ENGINE RESEARCH, CALCULATION,
CONSTRUCTION AND TESTING
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UDC 621.436.12 : 621.43.016.4.001.24 : 536.253.001.36
Kîsiak A.F.
An analysis of methods, used to define a coefficient of a convective heat exchange in 4-stroke diesel engines with open combustion chambers
// Dvigatelestroyeniye. — 1985. — ¹ 6. — P. 3–6, 9.
Key words:
engines.
Results are given of calculation of convective heat exchange coefficients for a head, piston and cylinder liner of the 4-stroke diesel engine 6ChN21/21 with its open combustion chamber. Comparison of this calculation technique with formulae of Rosenblit and Kostin proves their community.
3 table, 4 ill., 4 ref.
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UDC 621.43.019.001.33
Lazarev E.A.
Classification and evaluation of the control effectiveness of the fuel combustion in diesel engines
// Dvigatelestroyeniye. — 1985. — ¹ 6. — P. 7–9.
Key words:
engines.
Problems are considered of the control of the fuel combustion in diesel engines. The control process and the controlled combustion are explained. Criteria of the combustion control are offered for evaluation of the control effectiveness.
- table, 3 ill., 9 ref.
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UDC 621.436.052.013.001.24
Kamfer G.M., Tautach G.
Calculation diesel engine cycle, considering the fuel evaporation to predict the maximum combustion pressure
// Dvigatelestroyeniye. — 1985. — ¹ 6. — P. 10–12, 17.
Key words:
engines.
A calculation diesel engine cycle is cortsidered, based on a known cycle of a mixed heat supply, considering evaporation rate for the period of ignition delay. Calculated relations allow to get the pressure ratio and maximum combustion pressure, and for natural aspiration engines present the satisfactory agreement with experimental data.
6 table, 1 ill., 8 ref.
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UDC 621.434-622.004.1 : 621.43.019.001.24
Âaturin S.À., Magidîviñh L.E., Petriñhenkî R.M., Rumiantsev V.V.
Calculation of characteristics of the carburettor engine heat release, engine operating with hydrogen addition
// Dvigatelestroyeniye. — 1985. — ¹ 6. — P. 13–15.
Key words:
engines.
Interconnection is considered of characteristics of a heat release with the flame extension, formulae are offered to calculate the heat release curve, used for modelling of the engine cycle with the hydrogen addition.
- table, 5 ill., 8 ref.
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UDC 621.436-242-713.2.001.5
Surkin V.I., Marinov V.I.
Effectiveness of different methods of the diesel engine 8ChVN15/16 oil cooling
// Dvigatelestroyeniye. — 1985. — ¹ 6. — P. 15–17.
Key words:
engines.
Results are given of comparative investigations of the heat condition of the engine 8ChVN15/16 pistons with different methods of their cooling. Dependences are given of the oil consumption for the piston cooling and temperature of discharged oil after different engine operating conditions.
- table, 5 ill., 3 ref.
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UDC 621.43-232.001.24
Sîrîñhkin M.M., Istîmin P.A.
Definition of moments affecting under-motor frame, considering connecting rod dynamic features
// Dvigatelestroyeniye. — 1985. — ¹ 6. — P. 18–20.
Key words:
engines.
It is shown that there is no equation of shsolute torque and tilting moment ralues of connecting rod inertia forces relative to the crankshaft rotating axis. Difference between torque and tilting moment depend son an engine construction. The harmonic moment analysis shows that the most different are components of the first order. Ralation of this order harmonic amplitudes varies within the wide range.
1 table, 2 ill., 3 ref.
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UDC 621.436-242-713.2.001.5
Veinblat M.H., Âókîv V.Yu.
Disconnection of piston cooling on partial loads improves operating parameters of a supercharged turbo-piston diesel engine
// Dvigatelestroyeniye. — 1985. — ¹ 6. — P. 20–21.
Key words:
diesel.
Investigation results are given of the effect of piston cooling on economical and ecological parameters of supercharged turbo-piston diesel engines of type ChN21/21 with a non-divided combustion chamber. After disconnection of the piston cooling in an area of partial loads of the generator characteristic and at idling the fuel consumption, exhaust gas smoke have been decreased. It should be noted that misalignment of the fuel spray ballistics and the combustion chamber shape under partial loads leads to the increase of the fuel consumption and soot content in exhaust gases, it can be clearly seen in high supercharged diesel engines with intensive piston cooling.
- table, 3 ill., - ref.
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Contents
1985
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MOUNTED UNITS SERVING SYSTEMS
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UDC 621.43.038.5-272.22.004.14 : 539.4.012.002.234
Sergejev A.I.
Method to decrease the spring load of a diesel engine fuel pump plunger
// Dvigatelestroyeniye. — 1985. — ¹ 6. — P. 22–25.
Key words:
diesel.
Results are given of calculation-experimental investigations to decrease loads and stresses of spring coils of a high pressure fuel pump plunger by the decrease of the spring margin coefficient for a plunger drive alternative moving element inertia forces at the beginning of negative accelerations of the speed diagram up to K = 1.5–1.2. Recommendations are offered on how to decrease hardness, loads and stresses relative to high pressure fuel pump plunger springs of diesel engines ChN21/21 and ChN18/22.
2 table, 2 ill., 8 ref.
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UDC 621.43.038.8.004.58: 620.162.4
Yavnishkis S.N.
Technique of evaluation of the nozzle hydro-density without their dismantling
// Dvigatelestroyeniye. — 1985. — ¹ 6. — P. 25–26.
Key words:
engines.
Importance of control is considered of the nozzle hydraulic density, and also devetopment of technique to evalnate the nozzle hudro density without their dismantling. Theoretical calculations are given and experimental control data of the nozzle hydro-density.
1 table, 3 ill., 5 ref.
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Contents
1985
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AUTOMATION, REGULATION,
NON-SELECTIVE DIAGNOSTICS
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UDC 621.436-9 : 621.43.052-531.6.001.5
Krutîv V.I., Leînîv I.V., Shatrîv V.I., Gîrshkîv V.A.
Characteristics of a combined engine with two-pulse speed governor and boost pressure regulator
// Dvigatelestroyeniye. — 1985. — ¹ 6. — P. 27–30.
Key words:
Engines.
Features are considered of static characteristics of a diesel engine with a governor at kinematic pulse summary: main pulse on the speed and the correction pulse on the boost pressure. It is possible to use a variable amplification factor from a centrifugal sensitive element clutch to a fuel dosage organ. Features are shown of calculation of a governor with a variable amplification factor. Results are given of experimental investigations of a diesel engine with a developed governor, that allowed to realize principles of the characteristic construction.
- table, 3 ill., 11 ref.
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UDC 621.431.74-531.3.001.57 : 621.43-442.001.24
Tusîv L.V., Pugañhev Â.P., Svistunov N.N.
Improvement of characteristics of a marine engine acceleration, when using a corrector of the fuel supply, depending on the pressure ratio
// Dvigatelestroyeniye. — 1985. — ¹ 6. — P. 30–32.
Key words:
Engines.
A model is offered to select reasonable characteristics for a corrector of the fuel supply, depending on the marine engine pressure ratio.
- table, 4 ill., 3 ref.
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UDC 621.41-53.001.57
Levin M.I., Grudin L.Yu., Melnik G.V.
Analysis of dynamic models of speed and temperature control systems for an engine with external heat supply
// Dvigatelestroyeniye. — 1985. — ¹ 6. — P. 32–35.
Key words:
Engines.
Dynamic models are given and analysis is carried out of stability of speed and temperature control systems for an engine with external heat supply. Effect of the engine parameters and control system elements on transient parameters is shown. Results are given of the joint modelling of speed and temperature control systems. A simplified independent approaching to selection of this system element parameters is permissible.
- table, 3 ill., 4 ref.
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UDC 621.436.03-531.001.5: 621.436-833.6
Dolganîv K.E., Kîvalev S.À.
Two-pulse governor for mobile diesel-electric units
// Dvigatelestroyeniye. — 1985. — ¹ 6. — P. 35–36, 47.
Key words:
Engines.
An electro-hydraulic accessory for a normal direct action governor is described, it contributes to introduce an additional pulse on the electric generator load to the control law. Results are given of an experimental investigation. The diesel-electric unit AD-20M provides requirements for a governor of the first class of accuracy.
1 table, 3 ill., - ref.
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UDC 621.431.72.004.58
Âîrisenkî A.N., Zaslavski E.G., Sîbîl V.N., Neviazhski G.Ya.
Boundary system of prediction of a locomotive diesel engine
// Dvigatelestroyeniye. — 1985. — ¹ 6. — P. 37–38.
Key words:
engines.
A diagram is given and a description of a boundary system of a prediction for the locomotive diesel-generator 10DG 20.7/2X 25.4. Diesel-generator parameters are described for better diagnosis.
- table, 1 ill., - ref.
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Contents
1985
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MATERIALS, TECHNOLOGY AND
ORGANIZATION OF PRODUCTION
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UDC 621.43.002.2 : 65.011.56
Kuklenkî P.S., Kabàkîv Yu.Â.
Robotized technological complex
// Dvigatelestroyeniye. — 1985. — ¹ 6. — P. 41–42.
Key words:
engines.
A robotized complex is described with a remote control, it is intended for a hot upset and heating of blanks, designed on the base of a press KA 2330 and a robot «Cyclon 5-01» aiming at the automation of upset of 10 names parts. An efficiency of such a complex is shown.
- table, 2 ill., - ref.
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UDC 621.43-242.002.2 : 621.7.043 : 669.715
Dzóbal L.T., Lehîvitser M.A., Platînîv V.N., Prîzîrîv V.P.
The use of swaging pistons of AL25 alloy for diesel engines 6Ch - and 6ChN12/14
// Dvigatelestroyeniye. — 1985. — ¹ 6. — P. 43–44, 47.
Key words:
engines.
Results are given of a method of a liquid metal pressing to get piston blanks of AL25alloyfor diesel engines 6Ch- and 6ChN12/14. It is shown that the use of alloy AL25 as a piston material, and the liquid metal pressing method as a technology to get piston blanks instead of volumetric pressed pistons of AK4-1 alloy allows to increase the piston reliability, their wear resistance, and also outgoing of a quality metal and thus improving technical and economical parameters of diesel engines 6Ch- and 6ChN12/14.
1 table, 4 ill., 13 ref.
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Contents
1985
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ECONOMICS AND PLANNING
PRODUCT QUALITY
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UDC 621.431.74-181.4.001.36
Alivagabov M.M., Bochkarev V.N.
Technique of evaluation of diesel engine likeness and difference of marine small size diesel engines
// Dvigatelestroyeniye. — 1985. — ¹ 6. — P. 45–47.
Key words:
engines.
A technique is given of evaluation of diesel engine likeness and difference, using methods of a claster analysis, taking as an example marine small size diesel engines. Advantages are shown of this technique comparing with existing ones. A selected parameter is evaluated, supposed to be the base for completing a group of similar diesel engines.
3 table, - ill., 5 ref.
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UDC 621.43.002 : 331.015.3.003
Krasni A.L., Margîrin D.K.
Evaluation of the operators position effectiveness
// Dvigatelestroyeniye. — 1985. — ¹ 6. — P. 48–49.
Key words:
engines.
Problems are considered of the interconnection of both profit and operator's position effectiveness.
1 table, - ill., - ref.
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Contents
1985
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EXCHANGE OF EXPERIENCE
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UDC 621.436-61.004.18 : 621.43.066.001.6 : 629.114.2
Vazenmiller R.A., Neñhajev L.V.
Increase of the tractor diesel engine 8ChN 16.5/17 efficiency, when using one-pipe exhaust systems
// Dvigatelestroyeniye. — 1985. — ¹ 6. — P. 50–52.
Key words:
engines.
Test results are given on the diesel engine 8ChN16.5/17 exhaust system with pulse converters, giving at Pe = 440 kW and n = 1800 min-1 specific effective fuel consumption 222 g/kW•h instead of 231 g/kW•h and more satisfactory main parameters at the engine operation on the speed characteristic within the range n = (0.78–1.0) nnom. The exhaust system weight was reduced by 55 to 60 kg, comparing with the exhaust system, having divided exhaust manifolds.
- table, 3 ill., - ref.
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UDC 621.436-383.004.14 : 620.178.53
Golîv F.V., Yermakov Yu.D., Deviatkin S.V.
Vibro-acoustic definition of real diesel engine timing
// Dvigatelestroyeniye. — 1985. — ¹ 6. — P. 52–54.
Key words:
engines.
A technique is given of definition of real engine timing, based on a vibro-acoustic method. Experimental dependences are considered of the clearance variation on the temperature engine conditions, their results can be used at the design, adjustment and service.
- table, 4 ill., - ref.
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Contents
1985
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TECHNICAL INFORMATION AND CHRONICLE
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UDC 621.43.004.6 : 621.892.096.1.004.58 : 538.69 : 542.8
Vipper À.Â., Abramîv S.A., Âalàkin V.I., Âlîhina I.V.
The use of ferrography for investigation of the engine wear
// Dvigatelestroyeniye. — 1985. — ¹ 6. — P. 55–56.
Key words:
engines.
A new method of analysis is described to get information of size shape, composition and amount of wear products, collected in lubrication oil for the engine operation period.
- table, - ill., 14 ref.
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Contents
1985
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