Accession Number : AD0770251

Title :   Aircraft Fuel System Tests with Gelled Fuel-Flowmeters Calibration, Fuel Boost Pump and Jettison Tests.

Descriptive Note : Final rept. Dec 71-Nov 72,

Corporate Author : NATIONAL AVIATION FACILITIES EXPERIMENTAL CENTER ATLANTIC CITY N J

Personal Author(s) : Avbel,Joseph A.

Report Date : NOV 1973

Pagination or Media Count : 28

Abstract : The feasibility of using gelled fuel (nominal 250 centipoise viscosity) with full scale aircraft fuel system components was investigated. Tests indicated that turbine-type flowmeters are suitable for measuring flow rates with accuracies of one percent. Jettison and fuel feed operations were conducted using a B-57 wing fuel tank. Approximately three percent more gelled fuel than JP-5R remained in the tank after emptying the tank in both boost pump and jettison tests. Flow rates and times to empty the tank were significantly poorer with the gelled fuel when compared to the results obtained with the JP-5R fuel. The gelled fuel tested is considered unsatisfactory because of its instability in storage, causing wide variations in viscosity. (Author)

Descriptors :   *Aviation fuels, *Gels, *Jet engine fuels, Aircraft fires, Fire safety, Viscosity, Fuel tanks

Subject Categories : Safety Engineering
      Fuels

Distribution Statement : APPROVED FOR PUBLIC RELEASE