Through adjusting the blade angle, the efficiency of the impeller has been enhanced 3.
研究了采用三次B样条曲线描述叶轮叶片几何型线的基本方法,对半开式离心叶轮的气动性能进行了分析;通过调整叶片角的分布,使离心叶轮最高效率提高了3。
According to the analysis of the experimental results,we put forward the expression of the influence of the blade angle of mixed-flow pump on the functional parameters, such as efficiency ,shaft power coefficient ,liquid flow angle of impeller exit ,resistance coefficient and friction coefficient, and provided the theoretical basis for the study on the function of mixed-flow pump.
根据对已有试验成果的分析,提出了混流泵叶片角对效率、轴功率系数、叶轮出口液流角、阻力系数和摩擦系数等有关性能参数影响的表达式,为进一步研究混流泵性能提供了理论基础。
Two centrifugal compressor impellers with different meridional shape and blade angle were designed using computer-aided integrated design systems.
采用离心压气机计算机辅助集成设计系统,设计了两个不同子午形面和叶片角的离心压气机叶轮。
Analyse and compare optimal results of two sorts of circulating water systems with fixed vane angle and adjustive vane angle.
以某电厂300MW机组循环水系统为例,通过建立优化运行的数学模型,利用非线性规划的SUMT算法,计算了系统的最优运行方式,并分析比较了采用固定叶片角度循环水泵和采用可调叶片角度循环水泵两类循环水系统的优化结果。
The effect of two leaves and leaf angle to axile flow pump and blower fan working capability;
二叶及叶片角度对轴流泵和风机性能的影响
Herbivory in relation to leaf development during leaf expansion in Rhododendron latoucheae (Ericaceae)
鹿角杜鹃展叶期叶片发育与虫食动态
Influence of Rotating Angle of Short Blade on the Performance of impeller of Centrifugal Blower with Slotted Blade
短叶片转角对开缝叶片离心鼓风机叶轮性能的影响
Research on Tissue Culture of Oxalis Triangularis by Leaf Blade;
三角紫叶酢浆草叶片外植体组织培养研究
A New Record Genus and Species of Idiocerinae(Hemiptera:Cicadellidae) from China
片角叶蝉亚科——中国新纪录属种(半翅目:叶蝉科)
Analysis of Volatile Components from Bougainvillea glabra ‘Formosa’ by GC-MS
光叶三角梅‘Formosa’叶片挥发性组分的GC-MS分析
orchid having two triangular leaves and a short lax raceme of green to rust-colored flowers with the lip flushed mauve; Europe and Asia and North America and Greenland.
有两片三角形叶子的兰花，总状花序短
An Finite Element Analysis for Stresses and Twist Recovery Angle of Long Blades in Steady Operation
长叶片和叶片组稳态应力及扭转恢复角的有限元法
First Research on the Relationship Between Blade Area and Petiole Length,Internodes Length,Leaf Inclination Angle of Trees
树木叶片面积与叶柄长、节间长和叶倾角的关系初探
Relationship Between Medial Axis Pattern of Plant Leaf and Mechanics Self-Adaptability(Ⅱ): Vein Structures with Different Vector Angles and Topological Pattern of Plant Leaf
植物叶片中轴图式与力学自适应性的关系(Ⅱ)——不同向量角的叶脉结构和叶片拓扑图
An Investigation of the Oblique Angle for Louvered Fins in Vehicle Radiators
车用散热器中百叶窗翅片倾斜角度的研究
The Measurement of the Restoration Angle of Twist of a Long Blade by Laser Super-highspeed Photography
激光超高速摄影测定长叶片扭转恢复角
Taxonomic and Phylogenetic Studies on the Subfamily Idiocerinae from China (Hemiptera: Cicadellidae);
中国片角叶蝉亚科分类及系统发育研究
Study on performance of low specific speed sewage pump with different vane wrap angles
低比转速污水泵叶片包角对水力性能的影响
Analysis effects of blade angle on centrifugal pump performance
叶片安放角变化规律对离心泵性能影响分析
INFLUENCE OF BLADE-STAGGER DEPARTURE ON THE MIGRATION OF HOT STREAK IN TURBINE PASSAGE
叶片安装角偏差对涡轮通道内热斑迁移的影响
Performance Analysis for Hydrodynamic Retarder with Different Vanes
液力缓速器叶片变角度的缓速性能分析
Effects of Water Loss Stress on Leaf Photosynthesis of Bougainvillea spectabilis Cuttings
失水胁迫对三角梅插穗叶片光合作用的影响