查询词典 hingeless

Dynamic stability and control laws of a hingeless rotor helicopter were studied.

研究了无铰直升机动稳定性、操纵性和控制问题。

Based on the summary of the others researches,the applied calculation methods of the lateral stability of catenary single rib hingeless arch that carried the vertical loadings were analyzed.

在总结前人研究成果的基础上，重点探讨了悬链线单肋无铰拱在竖向荷载作用下，横向稳定影响的实用计算方法。

A theory of aeroelastic stability of hingeless rotor blade in hover by using the Galerkin weighted residual finite element method is developed in this paper.

采用伽辽金加权余数有限元素法发展了一种悬停状态下无铰旋翼桨叶气弹稳定性的分析方法。

The theoretical formulas for both a Hingeless and the Dolphin-2 Helicopter in maneuvering flight are derived in detail. Also analytical methods and calculating programs are developed.

全面推导了无铰旋翼直升机以及海豚型直升机的机动飞行计算公式，并建立了这两种类型直升机的机动飞行运动学和机动飞行动力学的理论分析方法和计算程序软件。

Improved stability is provided in a hingeless helicopter rotor by inclining the principal elastic flexural axes and coupling pitching of the rotor blade with the lead-lag bending of the blade.

改进的稳定是提供在一个铰旋翼由倾斜的主要弹性弯曲轴和俯仰耦合的转子叶片与铅滞后弯曲的叶片。

Measures could be adopted in the design are introduced in this article by calculating and analyzing the ellipse flat arch bridge from two engineering examples and comparing the differences between two hinged arch and hingeless arch in different rise-span ratio.

结合工程实例，对椭圆轴线坦拱进行计算分析，比较了不同矢跨比情况下两铰拱、无铰拱的区别，介绍了在设计中采取的措施。

Contrarotating coaxial three-blade rotors; hinge rotor head with 'rake'-type blade attachment, to be succeeded eventually by hingeless head made of titanium and composites.

的反向同轴三叶片转子；铰链'旋翼头rake'型刀片附件，将成功最终由钛和复合材料制成的无铰头。

Refined development of Ka-26 / 126 ; new rotor system with hingeless hubs and glass fibre/carbon fibre blades; changes to shape of nose, twin tailfins and rudders, and passenger pod; passenger cabin has much larger windows and remains interchangeable with variety of payload modules including agricultural systems with hopper capacity of 1,000 litres; Kamov BP-226 transmission; new rotor system, interchangeable with standard coaxial system, will become available later.

精制发展嘉- 26 / 126 ，新的无铰旋翼系统，集线器和玻璃纤维/碳纤维叶片；改变鼻子的形状，双尾翼和方向舵，和乘客荚；客舱有更大的窗户，依然可与多种有效载荷模块包括料斗1000升容量的农业系统，卡莫夫公司的BP - 226的传输，新的转子系统，与标准同轴系统互换，也可以使用更高版本。

In the method ,the blades are treated as rigid ones with offset and spring restrained hinges and with structural coupling between flap and lead lag motion for the purpose of being applicable to hingeless or starflex rotors .

采用带外伸量及弹性约束的当量铰桨叶模型，考虑了旋翼挥／摆结构耦合及动力入流非定常气动力，建立了悬停状态旋翼／机体耦合动稳定性分析方法，适用于星形柔性及无铰式等旋翼系统。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。