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- contrarotating airscrew 反向旋转螺旋桨
- Moreover, they are also quieter, as they are not driven by an airscrew. 此外，由于不用空气螺旋桨驱动，所以噪音也比较
- The winding method of girder of airscrew isn t the same as the revolving body. 相对于干法缠绕成型而言 ,湿法缠绕成型可有效降低复合材料的制造成本。
- As far back as 400B.C., the Chinese were using the airscrew principle in building children's toys. 早在公元前400年，中国人就在儿童玩具中使用了这种空气动力学的原理。
- The winding method of girder of airscrew isn't the same as the revolving body.The winding method and system design is described in the paper. 本文阐述了叶梁缠绕原理和叶梁缠绕机的总体设计,介绍了叶梁缠绕机的主轴缠绕机构和放卷机构。
- Dynamic aortic valve, a novel design for left ventricular assistance is proposed.An impeller similar to the airscrew is placed in the position of aortic valve. 提出左心机械辅助的一种新设想-动力性主动脉瓣，在主动脉瓣的位置设置一可主动旋转的螺旋桨式机械性瓣叶(叶轮)。
- Crankshaft is marine the crucial part of engine, coupling derv engine and airscrew transfer drive, be known as 10 thousand tons annulus " heart " " heart " . 我国造船业数拾年以来一直欠缺这颗"心"。因为技能被海外企业把持,曲轴价钱高且难定货,柴油机岀产厂订不到不可岀产柴油机,船厂买不到主机不大敢接船舶货单。"
- In this thesis, the aerodynamic load simulation of one type of helicopter airscrew is studied, and the system"s structure and its mathematic model are analyzed. 论文结合实际的工程项目,以某型号直升机旋翼气动载荷模拟为研究内容,对加载系统的组成、系统数学模型进行分析和研究。
- The paper introduced the characteristics,methods and some aspects that must be noticed about the performance test of the contrarotating axial fan for mine ventilation at the actual locale. 介绍了矿用对旋轴流式主通风机的现场测试的特点、方法及有关的注意事项,其测试及计算方法准备工作量小,对仪器仪表的要求不高,计算过程简单。
- In the helicopter"s half-practicality simulation laboratory, load simulator is an important equipment to simulate the aerodynamic load acting on the airscrew while flying. 直升机的半实物仿真试验室中模拟旋翼在飞行中所受空气动力载荷的重要设备是负载模拟器。
- First, the structure of helicopter airscrew loading system was introduced, On the basis of single channel loading system"s math model, the system"s dynamic performance was analyzed. 论文首先介绍了直升机旋翼加载系统的结构,在建立了单通道加载系统的数学模型的基础上,分析了加载系统的动念性能。
- coaxial contrarotating propeller 同轴对转推进器
- high-skewed contrarotating propeller 大侧斜对转螺旋桨
- airscrew electric propulsion system 螺旋桨电驱动系统
- Airscrew electric propulsion systems 螺旋桨电推进系统
- Measuring pitch of adjustable pitch airscrew with boring machine 利用镗床测量调距桨螺距
- Multi-Channel Harmony Technology Used in a Helicopter Airscrew Loading Test 多通道直升机加载系统的协调问题研究
- The Research of Measure Technology in Helicopter Airscrew Pyramidal Angle 直升机旋翼共锥度测量技术的研究
- Keywords Local ventilator Bending and twisting orthogonal vane Contrarotating axial-flow; 关键词局部通风机;弯掠组合正交;对旋轴流;
- Keywords Finite element method;Fan for mine ventilation;Contrarotating axial form;Strength;Strain;Hub; 有限元法;主通风机;对旋轴流式;强度;应变;轮毂;
