进行了叶型设计技术和准则的研究。
实验证明,叶型影响不大;
建议不采用环流系数大于4的涡轮叶型。
Therefore blades with a circulation coefficient of mere than 4 should not be used.
叶型中线的形状决定了叶片对气流的作功规律。
The shape of blade form centerline determined the work regular of blade to airflow.
从后缘,叶型中心和前缘可预料得到有价值的数据。
Interesting values may be expected from the trailing edge the profile centre and the leading edge.
目的探讨大叶型细支气管肺泡癌的影像学诊断特征。
Objective To evaluate the diagnostic value of X ray and CT findings of lobar bronchoalveolar carcinoma.
甘蔗叶型主要包括两个方面:叶片角度和叶面积大小。
The leaf types of sugarcane mainly includes two characteristics:leaf area and leaf angle with main stalk.
详细介绍了测量方法和如何得到各叶轮的零件图和叶型图。
The measuring method is expatiated and how to get the part drawings and blade profile drawings are described in details by the author.
本文对叶型优化在非定常流动条件下的效果进行数值研究。
In this paper, the blade optimization effect has been investigated by numerical method under the condition of unsteady flow.
叶型金属响片随着身体的摆动飞舞,相互敲击发出悦耳声响。
The leaf like metal sound pieces could swing along with the dance steps and rap out delightful sounds.
压气机叶型气动优化设计目标是静压升最大和总压损失最小。
The maximization of the static pressure rise and minimization of the total pressure loss are taken as the design targets.
通风机叶片在原始叶型选定后,叶片形状只能由叶型中线确定。
Fan blade form is only determined by centerline of blade form after selecting original blade form.
本文报告了一种典型透平静叶型叶片正弯曲作用的实验研究结果。
This paper reports the experimental investigation of the effects of positively bowing of a typical stator blade.
此外还给出了两种叶尖间隙和两种叶型对失速颤振影响的实验结果。
This paper also presents the experimental results of effects of the blade tip clearance and the airfoil shape on the stall flutter boundary.
本文介绍了TBM - 6型水轮机转轮叶型测绘仪及其应用情况。
TBM-6 type blade shape measure Instrument for hydraulic turbine runner and its application were introduced in this paper.
本文用H型网格和特殊的差分格式数值求解了粘性不可压缩叶型绕流。
The numerical solution of incompressible viscous flow over an aerofoil is obtained by H-type grids and a special difference scheme.
其工程上的设计方法比较单一,普遍采用的方法是孤立叶型法和叶栅法。
The most popular design methods of the axial fan are the Single Aerofoil Method and the Cascade Method.
本文介绍汽轮机叶栅叶型及叶片优化近计的各种方法,并提出几点看法。
In this article, different methods of optimum design for steam turbine cascades and moving blade are introduced, finally view on their future development is expressed.
汽轮机叶片制造中,叶片叶型的内弧、背弧形状通常是使用样板来检验的。
Inner arc and carry arc of the blade have been tested by the model in processing steam turbine blade.
适用于固定或流动式的滑叶型及螺旋型空气压缩机,特别适用于负荷的操作。
Applicable to fixed or mobile sliding vane type and screw air compressor, especially suitable for load operation.
用远缘杂交后代为材料,测定了不同叶型不同时期的叶绿素含量、光合强度。
Determining different leaves kinds chlorophyl content and photosynthetic intensity in different stage by using distant crossing posterity as material.
详细介绍了利用给定载荷法进行风机三元叶型设计的方法,并展示了设计实例。
D blade form design of fan carried out by given Loaded method is introduced in detailed and design example is shown.
提出了按水泵给定流道参数和转数,从水轮机方向计算叶型的全三维逆向设计方法。
This paper proposes a three-dimension reverse design method of blade based on turbine according to the flow parameters and revolution of pump.
在内罗毕的非洲医学和研究基金会的实验室在若干粪便样本中确认了稻叶型霍乱弧菌。
Vibrio cholera Inaba has been laboratory confirmed in several stool samples by African Medical and Research Foundation (AMREF) laboratories in Nairobi.
根据叶型表面的压力分布,着重分析了叶型的空气动力绕流和叶栅特性的变化规律。
According to the pressure distribution on the airfoil surface, analysis is made particularly of the airflow around the airfoil and of the variation law of cascade characteristics.
棕榈叶徽章棕榈叶型小勋章,军事荣誉勋章的附加装饰,已不止一次地授予过此勋章。
A small metallic representation of a palm leaf added to a military decoration that has been awarded more than one time.
给出了轴流风机薄板叶型的三种解析设计方法,并对所设计叶型的气动性能作了比较。
Three different analytical thin blade design methods are presented together with their aerodynamic performance comparison.
原发性颅底软骨肉瘤主要分为普通型和间叶型,两型的临床特点不同,治疗预后亦不同。
Conventional and mesenchymal chondrosarcomas are its two main types which are different in clinical characteristic, treatment, prognosis and so on.
本文介绍了利用线切削方法在通用机床上加工非可展直纹抛物面导风轮叶型的原理与装置。
Paper describes the principle and device for machining inducer blades with non-developable parabolic surface profiles with general purpose machines by using the linear-cutting method.
全面介绍了TBM - 6型大型水轮发电机组水轮机转轮叶型测绘仪的开发、研制及应用情况。
The research and application of the TBM-6 type blade shape measure Instrument for hydroturbine runner were introduced in this paper.
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