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DVIGATELESTROYENIYE ¹ 4 (76) 1985 ãîä

SYNOPSYS

ENGINE RESEARCH, CALCULATION,
CONSTRUCTION AND TESTING
UDC 621.432.4 : 021.43.013.1 .001.57
Âeresin S.R., Agapitîv R.N.
Mathematical model of a two-dimensional axial-symmetrical turbulent gas motion in a cylinder of an opposed-piston engine
// Dvigatelestroyeniye. — 1985. — ¹ 4. — P. 5–6.
Key words: engines.

A mathematical model is described for calculation of a two-stroke engine gas exchange, using the computer. A non-stationary Godunov method is used to calculate both gas-dynamic equation and turbulent model
- table, 1 ill., 5 ref.
UDC 621.43.016. 1.001.5
Galgîvski V.R.
Distribution of main heat losses at heat release In a direct injection diesel engine
// Dvigatelestroyeniye. — 1985. — ¹ 4. — P. 6–11.
Key words: engines.

Combustion chambers of the diesel engine 8Ch12/12 are considered, having different throat diameters. Main factors of specific heat hisses at heat release and their functional dependences are defined. Total specific heat losses together with exhaust gases are defined In be maximum heat losses under any engine operating conditions.
- table, 5 ill., 9 ref.
UDC 621.431.7-1-21-1.3.001.57 : 539.-1
Boikî V.V.
Space liquid of a marine diesel engine frame
// Dvigatelestroyeniye. — 1985. — ¹ 4. — P. 10–14.
Key words: engines.

Technique grounds are considered for construction îf a number of multi- level mathematical models for a quasi-static calculation of a two-and three-dimensional conditions of a marine diesel engine frame, crankshaft and the elastic foundation, using the method of super-elements. Data are given of numerical investigations, received on the computer, of rigidity properties of the marine medium speed diesel engine 12DRN23/30.
- table, 3 ill., 5 ref.
UDC 621.436-752.001.24
Kîñhetîv O.S., Shmakov V.T.
Effectiveness of a vibro-isolation, using pneumatic supports with direct action auto-regulators
// Dvigatelestroyeniye. — 1985. — ¹ 4. — P. 14–15.
Key words: engines.

A problem is considered of protect of staff for maintenance of a vibro-active equipment, from vibration. Equations are given to define the gas-dynamic condition of pneumatic vibro-isolation supports, based on a spras-mechanical control system. Constructive diagrams are given of vibro-isolation supports, and also experimental characteristics of static and astatic vibro-isolation diagrams.
- table, 3 ill., 4 ref.
UDC 621.436-332.00-1.6
Lebedev O.N., Somîv N.A., Pushnin V.P.
Main factors defining the rate of a gas-abrasive wear of a face surface of diesel engine exhaust valves
// Dvigatelestroyeniye. — 1985. — ¹ 4. — P. 16–18.
Key words: engines.

New experiments proved a hypothesis of a gas-abrasive destruction of an exhaust engine valve face by soot particles. It is shown that soot of different fuels has an essentially different abrasiveness in the flow, and the total mathematical dependence is shown of the face wear on a number of operating factors and soot abrasiveness.
1 table, 4 ill., 8 ref.
UDC 621.41.001.24
Kireiñhev G.À., Vîrîntsîv V.I., Kîrîtki A.M.
Definition of reference dependences for calculation of the Stirling engine heater
// Dvigatelestroyeniye. — 1985. — ¹ 4. — P. 18–20.
Key words: engines.

Results are given of experimental investigations for definition of heat release coefficients of a hydraulic friction at its interior surface.
- table, 3 ill., 8 ref.
UDC 621.43-752.001.57 : 621.8.03-1.00-1.16
Vetkina L.V., Yanñhelenkî V.A.
Simulation model for evaluation of vibration energy losses in RIC engines
// Dvigatelestroyeniye. — 1985. — ¹ 4. — P. 21–23.
Key words: diesel.

A simulation model is described, aimed to design an engine optimum acoustically, with low vibration and improved fuel efficiency. Results of experimental investigations are given on several engine types.
1 table, 5 ill., 11 ref.
UDC 621.43.018.7.001. 24
Shatrîv E.V., Zlenkî M.A.
Method for calculation of effective engine parameters, on load characteristics of a standard engine with dead cylinders
// Dvigatelestroyeniye. — 1985. — ¹ 4. — P. 24–27.
Key words: diesel.

A method is given to calculate effective parameters on known load characteristics of a standard engine with dead cylinders, this engine does not need special experiments to compare different methods to disconnect cylinders.
- table, 5 ill., 5 ref.
Contents 1985
MOUNTED UNITS SERVING SYSTEMS
UDC 621.43-44-622.001.57
Kîlbenîv I.L., Sîldatkin A.V.
Mathematical modelling of operation of an engine of a hydrogen generator
// Dvigatelestroyeniye. — 1985. — ¹ 4. — P. 29–31.
Key words: engines.

A mathematical model is described of the operation of a continuous operating hydrogen generator, being a part of the engine installation. The model is based on boundary layer equations, relating to the spray flow of energy-accumulating elements and water. Relations are given, showing integral parameters, when receiving hydrogen at different operating conditions, using above said elements with different physical and chemical properties. An approach is proposed for the joint design, investigation and adjustment of the engine system — an automotive hudrogen generator.
- table, 2 ill., 3 ref.
UDC 621.41 : 536.27.001.24
Afanasjev A.S., Yefimîv S.L.
Method of calculation of recuperative tubular heat exchangers of the interior circuit at the stage of the Stirling engine design
// Dvigatelestroyeniye. — 1985. — ¹ 4. — P. 31–32.
Key words: Engines.

A technique is considered of how to select reasonable geometrical sizes of recuperative tubular heat exchangers for the nominal operation of the Stirling engine at a given heater volume, thermal power, average mass consumption through the heater and a working medium parameters. Speed entropy increase in a heat exchanger channel is suggested to take it as a criterion of evaluation of recuperative tubular heat exchanger operation effectiveness. This technique is aimed to evaluate the operation of a heat exchanger with chosen geometrical sizes at different engine operating conditions.
- table, 1 ill., 3 ref.
Contents 1985
AUTOMATION, REGULATION,
NON-SELECTIVE DIAGNOSTICS
UDC 621.436-52.004.1 : 682.32 (047)
Kîtikîv Yu.G., Gorev A.E., Blankinstein I.M.
Numerical systems of an automatic control of automobile installations with a diesel engine (review)
// Dvigatelestroyeniye. — 1985. — ¹ 4. — P. 33–37.
Key words: Engines.

A review is given of modern numerical control systems for diesel engine installations abroad. Their advantages and defects, effectiveness and perspectives are analyzed.
2 table, 4 ill., 24 ref.
UDC [621.43.002+621.43.001 .2] : 65.011.56
Hatvani I.
Integration systems of the automatic design and manufacturing (SAD/SAM)
// Dvigatelestroyeniye. — 1985. — ¹ 4. — P. 37–42.
Key words: Engines.

Integration is considered of systems for the automatic design and manufacturing (SAD/SAM).
- table, - ill., - ref.
Contents 1985
MATERIALS, TECHNOLOGY AND
ORGANIZATION OF PRODUCTION
UDC 621.436-242.001.45 : 539.4 : 669.715
Platonov V.N., Prozorov V.P., Zorin Yu.A.
Results of complex structural tests of piston aluminium based alloys
// Dvigatelestroyeniye. — 1985. — ¹ 4. — P. 46–47.
Key words: engines.

Structural properties of piston material groups are described, in dependence on temperature condition.
1 table, 1 ill., 4 ref.
Contents 1985
MAINTENANCE AND REPAIR ISSUES
UDC 621.436.018.7.001.42 : 621.431.74.004
Fomin Yu.Ya.
Definition of medium speed marine diesel engine power output
// Dvigatelestroyeniye. — 1985. — ¹ 4. — P. 48–50.
Key words: engines.

A technigue is given of definition of effective medium speed diesel engine power, engine operating on different fuels. This technigue is based on results of test bed or special thermal - technical engine tests.
- table, 3 ill., 4 ref.
UDC 621.436.03.004.«313» : 631.372
Nikîlajenkî A.V., Hvatîv V.N., Dolgushin V.A.
Selection of method of prediction of technical condition of the tractor diesel engine fuel eguipment
// Dvigatelestroyeniye. — 1985. — ¹ 4. — P. 50–52.
Key words: engines.

Classification is given of a method of prediction and selection of a method to predict the engine nozzle technical condition.
- table, 3 ill., 5 ref.
Contents 1985
EXCHANGE OF EXPERIENCE
UDC 621.431.74-185.3-222.4.001.5: 621.43.016.4
Kucherov V.N.
Features of thermal condition of a cylinder cover for the marine diesel engine 9DKRN90/155
// Dvigatelestroyeniye. — 1985. — ¹ 4. — P. 53–55.
Key words: engines.

Results are described of an experimental investigation of a thermal condition of a cylinder cover for the engine 9DKRN90/155. Proposals are given to improve the cylinder cover life.
- table, 3 ill., - ref.
UDC 621.43.016.4.001.5
Zarenbin Y.G., Îrlin A.S.
Optimum evaluations of heat exchange boundary conditions on measured cylinder linerand piston temperatures
// Dvigatelestroyeniye. — 1985. — ¹ 4. — P. 55–57.
Key words: engines.

A method is described of the optimum evaluation of parameters of heat exchange boundary conditions, using an algorithm of a discrete Kalman filter for a mathematical model with an analytical solution of the heat transfer through the piston ring. Examples are given of the mathematical modelling of the identification of the piston groove temperature, coefficient of the heat transfer of the ring-groove contact and an average oil film thickness in the ring-cylinder liner conjugation. Conclusion is made of the use of the Kalman filter under conditions, simulating the process of the heat transfer through the piston ring.
- table, 2 ill., 5 ref.
Contents 1985

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