydraulic Engineering Simulation and Safety, Tianjin University, Tianjin 300072, ChinaSchool of Civil Engineering, Tianjin University, Tianjin 300072, ChinaState Key Laboratory of Hydraulic Engineering Simulation and Safety, Tianjin University, Tianjin 300072, ChinaState Key Laboratory of Hydraulic Engineering Simulation and Safety, Tianjin University, Tianjin 300072, ChinaSchool of Civil Engineering, Tianjin University, Tianjin 300072, ChinaComposite bucket foundation (CBF) is an environmentally friendly form of offshore wind power foundation. By virtue of the air-floating subdivision structure in the bucket, the foundation has a self-floating characteristic and can allow for long-distance air-floating towing and transport. In this study, first, a numerical analysis was performed on the towing motion characteristics of CBF, and the formula for foundation stability was deduced; then, we probed into the variation rules of the natural period of the foundation with draft and analyzed the response amplitude operator (RAO) responses, added mass coefficients, radiation damping coefficients, and exciting forces (moments) of the composite bucket foundation under different drafts and different wave directions. Finally, we clarified the basic hydrodynamic characteristics of the composite bucket foundation in the frequency domain and adopted multiple random wave models to investigate the effects of different wave heights, periods, and spectral peak factors on the towing motion characteristics of composite bucket foundation.https://www.mdpi.com/1996-1073/12/19/3767composite bucket foundation (cbf)natural periodresponse amplitude operator (rao)hydrodynamic characteristicsrandom wave |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Hongyan Ding Xing Zhao Conghuan Le Puyang Zhang Qiaoling Min |
spellingShingle |
Hongyan Ding Xing Zhao Conghuan Le Puyang Zhang Qiaoling Min Towing Motion Characteristics of Composite Bucket Foundation for Offshore Wind Turbines Energies composite bucket foundation (cbf) natural period response amplitude operator (rao) hydrodynamic characteristics random wave |
author_facet |
Hongyan Ding Xing Zhao Conghuan Le Puyang Zhang Qiaoling Min |
author_sort |
Hongyan Ding |
title |
Towing Motion Characteristics of Composite Bucket Foundation for Offshore Wind Turbines |
title_short |
Towing Motion Characteristics of Composite Bucket Foundation for Offshore Wind Turbines |
title_full |
Towing Motion Characteristics of Composite Bucket Foundation for Offshore Wind Turbines |
title_fullStr |
Towing Motion Characteristics of Composite Bucket Foundation for Offshore Wind Turbines |
title_full_unstemmed |
Towing Motion Characteristics of Composite Bucket Foundation for Offshore Wind Turbines |
title_sort |
towing motion characteristics of composite bucket foundation for offshore wind turbines |
publisher |
MDPI AG |
series |
Energies |
issn |
1996-1073 |
publishDate |
2019-10-01 |
description |
Composite bucket foundation (CBF) is an environmentally friendly form of offshore wind power foundation. By virtue of the air-floating subdivision structure in the bucket, the foundation has a self-floating characteristic and can allow for long-distance air-floating towing and transport. In this study, first, a numerical analysis was performed on the towing motion characteristics of CBF, and the formula for foundation stability was deduced; then, we probed into the variation rules of the natural period of the foundation with draft and analyzed the response amplitude operator (RAO) responses, added mass coefficients, radiation damping coefficients, and exciting forces (moments) of the composite bucket foundation under different drafts and different wave directions. Finally, we clarified the basic hydrodynamic characteristics of the composite bucket foundation in the frequency domain and adopted multiple random wave models to investigate the effects of different wave heights, periods, and spectral peak factors on the towing motion characteristics of composite bucket foundation. |
topic |
composite bucket foundation (cbf) natural period response amplitude operator (rao) hydrodynamic characteristics random wave |
url |
https://www.mdpi.com/1996-1073/12/19/3767 |
work_keys_str_mv |
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