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Cell 1 Specifications/Capabilities

Cell 1 of the Nozzle Test Facility can be equipped with three different test rigs. A 6x6 Supersonic Free Jet Tunnel (FJT), a High Pressure Ratio rig and a Subsonic/Supersonic Diffuser rig. An airflow calibration transfer standard can also be installed.

6x6 Supersonic FJT Specifications

• 6"x6" Nozzle Exit: 9"x9" Test Section
• Mach Number Range: 1.25 -- 4.0
• 3 independently measured and controlled bleed flows
• Test Section Angle of Attack Range: -5° to +10°
• Continuous operation

High Pressure Ratio Rig (HPR) Specifications

• Six Component Balance
  • Normal Force ±6,000 lbf
  • Axial Force ±1,000 lbf
  • Side Force ±2,000 lbf
  • Pitching Moment ±100,00 in-lb
  • Yawing Moment ±25,000 in-lb
  • Rolling Moment ±25,000 in-lb
• Single independently measured and controlled air flow
  • Primary flow maximum: 800 psia and 20 lb/s and 100°F
• Primary flow heated by a steam heat exchanger
• Continuous operation

Airflow Calibration Flow Standard

The airflow calibration transfer standard contains 162 critical flow venturi meters that have a common discharge coefficient curve traceable through a mass-time calibration system to the National Bureau of Standards.

• Mass Flow range: 0.04 -- 40 lb/s
• Discharge coefficient uncertainty for the transfer standard is estimated to be 0.07% for individual meters and 0.05% for meters operating in parallel.

If you would like to join the growing list of BTS clients and use the testing resources available at The Boeing Company, contact the BTS marketing manager Ms. LeAnn Diessner at 206-662-4287, request a quote online, or e-mail BTS for more information about our test capabilities.