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Session 2526

FLUID MECHANICS FACILITIES AND EXPERIMENTS FOR THE MECHANICAL ENGINEERING TECHNOLOGY STUDENT

Walter R. Kaminski Mechanical Engineering Technology Central Washington University Ellensburg, WA 98926

Abstract

Three novel experimental fluid mechanics facilities are described in this paper. Typical experiments using these facilities will also be discussed. The facilities are used in teaching the laboratory component for a Mechanical Engineering Technology (MET) fluid mechanics course at Central Washington University (CWU). The facilities and related experiments have been found to be very useful in bridging the gap between theory and hands-on experience. The experimental facilities that will be described in this paper are referred to as: (1) the water flow measurements loop, (2) six inch air flow tunnel, and (3) the Torricelli experiment.

Nomenclature

A0 orifice flow area [A0 = π/4(d0)2 ], in2 A1 water flow orifice or venturi pipe area (see Figure 4), in2 A2 water flow or venturi throat area (see Figure 4), in2 CD flow discharge coefficient, d’less C1 weight scale calibration factor, lbf/volt C2 linear potentiometer calibration factor, lbf/volt CT turbine meter calibration constant, GPM/Hz d0 water aperture diameter (see Figure 16), in. d2 orifice or venturi throat diameter (see Figure 4), in. f turbine meter frequency signal, Hz g acceleration of gravity, 32.2 ft/sec2 h(t) fluid height (Torricelli experiment), in. H height of aperture above ground plane (Torricelli experiment), in. pn pressure at location n ( n = 0,1,2,3 ...), psia ∆P pressure differential across an orifice or venturi, psid QCALC calculated water flow rate for orifice or venturi, GPM QIDEAL ideal water flow rate for orifice or venturi, GPM QT water flowrate measured by turbine meter, GPM R range or trajectory of water jet, in. Re Reynolds Number based on a diameter, d’less S1 weight scale voltage signal, volts S2 linear potentiometer voltage signal, volts

Proceedings of the 2001 American Society for Engineering Education Annual Conference & Exposition Copyright © 2001, American Society for Engineering Education

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Kaminski, W. (2001, June), Fluid Mechanics Facilities And Experiments For The Mechanical Engineering Technology Student Paper presented at 2001 Annual Conference, Albuquerque, New Mexico. 10.18260/1-2--9279