Recursos de colección

Caltech Authors (170.931 recursos)

Repository of works by Caltech published authors.

Group = Hypersonic Research Project

Mostrando recursos 1 - 2 de 2

  1. Development and Calibration of a Cold Wire Probe for Use in Shock Tubes

    Christiansen, Walter H.
    Th e use of a fine unheated wire for making s hock tube flow measurements is investigated. The operation of the instrument depends on the transient nature of the shock tube flow. The wire is referred to here as a cold wire; it operates in a non-steady manner which is completely different from the usual hot wire operation. This report describe s the construction and calibration of the cold wire. The experimental law for the rate of gain of heat to the wire 1n air is determine d over a range of Mach numbers from 0.4 to 1.9 and a range of Reynolds...
    (application/pdf) - 28-ago-2017

  2. Use of Fine Unheated Wires for Heat Transfer Measurements in the Shock Tube

    Christiansen, Walter H.
    This report describes the application of fine cold wires for heat transfer measurements in the shock tube. The use of the calorimetric property of the wire results in a heat transfer instrument with an output of .25 mv/oC and a response lag of less than 1 µsec. The gage construction, calibration, and response characteristics are discussed. Some preliminary results are also presented.
    (application/pdf) - 28-ago-2017

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