نتایج جستجو برای: vane test
تعداد نتایج: 813427 فیلتر نتایج به سال:
SUMMARY The aerodynamic design and experimental performance of a centrifugal compressor designed for a pressure ratio of 6.5 and a specific speed of 68 are described, The compressor consisted of a radially-vaned impeller and a transonic, vaned radial diffuser. At design speed a peak overall total-to-total isentropic efficiency of 0.746 was achieved at the maximum pressure ratio of 5.9, rising t...
The tungsten vane monitors (TVMs) on the SRS at Daresbury are used operationally to monitor the photon beam position and angle on user beamlines. On many of these lines the TVM output is used to perform automatic feedback correction and it is therefore crucial to optimise the TVM precision and stability. Recent changes to TVM bias voltages and amplifier gain are reported which have improved the...
A plane subsonic jet was subjected to periodic oscillations in the near nozzle region by a twin vane system. During excitation, the jet was found to spread significantly and entrain mass much more than its steady counterpart. Time averaged static pressure measured in the flow field with a disc probe exhibited prominent well defined suction regions different from that of a steady jet.
In this paper, a simulation-based method is proposed for optimal placement of vibration sensors for the purpose of fault detection in a centrifugal pump. The centrifugal pump is modeled to investigate the effect of vane tip fault on fluid flow patterns numerically. Pressure pulsations are investigated at different locations at the inner surface of the pump before and after the presence of the f...
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