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    • 10. 发明申请
    • WIND TURBINE WITH MIXERS AND EJECTORS
    • 具有搅拌机和喷射器的风力涡轮机
    • WO2009120176A8
    • 2010-03-04
    • PCT/US2008011015
    • 2008-09-23
    • FLODESIGN WIND TURBINE CORPPRESZ WALTER M JRWERLE MICHAEL J
    • PRESZ WALTER M JRWERLE MICHAEL J
    • F03D1/04
    • F03D1/04F05B2240/13F05B2240/133F05B2260/96Y02B10/30Y02E10/721
    • A method is disclosed for improving the operational effectiveness and efficiency of wind turbines. Applicants' preferred method comprises: generating a level of power over the Betz limit for an axial flow wind turbine, of the type having a turbine shroud with a flared inlet and an impeller downstream having a ring of impeller blades, by receiving and directing a primary air stream of ambient air into the flared inlet and through the turbine shroud; rotating the impeller inside the shroud by the primary air stream, whereby the primary air stream transfers energy to the impeller; entraining and mixing a secondary flow stream of ambient air exclusively with the primary air stream, which has passed through the impeller, via a mixer and an ejector sequentially downstream of the impeller. Unlike gas turbine mixers and ejectors which also mix with hot core exhaust gases, Applicants' preferred method entrains and mixes ambient air (i.e., wind) exclusively with lower energy air (i.e., partially spent air) which has passed through a turbine shroud and rotor. Applicant's method further comprises harnessing the power of the primary air stream to produce mechanical energy while exceeding the Betz limit for operational efficiency of the axial flow wind turbine over a non-anomalous period.
    • 公开了一种用于提高风力涡轮机的运行效率和效率的方法。 申请人的首选方法包括:为轴流式风力涡轮机产生超过Betz限制的功率级别,该轴流式风力涡轮机的类型具有涡轮机罩,其具有扩口入口和具有叶轮叶片环的叶轮,通过接收和引导初级 空气流进入扩口入口并通过涡轮罩; 通过一次空气流使护罩内的叶轮旋转,由此一次空气流将能量传递到叶轮; 通过混合器和依次在叶轮下游的喷射器将环境空气的二次流流与仅通过叶轮的一次空气流混合并混合。 不同于也与热芯废气混合的燃气轮机混合器和喷射器,申请人的首选方法仅将环境空气(即风)与通过涡轮机罩和转子的较低能量空气(即部分废气)混合 。 申请人的方法还包括利用一次空气流的功率产生机械能,同时超过在非异常时期的轴流式风力涡轮机的运行效率的Betz限制。