全部文献期刊学位论文会议报纸专利标准年鉴图书|学者科研项目
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作者:Chang Ho Son , Hyun Bae Jin , Myung Jin Kim ...
来源:[J].Journal of Mechanical Science and Technology(IF 0.616), 2014, Vol.28 (7), pp.2697-2706Springer
摘要:Abstract(#br)The impeller and the spiral casing are the key components of a centrifugal pump. Many studies have investigated the impeller, but further research of the spiral casing is needed to improve the performance of centrifugal pumps. The current study uses numerical analysi...
作者:Parameswara Rao Nakkina , K. Arul Prakash , G. Saravana Kumar
来源:[J].Engineering Applications of Computational Fluid Mechanics(IF 1.144), 2016, Vol.10 (1), pp.296-310Taylor & Francis
摘要:ABSTRACT(#br)The design of optimum spiral casing configuration is a difficult task and a big challenge in the field of turbomachinery. Computational fluid dynamics (CFD) analysis of fluid flow characteristics in a ...
作者:G. Biswas , V. Eswaran , G. Ghai ...
来源:[J].International Journal for Numerical Methods in Fluids(IF 1.352), 1998, Vol.28 (1), pp.143-156Wiley
摘要:Abstract(#br)Flow through the spiral casing of a hydraulic turbine was analyzed. Reynolds averaged Navier–Stokes equations were solved using a finite element method. The physical domain was divided into a number of hexahedral elements which are isoparametrically mapped ont...
作者:P. K. Maji , G. Biswas
来源:[J].International Journal for Numerical Methods in Engineering(IF 2.056), 1999, Vol.45 (2), pp.147-174Wiley
摘要:Abstract(#br)Numerical simulation of complex three‐dimensional flow through the spiral casing has been accomplished using a finite element method. An explicit Eulerian velocity correction scheme has been deployed to solve the Reynolds average Navier–Stokes equations. The s...
作者:A. A. Klyukach
来源:[J].Power Technology and Engineering, 2014, Vol.47 (6), pp.408-415Springer
摘要:Formation of asymmetries ina spiral casing subject to low- and high-frequency loads, and their effect on the studs securing the cover to the turbine are examined. Vibration parameters at the Sayano-Shushenskaya and Grand Rapids HPP are correlated.
作者:P.K. Maji , G. Biswas
来源:[J].Computer Methods in Applied Mechanics and Engineering(IF 2.617), 1998, Vol.167 (1), pp.167-190Elsevier
摘要:Abstract(#br)A weighted residual based finite element method has been used to predict the flow structure and the head loss in the spiral casing of a reaction turbine. An explicit Eulerian velocity correction scheme has been employed to solve the complete Reynolds-averaged Navie...
作者:L J Zhang , M P Xie , Y P Li
来源:[J].IOP Conference Series: Earth and Environmental Science, 2018, Vol.163 (1)IOP
摘要:... The water turbine has a small radius size, a long and narrow flow passage and higher velocity, so the hydraulic loss in spiral casing and stay vane is too high to decrease the hydraulic efficiency. To decrease hydraulic loss, three diversion components with different spiral casing...
作者:Kaveh Amiri , Michel J. Cervantes , Berhanu Mulu
来源:[J].Journal of Hydraulic Research(IF 1.037), 2015, Vol.53 (4), pp.452-465Taylor & Francis
摘要:... Pressure measurements on the model runner blades indicated that the spiral casing delivers a poorly conditioned flow to the guide vanes close to the lip-entrance junction, resulting in flow separation on the guide vanes. The asymmetric flow delivered to the runner induces lar...
作者:Xiao-dong PENG , Zhao-hui YANG , Shan-jun LIU ...
来源:[J].Journal of Hydrodynamics, Ser.B, 2014, Vol.26 (1), pp.137-143Elsevier
摘要:Abstract(#br)For the metal spiral casing of water turbines, a new equivalent pipe algorithm is developed based on the idea of equiangular spiral. Prototype tests and computations are carried out to investigate the hydraulic transient characteristics. The computation results by us...
作者:Ludovic Favre , Maxime Chiarelli , Nicolas El Hayek ...
来源:[J].IOP Conference Series: Earth and Environmental Science, 2019, Vol.240 (4)IOP
摘要:... During the test rig design, due to the different specific components of the axial turbine, a new concept was developed to replace the spiral casing. The current paper presents the new design of a substitution solution for the spiral casing of pico-hydroelectric plants and i...

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