Reccent Research on the Flow Through Turbine Blade Rows

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概要

• 論文の詳細を見る

• Recent research on the flow through turbine blade rows covers the following regions : (i) theoretical analyses of inviscid and viscous compressible flow through cascades or turbine stage, (ii) experimental investigations of the cascades and turbine stages, (iii) secondary flow, (iv) unsteady flow, (v) design methods, (vi) wet steam flow, and (vii) special turbines. In this review, research carried out over the past five years was dealt with. As regards the development in computing methods of internal flow, a time-marching method of viscous compressible transonic flow through a stage and an inviscid unsteady flow calculation was explained. As for secondary flow, theoretical analysis has been improved significantly as of late. However, more information on the turbulence structure of blade boundary layers and on the mixing process in the downstream of blade rows and the effect of leading edge vortices are necessary. Unsteady flow in a blade row due to the wake of the upstream blade row can be well described, but the more important unsteady flows in the low pressure stages, caused by non-uniform flow at low flow rate conditions or due to the fluctuation of the shock wave location, remain unsolved.

• 一般社団法人日本機械学会の論文
• 1987-11-16

著者

• Hirayama N

  Tokyo Metropolitan Univ. Tokyo Jpn

• Hirayama Naomichi

  Department Of Mechanical Engineering Faculty Of Technology Tokyo Metropolitan University

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• Flow Characteristics and Methods of Flow Calculation of High-speed Compressible Flow through Pipe Orifices
• A Theoretical Solution of Quasi-3D Compressible Flows in Turbomachines : 2nd Report, Flows on an Assumed S2 Stream Surface
• Theoretical Solution of Quasi-3D Compressible Flows in Turbomachines : 1st Report, Fundamental Relations and Especially Flow for S1 Surfaces
• Rigorous Solution of Compressible Potential Flow Past Two-Dimensional Cascades of Airfoils : Especially for High Subsonic Flow
• Study of Catalytic Reduction of Nox in Flue Gas from a Municipal Refuse Incinerator (Experimental Results of Nox Removal Test Plant)
• Reccent Research on the Flow Through Turbine Blade Rows
• Exact Solution of Compressible Potential Flow Past a Body of Revolution at Zero Incidence : Especially for High Subsonic Flow

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