TURBOPROPULSION
&
GAS DYNAMIC LABORATORIES

FACULTY:-

Professor Raymond P. Shreeve
Associate Professor Garth V. Hobson

  • Naval Postgraduate School Research Newsletter

    RESEARCH NEWSLETTER OCT. '98

    List of Archival Publications

    ARCHIVAL PUBLICATIONS

    FACILITIES:-

    Three large, reinforced concrete buildings of special design and one metal building (machine shop), located on the edge of the Monterey Peninsula Airport within the Naval Postgraduate School Golf Course enclosure.

    Low Speed Turbopropulsion Laboratory (Bldg. 213)

    For low speed experiments; contains a 700 HP blower in the basement, external inlet and exhaust towers, electrically actuated windows on all sides, pressure and suction floor panels, and is equipped with a 6000 lb. capacity overhead travelling hoist. A unique facility, the laboratory houses three major rigs and data systems as follows:

    RECTILINEAR CASCADE WIND TUNNEL

    3-STAGE AXIAL COMPRESSOR

    • Outer Diameter 36"
    • Hub - Tip Ratio 0.6
    • Power 150 HP
    • Speed 1.2, 1.6 & 2.4 KRPM
    • Fully Instrumented

    CENTRIFUGAL DIFFUSER TEST DEVICE

    • Test Section 50" - 96" Diam. by 2"
    • Mach No. 0 - 0.3
    • Flow Angle 58 deg. to 72 deg.
    • Survey Probes and LDV Access

    DATA ACQUISITION SYSTEMS

    • HP3052A Data Acquisition System
    • Pneumatic Scanivalves (5x48)
    • Temp. RPM, Torque, Kullites
    • HP9000 Series 300 Computer
    • TSI Two-Component LDV System, Standard Optics, XYZ Traverse Table
    • TSI Four Channel Hot Wire System

    High Speed Turbopropulsion Laboratory (Bldg. 215)

    Reinforced concrete building containing a 1200 HP compressed-air power supply (11 lbs/sec at 3 atmospheres, continuous), two explosion-proof test cells for high speed compressor and turbine testing, calibration and model test bay, control room, computer room, conference room and offices. The two major rigs and data systems are as follows:

    TURBINE TEST RIG

    COMPRESSOR TEST RIG

    CALIBRATION AND MODEL TEST BAY

    HOT SPIN-PIT TEST FACILITY

  • Maximum rotational speeds: 30,000 rpm 20,000 rpm
  • Maximum rotor weights: 250 lbs 1500 lbs
  • Maximum rotor size: 50 in. diameter, 24 in. length
  • Rotor heating capability: 40 HP or
  • Rotor temperature of 2000 deg. F.

    Spin-Pit Cover showing the drive turbine and strain gage slip ring unit

  • A couple of rotors tested thus far

    Two-stage Rocket-Turbine Rotor

    to approx. 10,000 rpm

    Transonic Fan Rotor

    to approx. 27,000 rpm
    with airjet and magnet (Hood Technology) blade excitation
    instrumented with strain gages and capacitive blade deflection non-contact probes (NSMS)

    DATA ACQUISITION SYSTEMS

    • HP System with 120 channel scanner
    • Pneumatic Scanivalves (5x48)
    • DVM, SVM, Pacer, Counter, 16 Channel 100 KHz A/D DMA
    • HP9000 Series 300 Computer
    • TSI Three-Component LDV, Fibre Optics, XYZ Traverse
    • HP/Agilent Infinium Four Channel Signal Analyser with Hard Disk (2)

    GAS DYNAMICS LABORATORY

    SHORT DURATION BLOW-DOWN FACILITIES

    HIGH SPEED UAV AND MISSILE PROPULSION

      Instrumented for Thrust, air and fuel mass flowrate measurements
      For future Mach number and turboramjet tests
  • High Speed UAV and Missile Propulsion

    MPEG of the Shrouded Microjet running in the test stand

    MPEG of the Shrouded Microjet running in the FreeJet