Search Results - "Iliev, Simeon P."

Analysis of the Main Factors Behind the Origination and Propagation of Cracks in Aluminium Cylinder Heads by Kirov, Sergey K., Petrov, Plamen N., Uzuntonev, Trifon P., Belchev, Sergey G., Bogdanov, Krasimir Ts, Iliev, Simeon P.

“…Addressed in the present paper are the underlying causes for the emergence and development of cracks in specific areas of diesel engine cylinder heads…”
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The Effect of a Special Form of the Piston Skirt Profile on Power Friction Losses in Internal Combustion Engines by Belchev, Sergey G., Uzuntonev, Trifon P., Hristov, Rosen P., Kirov, Sergey K., Kovachev, Dimitar M., Iliev, Simeon P.

“…Pistons with altered form of the piston skirt contact area are presented in this paper. The efficiency of the new design has been evaluated by comparing the…”
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Influence of Dynamically Changing Operating Conditions on the Content of Nitrogen Oxide in Old and New Diesel Vehicles by Uzuntonev, Trifon P., Belchev, Sergey G., Bogdanov, Krasimir Ts, Dimitrov, Preslav D., Kirov, Sergey K., Iliev, Simeon P.

“…The conditions of actual operation of the vehicle in certain cases differ from the standard conditions of application of the relevant standard for determining…”
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An experimental investigation of the stroke of the nozzle needle on hydraulic characteristics of electromagnetic fuel injectors by Iliev, Simeon P., Manev, Valentin, Sapundzhiev, Milen

“…Electromagnetic fuel injectors play a crucial role in modern internal combustion engines, determining the precise delivery of fuel into the combustion chamber…”
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Model for Thermal Studies of Automotive Engine Cylinder Heads by Belchev, Sergey G., Petkov, Delyan I., Stefanov, Stefan M., Iliev, Simeon P., Manev, Valentin N.

“…The present paper delves into the process of developing a model for thermal studies of cylinder heads through the use of SolidWorks software environment…”
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Examining the Changes in Pressure Regulator Characteristics of Automatic Transmissions After Prolonged Operation by Stefanov, Stefan M., Belchev, Sergey G., Mehmedov, Ismail I., Iliev, Simeon P.

“…The present paper examines the change in the characteristics of the linear pressure solenoids (electronic pressure regulators), integrated into the automatic…”
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