Aiming at developing an effective tool to unveil key mechanisms in bio-flight as well as to provide guidelines for bio-inspired micro air vehicles（MAVs） design,we propose a comprehensive computational framework,whic...Aiming at developing an effective tool to unveil key mechanisms in bio-flight as well as to provide guidelines for bio-inspired micro air vehicles（MAVs） design,we propose a comprehensive computational framework,which integrates aerodynamics,flight dynamics,vehicle stability and maneuverability.This framework consists of（1） a Navier-Stokes unsteady aerodynamic model;（2） a linear finite element model for structural dynamics;（3） a fluidstructure interaction（FSI） model for coupled flexible wing aerodynamics aeroelasticity;（4） a free-flying rigid body dynamic（RBD） model utilizing the Newtonian-Euler equations of 6DoF motion;and（5） flight simulator accounting for realistic wing-body morphology,flapping-wing and body kinematics,and a coupling model accounting for the nonlinear 6DoF flight dynamics and stability of insect flapping flight.Results are presented based on hovering aerodynamics with rigid and flexible wings of hawkmoth and fruitfly.The present approach can support systematic analyses of bio- and bio-inspired flight.展开更多
作为一种清洁物理储能技术，先进绝热压缩空气储能（advanced adiabatic compressed air energy storage system，AA-CAES）具有优良的辅助服务特性、多能联供联储能力，可为清洁能源的高效消纳注入新活力。该文直面AA-CAES技术在智能...作为一种清洁物理储能技术，先进绝热压缩空气储能（advanced adiabatic compressed air energy storage system，AA-CAES）具有优良的辅助服务特性、多能联供联储能力，可为清洁能源的高效消纳注入新活力。该文直面AA-CAES技术在智能电网和综合能源系统的应用，在分析AA-CAES电站优良的动态特性的基础上，梳理AA-CAES电站建模、能效提升、运行规划及市场运营等方面的研究现状，指出当前研究瓶颈，明确后期应用研究的重点。希望能为智能电网和综合能源系统的AA-CAES技术相关研究提供参考，指导其应用推广。展开更多
基金supported by a PRESTO-JST program,the Grant-in-Aid for Scientific Research JSPS.Japan(18656056 and 18100002).
文摘Aiming at developing an effective tool to unveil key mechanisms in bio-flight as well as to provide guidelines for bio-inspired micro air vehicles（MAVs） design,we propose a comprehensive computational framework,which integrates aerodynamics,flight dynamics,vehicle stability and maneuverability.This framework consists of（1） a Navier-Stokes unsteady aerodynamic model;（2） a linear finite element model for structural dynamics;（3） a fluidstructure interaction（FSI） model for coupled flexible wing aerodynamics aeroelasticity;（4） a free-flying rigid body dynamic（RBD） model utilizing the Newtonian-Euler equations of 6DoF motion;and（5） flight simulator accounting for realistic wing-body morphology,flapping-wing and body kinematics,and a coupling model accounting for the nonlinear 6DoF flight dynamics and stability of insect flapping flight.Results are presented based on hovering aerodynamics with rigid and flexible wings of hawkmoth and fruitfly.The present approach can support systematic analyses of bio- and bio-inspired flight.
文摘作为一种清洁物理储能技术，先进绝热压缩空气储能（advanced adiabatic compressed air energy storage system，AA-CAES）具有优良的辅助服务特性、多能联供联储能力，可为清洁能源的高效消纳注入新活力。该文直面AA-CAES技术在智能电网和综合能源系统的应用，在分析AA-CAES电站优良的动态特性的基础上，梳理AA-CAES电站建模、能效提升、运行规划及市场运营等方面的研究现状，指出当前研究瓶颈，明确后期应用研究的重点。希望能为智能电网和综合能源系统的AA-CAES技术相关研究提供参考，指导其应用推广。
