Accession Number : ADA189310

Title :   High Reynolds Number Pump Facility for Cavitation Research.

Descriptive Note : Technical rept.,

Corporate Author : PENNSYLVANIA STATE UNIV UNIVERSITY PARK APPLIED RESEARCH LAB

Personal Author(s) : Farrell, K J ; McBride, M W ; Billet, M L

PDF Url : ADA189310

Report Date : Sep 1987

Pagination or Media Count : 29

Abstract : A High Reynolds Number Pump Facility (HIREP) designed for cavitation studies in the bladetip/endwall region of an axial flow pump is described in this paper. The facility consists of a 1.07-m diameter pump state driven by a 1.22-m diameter downstream turbine. An incompressible Reynolds Number of 6,000,000 at the rotor tip is achievable. The two units rotate on a common shaft and operate in the 1.22-m diameter test section of the Garfield Thomas Water Tunnel of the Applied Research Laboratory Penn State. The facility was designed to accommodate laser velocimeter (LV) measurements in the pump stage, radially traversing five-hole probes in every stage, and a number of transducers in the rotating frame of reference: steady and unsteady pressure transducers force and torque cells, and accelerometers. The latter capability is provided by a slip-ring unit and hollow blade passage ways for conductors from the instrumentation in rotor-tip region. An optical quality window for LV measurements and other windows and ports are available for visual observation and instrumentation access. Keywords: Hydraulic machinery, Cavitation, Rotary pumps, Axial flow, Turbomachinery, Pressure transducers.

Descriptors :   *ROTARY PUMPS, ACCELEROMETERS, ACCESS, AXIAL FLOW, BLADES, CAVITATION, CELLS, HYDRAULIC EQUIPMENT, INCOMPRESSIBLE FLOW, INSTRUMENTATION, LASER VELOCIMETERS, MACHINES, OPTICAL EQUIPMENT, OPTICAL PROPERTIES, PRESSURE TRANSDUCERS, PROBES, PUMPS, REYNOLDS NUMBER, SHAFTS(MACHINE ELEMENTS), STEADY STATE, TORQUE, TRANSDUCERS, TRAVERSING MECHANISMS, TURBOMACHINERY, VISUAL PERCEPTION, WALLS, WATER TUNNELS, WINDOWS, RESEARCH FACILITIES, TURBINE BLADES

Subject Categories : Pumps, Filters, Pipes, Tubing, Fittings & Vlvs
      Fluid Mechanics
      Test Facilities, Equipment and Methods

Distribution Statement : APPROVED FOR PUBLIC RELEASE