The N.A.C.A. Photographic Apparatus for Studying Fuel Sprays from Oil Engine Injection Valves and Test Results from Several Researches (1928)
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ncrease with the specific gravity and the upward trend of the curves indicates that oils of greater specific gravity than those tested would have still greater effects. From the curves, a heavy oil of 0.90 specific gravity would have 10 per cent greater penetration after 0.003 second than an… … Specific gravity of or/ Fig. 10— Effect of specific gravity of oil on spray penetration Injection valve No. 7; 23° spiral. Cylinder orifice, 0.022 inch diameter. Injection pressure, 8,000 pounds per square inch. Fuel oil used, gasoline, kerosene, Diesel, and heavy fuel oil of specific gravity…
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