Conductivity and Charging Tendency of JP-8 + 100 Jet Fuel
Abstract
The effects of the Betz Thermal Stability Additive, 8Q492, and the Octel Static Dissipater Additive, Stadis 450, on the electrical conductivity and electrostatic charging tendency of Jet A fuels were examined using a variety of filter media. It was found that the Betz additive, at a concentration of 256 mg/l, increased the conductivity of most fuels to above 100 pS/m and of 15% of the fuels to above 150 pS/m, which is the lower specification limit for JP-8 fuels. The Betz additive increased the charging tendency to very high levels on only two media, namely, the Type 10 reference filter and a coalescer medium. Charging on all other media including both the non-conductive and conductive reticulated foams was quite low. Fuels containing Stadis 450 exhibited high charging on most coalescer media, particularly fiberglass and felt, and on the media paper and superabsorbent and absorbent media from the monitor cartridge. They also gave high charging on both the conductive and nonconductive foams, but not on the separator media or on the Type 10 reference filter.
Document Details
- Document Type
- Technical Report
- Publication Date
- Sep 18, 2000
- Accession Number
- ADA382878
Entities
People
- D. R. Hardy
- Joseph T. Leonard
Organizations
- United States Naval Research Laboratory