NAVY MIL-F-81912-1973 FUEL EXPENDABLE TURBINE ENGINE《消耗涡轮发动机的燃油》.pdf
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1、MIL-F- 81912 (AS) i4 February 1973 MILITARY SPECIFICATION FUEL, EXPENDABLE TURBINE ENGINE This specification has been approved by the Naval Air Systems Command, Department of the Navy. 1. SCOPE This specification covers one grade of aviation turbine fuel (See 6.1 2. APPLICABLE DOCUMENTS 2.1 The foll
2、owing documents, of the issue in effect on date of invitation for bids or request for proposal, form a part of this speci- fication to the extent specified herein. STANDARDS Federal Fed. Test Method Std. No. 791 Lubricants, Liquid Fuels, and Related Products ; Methods of Testing . Military MIL-STD-1
3、05 Sampling Procedures and Tables for Inspection by Attributes MIL-STD-290 Packaging, Packing and Marking of Petroleum and Related Products (Copies of specifications, standards, drawings, and publications required by suppliers in connection with specific procurement functions sho.uld be obtained fro
4、m the procuring activity or as directed by the contracting ozficer . ) a “ ,- . FSC 9130 Licensed by Information Handling ServicesMIL-F- 81912(AS) 2.2 Other mblcations. The following documents form a part of this specification to the extent specified herein. indicated, the issue in effect on date of
5、 invitation for bids or request for proposal shall apply. Unless otherwise American Society for Testing and Materials Publications ASTM Standards Parts 17 and 18 (Copies of ASTM publications may be obtained from the American Society for Testing and Materials, 1916 Race Street, Philadelphia, Pennsylv
6、ania 19103 O 3.1 Materials. Except as otherwise specified herein, the fuel shall consist completely of hydrocarbon compounds. 3.2 Chrmical and phvsical requirements. The chemical and physical Requirements contained herein are not subject to corrections for test requirements of the finished fuel shal
7、l conform to those listed in Table I. tolerances. If multiple determinations are made, results falling within any specified repeatability and reproducibility tolerances may be averaged. TABLE I. Chemical and Physical Requirements and Test Methods. Test Method Standards Requirements Fuel ASTM Distill
8、ation: Initial boiling point fiel recovered, 10 percent min at Fuel recovered, 20 percent min at Fuel recovered, 50 percent min at Fuel recovered, 90 percent min at End point, rnax Residue, vol percent max Distillation loss, vol percent max Gravity OAFI - min (sp gr max) Gravity O API - rnax (sp gr
9、min) Existent gum, mg/100 ml rnax Total potential residue, 16 hour aging, Sulfw, total, percent weight rnax Mercaptan sulfur, percent weight max 2/ mg/ mi rnax D86 u - 2/ 400F ( 204 . AOC ) 142 142 36.0 (0.845) 48.0 (0.788) 7 14 0*4 o 001 D287 D287 D381 D873 D1266 Di219 or DI323 Licensed by Informat
10、ion Handling ServicesMIL-F-BL3L2 71 W 7779906 OLLObY2 3 W MIL-F-81912 (AS) a Freezing point, max -65OF (-540C) D2386 Heating Value: Viscosity, centistokes at - 600F (-5l.lOC) Aromatics, vol percent rnax Olefin, vol percent max Smoke point, mm min or luminometer No., min Explosiveness, percent rnax F
11、lash point, min Copper strip corrosion, (2hr at Water separation index, modified min Particulate matter, mg/liter, max Net heat of combustion, BTU/lb, min or aniline-gravity product, min 4/ rnax 212OF (lOOC), max 18,400 5,000 D240 D61-i and D287 12.0 25.0 5 -0 20 50 50 140F (60 . OC) No. 1 1.0 $5 D4
12、45 D1319 Di319 D1322 r/ Dl740 6/ D93 D130 D2550 D2276 &/ A condenser temperature of 32O 2/ To be reported - not limited 2/ The mercaptan sulfur determination may be waived at the option of the 4/ Aniline-gravity product is defined as the product of the gravity in r/ That portion of D1322 pertaining
13、to testing bottom fractions is not 6/ Test shall be performed in accordance with method li51 of Fed. Test to 400F (O0 to 4%) shall be used. inspector ,if the fuel is “doctor sweet“ when tested in accordance with the doctor test of ASTM D484 OAPI and the analine point in OF. applicable. Method Std. N
14、o. 791. 3.3 Antioxidants. The following active inhibitors shall be blended separately or in combination into the fuel in total- concentration not in excess of 8.4 pounds of inhibitor (not including weight of solvent) per 1,000 barrels of fuel (9.lg/100 gal (US), 24. mg/liter or 109 mg/gal (UK) in or
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