N.A.C.A. Technical Memorandum He,509 Figs.12,13. … Load Fig.12 Fuel consume for Diesel engines with and without air injection. h heat delivered to engine—*| Steam 60 Gas I I -20^ 26 -30 20.5-^ Qk Qe Qr Diesel I I 25fo 8 k- 33 34 I I Fig.l3 Heat balance sheet for a steam-, . • gas-, and Diesel-engine. Q3 = heat transformed into work. Q^, Qj^, and Qv…
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