Large oil and gas storage tanks serve as crucial industrial energy infrastructures,which are usually thin-walled steel structures with large volumes and light weights,and they are sensitive to wind loads.Under the inf...Large oil and gas storage tanks serve as crucial industrial energy infrastructures,which are usually thin-walled steel structures with large volumes and light weights,and they are sensitive to wind loads.Under the influence of strong winds or typhoons,large oil and gas storage tanks may suffer wind-induced damage,resulting in the leak-age of gas or liquid inside the tanks,posing hazards to the ecological environment and public safety.Therefore,it is of great theoretical and engineering significance to research the wind resistance of large oil and gas storage tanks.This paper provides a comprehensive review of key issues in wind resistance for large oil and gas stor-age tanks,including characteristics of flow around circular cylinders,wind effects on structures with circular cross-sections,near-surface wind field characteristics,wind effects on large oil and gas storage tanks,wind-induced interference effects,struc-tural dynamic characteristics,wind loads and wind-induced response calculations,multiple load effects,and wind-induced vibration control.The deficiencies of current research are summarized.The prospects for research on the design theory and safety assurance of large oil and gas storage tanks are presented through various methods,including field measurements of near-surface wind fields and wind effects,wind tunnel tests utilizing aeroelastic models,numerical simulations involving fluid–solid coupling,theoretical analysis,and machine learning.展开更多
In recent years,the global warming and its influences on people and social economy have received increasing attention from international communities.Determining the current trend of global temperature variation has be...In recent years,the global warming and its influences on people and social economy have received increasing attention from international communities.Determining the current trend of global temperature variation has become one of the critical issues in climate change research.Obviously,it is rather important to develop new climate change detection technology in order to identify new characteristics of the global warming.This review introduces the latest advances and past achievements on the climate change detection technology in China with emphases on new detection methods in the following five aspects：（1） abrupt climate change detection,（2） signal separation and extraction from observed data,（3） intrinsic complexity of the climate system,（4） recognition of the dynamical characteristics of the climate system,and（5） definitions and detection of extreme events.At last,some cruxes and key problems in the current climate change detection technology research are briefly discussed.展开更多
基金This research was supported by the National Natural Science Foundation of China(52068019)the Hainan Provincial Natural Science Foundation of China(522RC605,520QN231 and 521RC502).
文摘Large oil and gas storage tanks serve as crucial industrial energy infrastructures,which are usually thin-walled steel structures with large volumes and light weights,and they are sensitive to wind loads.Under the influence of strong winds or typhoons,large oil and gas storage tanks may suffer wind-induced damage,resulting in the leak-age of gas or liquid inside the tanks,posing hazards to the ecological environment and public safety.Therefore,it is of great theoretical and engineering significance to research the wind resistance of large oil and gas storage tanks.This paper provides a comprehensive review of key issues in wind resistance for large oil and gas stor-age tanks,including characteristics of flow around circular cylinders,wind effects on structures with circular cross-sections,near-surface wind field characteristics,wind effects on large oil and gas storage tanks,wind-induced interference effects,struc-tural dynamic characteristics,wind loads and wind-induced response calculations,multiple load effects,and wind-induced vibration control.The deficiencies of current research are summarized.The prospects for research on the design theory and safety assurance of large oil and gas storage tanks are presented through various methods,including field measurements of near-surface wind fields and wind effects,wind tunnel tests utilizing aeroelastic models,numerical simulations involving fluid–solid coupling,theoretical analysis,and machine learning.
基金Supported by the National Science and Technology Support Program of China under Grant Nos.2007BAC03B01Supported by the National Science and Technology Support Program of China under Grant Nos.2007BAC29A01the Meteorological Special Project of China under Grant No.GYHY200906014-04
文摘In recent years,the global warming and its influences on people and social economy have received increasing attention from international communities.Determining the current trend of global temperature variation has become one of the critical issues in climate change research.Obviously,it is rather important to develop new climate change detection technology in order to identify new characteristics of the global warming.This review introduces the latest advances and past achievements on the climate change detection technology in China with emphases on new detection methods in the following five aspects：（1） abrupt climate change detection,（2） signal separation and extraction from observed data,（3） intrinsic complexity of the climate system,（4） recognition of the dynamical characteristics of the climate system,and（5） definitions and detection of extreme events.At last,some cruxes and key problems in the current climate change detection technology research are briefly discussed.
