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81.发明授权公开(公告)号：US11428603B2
公开(公告)日：2022-08-30
申请号：US16626987
申请日：2018-09-07
申请人： JIANGSU UNIVERSITY
发明人： Zheng Ma , Min Han , Yaoming Li , Lizhang Xu , Xinzhong Wang , Zhong Tang , Hongxin Li
摘要： An assembly quality detection device and a method for a wind screen cleaning system based on streamline pattern, includes a main body of a test bench and a detection system. The main body of the test bench includes a test bench rack and a cleaning centrifugal fan; the inside of the test bench rack is provided with a cleaning space. The detection system includes a smoke generation and transmission device, a two-degree-of-freedom smoke fixed-point release mechanism, a high-speed image acquisition system and a control system. A fixed base is installed on the upper end of the outlet of the cleaning centrifugal fan, a linear moving guide rail device is installed on the fixed base, the linear moving guide rail device is equipped with a moving slider, the moving slider is installed with a rotating mechanism, the rotating mechanism output end is provided with a smoke releasing duct, the smoke releasing duct is communicated with the smoke generation and transmission device. The detection device and method can test the manufacturing and assembly quality of the cleaning system of the combine harvester by combining the characteristics of wind tunnel streamline pattern with image processing and corresponding mathematical operation.
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公开(公告)号：US10656048B2
公开(公告)日：2020-05-19
申请号：US15474714
申请日：2017-03-30
申请人： The Boeing Company
摘要： A system reproduces aerodynamic boundary layer transition conditions in a wind tunnel test environment under ambient to cryogenic temperature conditions. The system includes a test component disposed in the test environment that defines an exterior surface. A trip dot is mounted on the test component and has a first state, in which a distal surface of the trip dot is at a first elevation relative to the exterior surface of the test component, and a second state, in which the distal surface of the trip dot is at a second elevation relative to the exterior surface of the test component. An actuator is operably coupled to the trip dot and configured to transition the trip dot between first and second states. A controller remotely causes the actuator to transition the trip dot between the first and second states.
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83.发明申请公开(公告)号：US20190219475A1
公开(公告)日：2019-07-18
申请号：US16338356
申请日：2017-08-28
发明人： Fuyou XU , Donglei ZENG , Jing YANG
摘要： The invention provides a large-amplitude vertical-torsional coupled free vibration device, which belongs to the technical field of vertical-torsional coupled free vibration device for wind tunnel test. The gear blocks are consolidated at both ends of the beam. The screws, beam, and the gear blocks are fixed on the model, and they can fulfil the vertical-torsional coupled free vibration. The toothed plate is attached to the sliding block that iteratively moving along the vertical guide rail which is fixed to the ground. The vertical springs attached to the sliding blocks provide both vertical and torsional linear stiffness for the suspension vibration system. The springs only have vertical linear tensile deformations without any lateral tilt, which ensures the linear vertical and torsional stiffness of the model, and the lateral freedom is effectively restrained. This device can achieve the large-amplitude vertical-torsional coupled free vibration of the model, and the deficiency of the traditional device where springs are apparently tilted and the inefficacy of linear stiffness can be avoided. The lateral vibration is restrained, and it is applicable to large-amplitude vertical-torsional coupled free vibrations.
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公开(公告)号：US09604756B1
公开(公告)日：2017-03-28
申请号：US15200057
申请日：2016-07-01
IPC分类号： G01M15/14 , B65D19/16 , F02C6/16 , G01M17/007 , G01M9/02
CPC分类号： H04B1/1646 , B65D19/16 , F01D5/02 , F01D17/02 , F01D21/003 , F01D25/285 , F02C6/16 , F04D27/001 , F04D29/321 , F05B2220/302 , F05B2260/83 , F05D2220/323 , F05D2260/83 , F23R2900/00019 , G01M9/02 , G01M9/04 , G01M15/14 , G01M17/007 , Y02E60/15
摘要： A process for testing a combustor of a gas turbine engine, where a large volume of compressed air is stored in a large reservoir of at least 10,000 m3 such as an underground storage cavern, compressed air from the storage reservoir is passed through heat exchanger to preheat the compressed air to a temperature that would normally be discharged from a compressor, the preheated compressed air is burned with a fuel in the combustor, and additional compressed air from the reservoir is passed through an injector located downstream from the combustor to produce a decreased pressure such that a low atmospheric condition at the combustor exit is simulated.
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公开(公告)号：US09470603B2
公开(公告)日：2016-10-18
申请号：US14262358
申请日：2014-04-25
摘要： In one embodiment, a morphable composite three-dimensional structure is disclosed. The morphable composite three-dimensional structure comprises a flexible fiber-reinforced ceramic composite comprising a fiber preform and a ceramic matrix material infused therein. The flexible fiber-reinforced ceramic composite defines a flowpath having a three-dimensional cross-section. The cross-section of the flowpath is variable along the length of the flowpath. A plurality of anchors are integrally formed in the fiber preform. The plurality of anchors extend through a thickness of the ceramic matrix. The plurality of anchors are configured to couple to at least one actuator. The at least one actuator is actuatable to vary the three-dimensional cross-section of the flowpath.
摘要翻译： 在一个实施例中，公开了一种变形复合三维结构。 变形复合三维结构包括柔性纤维增强陶瓷复合材料，其包含纤维预制件和浸入其中的陶瓷基体材料。 柔性纤维增强陶瓷复合材料限定了具有三维横截面的流路。 流路的横截面沿着流路的长度是可变的。 多个锚固体一体地形成在纤维预制件中。 多个锚定件延伸穿过陶瓷基体的厚度。 所述多个锚构件被配置成联接到至少一个致动器。 至少一个致动器可致动以改变流路的三维横截面。
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公开(公告)号：US09279740B2
公开(公告)日：2016-03-08
申请号：US13945172
申请日：2013-07-18
IPC分类号： G01B5/14 , G01M9/02 , G01M9/04 , G01M9/06 , G01M17/007
CPC分类号： G01M9/02 , G01B5/14 , G01M9/04 , G01M9/062 , G01M17/007
摘要： In accordance with one aspect of the present disclosure, an apparatus and a method of testing one of aerodynamic and acoustic characteristics of a vehicle is described. The method includes measuring a vehicle center using a gauge. The gauge includes a carrier section from which a pair of arms extend in opposed directions. Each of the arms has an axle center locator. The carrier section has a vehicle center marker. Upon determination of the vehicle center, the vehicle can be located in a wind tunnel at a predetermined location and exposed to an enhanced air flow.
摘要翻译： 根据本公开的一个方面，描述了测试车辆的空气动力学和声学特性之一的装置和方法。 该方法包括使用量规来测量车辆中心。 该计量器包括载体部分，一对臂从该载体部分沿相反的方向延伸。 每个臂都有一个轴心定位器。 载体部分具有车辆中心标记。 在确定车辆中心时，车辆可以位于预定位置处的风洞中并暴露于增强的空气流。
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87.发明申请公开(公告)号：US20140076041A1
公开(公告)日：2014-03-20
申请号：US13623346
申请日：2012-09-20
申请人： Eric E. Adamson , Alicia L. Bidwell
发明人： Eric E. Adamson , Alicia L. Bidwell
摘要： A method for removing interference-induced distortion effects from an environment used to experimentally measure aerodynamic signatures. A space marching algorithm is used to extract the effects of environment including rail and wall reflections and rail edge effects to create an interference-free pressure signature.
摘要翻译： 从用于实验测量空气动力学特征的环境中去除干扰引起的失真效应的方法。 使用空间行进算法来提取环境的影响，包括轨道和墙壁反射和轨道边缘效应，以创建无干扰压力特征。
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公开(公告)号：US08650944B2
公开(公告)日：2014-02-18
申请号：US13419033
申请日：2012-03-13
IPC分类号： G01M9/02
摘要： A method and apparatus for an icing simulation system. The icing simulation system comprises a wind tunnel, a nozzle system, and a controller. The nozzle system is configured to spray drops of water within the wind tunnel. The controller is configured to control a number of properties of the water in the nozzle system such that the nozzle system sprays the drops of the water with different sizes for a desired type of icing condition.
摘要翻译： 一种结冰仿真系统的方法和装置。 结冰仿真系统包括风洞，喷嘴系统和控制器。 喷嘴系统被配置为在风洞内喷射水滴。 控制器被配置为控制喷嘴系统中的水的许多属性，使得喷嘴系统以不同的尺寸喷射水滴以达到所需类型的结冰条件。
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公开(公告)号：US20120144911A1
公开(公告)日：2012-06-14
申请号：US13313717
申请日：2011-12-07
申请人： Michel Moliere
发明人： Michel Moliere
IPC分类号： G01M9/02
摘要： A wind tunnel making it possible to measure the vaporization parameters of a test liquid exposed in a gas flow is disclosed. The wind tunnel comprises: a gas generator configured to generate a gas at a flow rate and at a temperature that are adjustable; a conditioning device designed to obtain a horizontal and uniform flow of the generated gas; a measurement chamber containing the liquid to be tested and various measurement devices making it possible to characterize the flow of gas passing through the measurement chamber; a tapping and analysis zone in which the gas-and-vapor mixture is tapped analyzed; and a discharge zone configured to discharge the gas-and-vapor mixture. The liquid to be tested in the tunnel presents a free surface positioned inside the measurement chamber in a manner such that it is swept continuously and tangentially by the uniform flow of gas.
摘要翻译： 公开了一种能够测量在气体流中暴露的测试液体的蒸发参数的风洞。 风洞包括：气体发生器，其构造成以可调节的流量和温度产生气体; 设计用于获得产生的气体的水平和均匀流动的调节装置; 包含待测试液体的测量室和可以表征通过测量室的气体流动的各种测量装置; 分析气体和蒸汽混合物的攻丝和分析区域; 以及排出区，其构造成排出气体和蒸汽混合物。 在隧道中待测试的液体呈现位于测量室内部的自由表面，使得它被均匀的气流连续地和切向地扫过。
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公开(公告)号：US20110138902A1
公开(公告)日：2011-06-16
申请号：US12994065
申请日：2009-05-27
申请人： Robert D. White , Joshua S. Krause
发明人： Robert D. White , Joshua S. Krause
CPC分类号： H04R1/406 , H04R2201/003
摘要： The present invention relates to microelectromechanical systems (MEMS). In particular, the present invention relates to MEMS arrays for use in acoustics and other applications.
摘要翻译： 本发明涉及微机电系统（MEMS）。 特别地，本发明涉及用于声学和其它应用的MEMS阵列。
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