三维叶片 meaning in English
three dimensional blade
Examples
- The propose of this project is to develop a three - dimensional , compressible navier - stokes solver for detailed study the flow inside transonic turbine and compressor ' s stator in the airplane turbomachinery
摘要本研究的目的在发展一系列飞机滑轮引擎之静子叶片的计算流体力学方法与程式，计算程式方面包括三维叶片格点的建立与黏性流程式开发及撰写等，程式发展完成后将进行一系列外形及气流条件计算模拟。 - The main object of this paper is to design a diagonal impeller , which requires small size and high rotating speed the first step of design is to solve the radial distribution of parameters at the inlet and outlet of the blade , such as pressure , temperature and velocity . and then , according to the radial distribution , we can design the diagonal impeller blade . blade elements are defined on a cone , which pass through the blade edge streamline location
其设计思想是采用准三维设计方法，先进行二维流场计算，在叶片轴向间隙中设立计算站，应用数值计算方法计算叶片前后缘的压力、温度、速度等参数沿叶高的分布，然后根据这些参数，选取若干个回转面进行叶型设计；再将各回转面上得到的基元叶型沿某一个积叠轴积叠起来形成三维叶片，最后对得到的三维叶片进行试验，并对实验结果进行分析比较。 - A new aerodynamic design system developed by authors for draft fan with enhanced efficiency , suppressed noise , enlarged flux and high load . the new design system features : a twist regulation for vortex control is employed in designing to lessen the secondary flow loss in the blade tip and hub ; the feasibility and high efficiency of this procedure has been verified by the tests of the prototype fan ; a new computer - aided 3d blading is used to optimize the blade ; numerical inverse checking is adopted to enhance accuracy in designing and cut down the period of the designing and production . this design system can make the optimized blade with " forward inclination " , " inclining sweep " , " bending sweep " , to minimize the various secondary flow losses , to expand the steady working range of the fan , and to suppress the aerodynamic noise source
本文通过对一种新型高性能矿用局部通风机的设计、制造及试验全过程的综述，展现了新的先进设计体系在民用通风机上的成功运用，其研制特点是： ( 1 )在叶片气动设计中为了降低叶根及叶尖区二次流损失，采用可控涡扭向规律设计，样机实测的高性能验证了这种方法的可行性和高效性； ( 2 )在设计方法中采用较精确的数值反验算，获取最优设计方案，大大提高设计的准确性和成功率，并缩短了设计试制周期； ( 3 )在设计过程中发展了计算机辅助三维叶片造型新方法，可以根据设计需要简便快捷地对叶片进行“前倾” 、 “倾掠”或“弯掠”造型，这些造型对减小各种二次流损失、扩大稳定工况范围和控制叶轮机气动噪声源起到了非常好的作用。 - Abstract : a new aerodynamic design system developed by authors for draft fan with enhanced efficiency , suppressed noise , enlarged flux and high load . the new design system features : a twist regulation for vortex control is employed in designing to lessen the secondary flow loss in the blade tip and hub ; the feasibility and high efficiency of this procedure has been verified by the tests of the prototype fan ; a new computer - aided 3d blading is used to optimize the blade ; numerical inverse checking is adopted to enhance accuracy in designing and cut down the period of the designing and production . this design system can make the optimized blade with " forward inclination " , " inclining sweep " , " bending sweep " , to minimize the various secondary flow losses , to expand the steady working range of the fan , and to suppress the aerodynamic noise source
文摘:本文通过对一种新型高性能矿用局部通风机的设计、制造及试验全过程的综述，展现了新的先进设计体系在民用通风机上的成功运用，其研制特点是： ( 1 )在叶片气动设计中为了降低叶根及叶尖区二次流损失，采用可控涡扭向规律设计，样机实测的高性能验证了这种方法的可行性和高效性； ( 2 )在设计方法中采用较精确的数值反验算，获取最优设计方案，大大提高设计的准确性和成功率，并缩短了设计试制周期； ( 3 )在设计过程中发展了计算机辅助三维叶片造型新方法，可以根据设计需要简便快捷地对叶片进行“前倾” 、 “倾掠”或“弯掠”造型，这些造型对减小各种二次流损失、扩大稳定工况范围和控制叶轮机气动噪声源起到了非常好的作用。