Keywords: engine.

Technique is described for selection and coordination of parameters for perspective tractor engines, based on foreign tractor parameters, summarized in relation to the main parameters (mass of a tractor and the engine nominal speed. A numerical example is given; the difference between parameters of the engine CMD-62 is shown with parameters, defined, using the above technique.

Keywords: diesel engines.

The equation for diffusion is solved, similar to the gas attack equation and describing the displacement of liquid and dust particles at the engine inlet. Results of calculation and experiments are given, to define the diffusion flow on the admixture wall from the point source.

Keywords: diesel engines.

The part of the cylinder-piston group in the damping of crankshaft oscillations is shown experimentally and theoretically. Analysis is given of piston ring and skirt contribution to the total friction of the pair piston-cylinder. Some regularities of the friction features in the cylinder-piston group are shown. An expression is given for the oscillation energy, which is dissipated at bending-torsional shaft oscillations on the crankshaft angle of rotation.

Keywords: diesel engines.

Results are given of thermoanemometering of turbulent flows in an internal combustion engine cylinder on modelling installation at pulsing gas flow. Data allow to predict the storage of the intensive charge turbulence attained during admission at the next operating cycle stages. bearings.

Keywords: diesel engines.

The fuel diffusion in a dense gaseous medium is considered. The search of an analytical expression is given to calculate the dynamics of the fuel spray movement and to select an experimental coefficient by checking calculation and experimental data.

Keywords: diesel engines.

Results of theoretical and experimental investigations are given ol the total power consumption for detail and charge air cooling in an air cooled engine. The reason to cool the air going to cylinders to reduce the total consumption is shown. The calculation technique is given for the optimum deep charge air cooling, considering the energy consumption for the cooling system.

Keywords: diesel engines.

Calculation diagram and mathematical model are offered, describing the piston movement during the cycle within the thermal clearance limits. Data of the piston movement are compared, based on solution of a mathematical model and experimental investigation of the piston shifting. The mathematical model is shown to be used when studying the geometrical parameter (KSHM) effect on kinematic and dynamic data of all piston shiftings.

Keywords: engines.

A construction is described of the fuel injection system with the additional pressure pulse during the needle fit, it allows to increase the engine fuel efficiency by improvement of the fuel diffusion at the end of delivery. technique.

Keywords: engines.

Problems of how to make a flexible controlled drive for a valve timing are considered for transport engines, it can improve their effectiveness under operation at non-nominal conditions. The technique is given for selection of the hydro-mechanical system EGPK. Parameters of the system are selected for a number of car- and-tractor and locomotive diesel engines.

Keywords: engines.

A device is taken under consideration for contactless measurement of the turbocharger rotor speed by means of the registration of the rotating detail residual magnetization.

Keywords: engines.

Parameters of the EMC model are defined at the known structure EMC on experimental static and frequency characteristics, based on the criterion of the least squares. It is shown that the technique. proposed for identification, provides static and dynamic parameters of EMC with a high engineering accuracy.

Keywords: diesel engines.

A method is described to design hob cutters to hob cylindrical gear wheels and at the same time to chamfer the tooth edges. Calculation of the modified cutter profile is given for the fine and preliminary hobbing. and also the order of unification of specified cutters and the method for calculation of hobbing spiral wheels.

Keywords: engines.

Investigation results are given of the effect of the mixture composition speed and injection angle advance on the engine ZMZ-24-01 effectiveness and toxicity.

Keywords: engines.

Principles are considered to design an algorithm for the prediction of the engine life, using the spectral oil analysis. Experimental dependences are described, related to the linear detail wear and concentration of corresponding chemical elements-indicators in the operating oil. Prediction results are given for the engine G70-5 cylinder-piston group. The method to find parameters of the life of engines, experienced neither failure nor critical condition is offered.

Keywords: engines.

Features of GOSTs 14228-80 and 10032-80, which will be issued in 1982 are considered, a characteristic is given of the standard field of application and automation degree, the terminology, used in standards, is explained.

Keywords: engines.

Features of the cold start of the engine with E 14,5 the diagram of the start device and test results are given.

Keywords: engines.

Character and effect of CCh automobile petrol mixtures with the diesel fuel are analyzed for the operation and parameters of the high speed diesel engine 8?h12/12. The maximum permissible mixture composition is defined, suitable for the episodic use, and also optimum adjustments for the diesel engine. Ways to improve i the operation when using a low-cetan fuel are shown.

Keywords: engines.

Experimental investigations are described of the effect of the antifriction additive to the motor oil on the engine effectiveness in the t fuel consumption.

Keywords: engines.

Constructions of filter-washing machines are considered, manufactured in DDR for the sovjet production diesel engine 16ChN26/26 and 12DN23/30 servicing. The technology of the filter washing . and liquids to use are described. Recommendations are given to select a diagram, general requirements of these machines.

Keywords: engines.

A review of the measurement technique exhibition is given, held in CNIDI in April 1981. Best samples of the measuremet technique are considered, which have been used at experimental engine investigations and presented at the exhibition in sections: «Pressure measurement», «Temperature measurement», «Consumption measurement», «Special measurements». New tendencies in development of engine experimental investigations are described in the article, based on examples of the original development of flowmeters, sensors and temperature, information-measuring and . measuring-calculating complexes, laser technique to investigate the engine operation processes and others.

Keywords: engines.

Tasks of motor oil unification are considered, and also ways of the further optimization of the use and consumption of motor oils.