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The exhaust emission tests of a Zlin-142 M aircraft

100%

Merkisz J. , Markowski J. , Pielecha J.

tom R. 50, nr 3

Due to a rapid development of air transport there is a need for assessment of real environmental perils related to the aircraft operation. The main environmental risks are the products of incomplete combustion contained in the exhaust gases. The paper presents the results of the emission tests of a Zlin-142 M under the stationary test conditions.

Tests of a prototype spark-ignited, direct-injection engine powered by JET-A1 fuel

84%

Świątek P. , Fuć P. , Ziółkowski A. , Świątek L. , Melwiński P.

tom R. 58, nr 3

117--120

The article presents a part of the work done in a research and development project being made by SWIATEK Lech Swiatek company. It describes the comparison of different fuels used in piston engines with JET-A1 turbine engine fuel. Next, the proposed combustion process of JET-A1 fuel and a prototype one-cylinder engine are described. In details, a special cylinder head and direct injection programmable computer are presented. In the next part, a designed and built test stand is described. Finally, the results and conclusions are presented. The designed test stand enabled to perform assumed tests. The innovative JET-A1 combustion process was possible to perform and the power and torque were higher in 1900-3000 rpm range than with the gasoline fuel. The designed GDI programmable injection computer enabled to fully control the injection and ignition parameters.