Keywords: diesel engines.

Construction, adjustment and service test results are given of 6ChN21/21, 8ChN21/21 and 12ChN21/21 V-engine family, produced to propel dump trucks of great lifting capacity.

Keywords: diesel engines.

An experimental set-up diagram is given as a physical model for studying heat transfer from combustion chamber parts. The problem of an experiment for heat exchange between metal and liquid is taken under consideration. Empirical dependences for heat transfer to low freezing liquids ase given.

Keywords: diesel engines.

Theoretical analysis of the effect of combustion dynamics on thermal loss with exhaust gas and in walls, which limit cylinder space, is described. The lower heat evolution to walls at other conditions unchanged, increases active heat evolution in the cylinder and at the same time increases heat loss with the gas.

Keywords: diesel engines. Problem of applying of final element method is considered for thermal stress of engine parts. Calculation technique is described for definition of the transient temperature field. Stress intensity is used to determine the degree of parts loading. The problem of the transient temperature and stress distribution is solved. Analysis is described, using attained results.

Keywords: diesel engines.

New original developed methods of definition of specific heat flow values and heat evolution efficiency in the engine cylinder are described.

Keywords: diesel engines.

An example is given of the connecting rod calculation, where some advantages are shown and problems of using the method of final elements in design research of stressed and deformed engine parts.

Keywords: diesel engines.

Experiment results are given, showing that decrease of boost pressure ratio to exhaust gas pressure of the D100 gas engine leads to non-stability of the engine operation. From analysis of experiment results approaching dependences are produced between permissible residual gas factor, compression ratio and available gas fuel composition.

Keywords: diesel engines.

Problems of optimization of the Stirling engine operation are considered, using the cycle effectiveness, considering heat exchanger volume relations, having practical sense.

Keywords: diesel engines.

Methodological optimization background for reciprocating enginedevelopment is described. Some methodological positionsare xeplained, specified reciprocating engine processes.

Keywords: diesel engines.

Hidrodynamic aspects in the engine piston group are considered and dependences are given for power prediction, lost at the piston friction.

Keywords: diesel engines.

Problems, connected with the development of an automatic protection system against thermal overload and damage for car-and-tractor supercharged diesel engines. Investigations are carried out to use pneumocorrector, limitimg the fuel supply, in dependence on boost pressure, in the function of the protection system actutor, which partly or completely stops the fuel supply at different failures. There versions of such a protection system are developed and studied on CMD-62 diesel engine.

Keywords: diesel engines.

Premises are considered for using controlled charge air cooling for main propulsion multispeed diesel engines in order to increase heat recovery vapour production at part load. Calculations are made to study the engine parameter effect on the total fuel economy, using controlled charge air cooling. Data prove the calculated estimation of the engine laboratory tests under different conditions.

Keywords: diesel engines.

Modern light fuel ignition systems with electronic control by cycle delivery are described. They are widely used in modern foreign passenger cars. Analysis of main trends of this type apparatus development and predictions of further works in this direction are given.

Keywords: engines.

Improvements are considered for carburettors of home-made passenger cars. Comparative data are given on characteristic alteration for cars with old and new carburetors.

Keywords: engines.

New operating cycle is described in feeding sectoin of distribution pumps. The use of this cycle allows to make a distribution type pump, which has the service life as long as series normal pumps.

Keywords: engines.

Keywords: engines.

Short characteristics of new materials and preservation methods are given, which are developed by CNITA and implemented at fuel equipment factories.

Keywords: engines.

Technological processes of deep power grindind of a number of fuel pump parts are considered, their application increased the treatment performance 2,5 to 3 times, improted grinding surface quality, in comparison with multipassage grinding.

Keywords: engines.

A new method of the analysis of fuel service efficiency of a locomotive diesel engine is described. Results for the 10D100 diesel engine of 2TE10L(B) locomotive are given.

Keywords: engines.

Experimental data are shown of the cylinder liner weareness effect on the piston temperature condition. It is shown that the cylinder liner weariness leads to the rise of the piston temperature.

Keywords: engines.

Recommendations are given on how to decrease the heating process at the engine start under low negative temperatures.

Keywords: engines.

Main unification tasks and trends are defined, considering all stages of the service engine cycle. Some limiting conditions are pointed out, which prevent the engine unification. Some proposals on the engine unification improvement are described.

Keywords: engines.

Results are summarized of experimental theoretical investigations of the knock resistance change of the automobile gasoline A-76 and AI-93 and inflammability of diesel fuels DL and DC in dependence on main service engine factors. The necessity of considering octane and cetane numbers is shown at modernization and development of new engines.