ENGINE RESEARCH, CALCULATION,
CONSTRUCTION AND TESTING
|
UDC 621.43.052-443.004.13 : 621.43.068.1
Krivîv V.G., Sinatîv S.A., Îrlîv A.N.
Improvement of the transient process quality in diesel engines with gas turbine supercharging by the heat recovery
// Dvigatelestroyeniye. — 1983. — ¹ 8. — P. 3–7.
Key words:
engines.
A comparative analysis is given of known methods to improve the air supply for diesel engines supercharged by gas turbines during their transient conditions. The reason to use the diesel engine released heat for improvement of transient conditions is explained. The offered method and device are described for delivery of steam going from the recovery system to the flowing part of the turbo-charger turbine to speed up its rotor rotation, and also results are given of experimental investigations, to show advantages of above method and device.
1 table, 3 ill., 11 ref.
|
UDC 621.437.004.18 : 621.892.096.1
Nikifîrîv O.A., Levkin G.M.
Evaluation criterion of the diesel engine effectiveness of the oil consumption for melting loss
// Dvigatelestroyeniye. — 1983. — ¹ 8. — P. 7–9.
Key words:
engines.
A criterion Cp is offered to evaluate the construction improvement and the engine effectiveness, it is equal to the ratio of the oil consumption for melting loss per time unit to the area of the cylinder liner surface, overlapped by piston rings for the same time. Depending zones of the criterion Ñp are considered on the cycle of mean effective pressure for mass production and perspective national diesel engines.
1 table, 1 ill., 8 ref.
|
UDC 621.436-713-977.001.5 : 532.528.001.32
Shishkin A.P.
Calculation evaluation of cavitation conditions in recesses of the high temperature cooling system
// Dvigatelestroyeniye. — 1983. — ¹ 8. — P. 10–12.
Key words:
engines.
Conditions are considered of acoustic cavitation in the high temperature cooling system, and a method of calculation of the excess pressure in the high temperature cooling system is offered, based on the analysis of equations of the steam cavitation recess dynamics in the hydroacoustic field, after this has reached the cavitation is depressed. Also a problem is studied of an interrelation between frequencies of forced oscillations and threshold accelerations of the wall oscillating motion, e. g. accelerations, corresponding to initial moments of the cavitation excitation.
1 table, 3 ill., 11 ref.
|
UDC 621.43.066.3.001.24 : 539.319.002.234 : 621.43.016.4
Shñhurkîv V.E., Yermolajev P.S., Ivashchenko N.A.
Effect of thermal physical properties of exhaust valve materials on their thermal stress
// Dvigatelestroyeniye. — 1983. — ¹ 8. — P. 13–15.
Key words:
engines.
Information is given of calculation of thermal stresses in the exhaust valve disk. The effect is shown of thermal-physical valve properties and surfacing on the thermal stress of an experimental exhaust valve without cooling for a carburettor 8-cylinder automobile V-engine. Results are given of an analysis carried out using the computer, which attained values of circumferential and radial thermal stresses in the valve disk and found methods for their decrease.
1 table, 3 ill., - ref.
|
UDC 621.43-231-321.2-42.001.24
Meden A.I.
Numerical profiling of shockless cams
// Dvigatelestroyeniye. — 1983. — ¹ 8. — P. 15–19.
Key words:
engines.
A technique is given of the cam profiling of an arbitrary profile for the advance motion of a cam follower with a roller. Problems of correction of the valve fit speed are studied and of provision of necessary stroke margins for inlet and exhaust valves of a 4-stroke engine before meeting with the piston. The use of this technique for a drive mechanism with a swinging cam follower is described.
2 table, 6 ill., 5 ref.
|
Contents
1983
|
|
MOUNTED UNITS SERVING SYSTEMS
|
UDC 621.43.038.771.001.24«401.7»
Lahtin Yu.B.
Calculation method of an air cleaner operation with a filter cartridge filled with a solid aerosol
// Dvigatelestroyeniye. — 1983. — ¹ 8. — P. 20–23.
Key words:
engines.
A mechanism is described to make dust deposits on a board shutter of a dry air cleaner filter cartridge. A method is offered to calculate air permeability of deposits, formulas are given for definition of the pressure drop elevation speed, and also calculated data are given of variation of these parameters, depending on the pre-cleaner operation effectiveness.
- table, 3 ill., 8 ref.
|
UDC 621.43.038.8-272.22.001.24 : 621.43.004.1/.2
Burdykin V.D.
Effect of amplitude-frequency characteristics on the nozzle operation
// Dvigatelestroyeniye. — 1983. — ¹ 8. — P. 23–25.
Key words:
diesel.
Results are given of an experimental definition of dynamic efforts on bearing coils in dependence on tne spring stiffness and pressure of the injection start. Amplitude-frequency characteristics of an oscillation process are defined. Effect of nozzle constructive parameters on the above process efficiency and coking of diffusers is shown.
1 table, 3 ill.,5 ref.
|
UDC 621.43.001.4 : 681.121.8 : 621.43-63
Dynga I.G., Fiodorov A.V.
Fuel flowmeter
// Dvigatelestroyeniye. — 1983. — ¹ 8. — P. 25–27.
Key words:
diesel.
A principle lay-out and constructive arrangement are described of a volumetric fuel flowmeter with measuring capacities, developed at GOSNITI, it has a low measuring error, not exceeding 0.4 %, and is purposed to measure the fuel consumption during the engine tests.
- table, 2 ill., - ref.
|
UDC 621.43-242.3.001.45
Levandashev L.O., Zinger Î.M., Evdokimov V.D.
Means for speeded-up test bed service tests of experimental piston rings, and circuits of their connection with engines
// Dvigatelestroyeniye. — 1983. — ¹ 8. — P. 28–29.
Key words:
engines.
A construction is described of a device to carry out speeded-up test bed service tests of experimental piston rings, when using the additive ALP-2 as an abrasive medium, and circuits are shown of the connection of the device with the engine. Advantages and defects of these connection circuits are analysed.
- table, 3 ill., 4 ref.
|
Contents
1983
|
AUTOMATION, REGULATION,
NON-SELECTIVE DIAGNOSTICS
|
UDC 621.43-53.052 : 621.3.072
Krutov V.I., Rybalchenko A.G.
Control system for turbocharging of internal combustion engines
// Dvigatelestroyeniye. — 1983. — ¹ 8. — P. 30–32.
Key words:
Engines.
A system is described for the turbocharger control, based on a À. C. electric bridge, which summarizes sensor signals and gives an output signal, monitoring an actuator.
- table, 3 ill., - ref.
|
UDC 621.431.73-441-52.004.1 : 621.43.052
Âarajev V.I., Haimin Yu.F.
Multi-functional corrector for the fuel supply of car-and-tractor diesel engines
// Dvigatelestroyeniye. — 1983. — ¹ 8. — P. 32–34.
Key words:
engines.
A corrector is described. for car-and-tractor turbocharged diesel engines, providing the fuel supply control, in dependence on speed, boost pressure, functioning as an actuator for emergency engine stop.
- table, 4 ill., 3 ref.
|
Contents
1983
|
MATERIALS, TECHNOLOGY AND
ORGANIZATION OF PRODUCTION
|
UDC 621.43.052 : 621.438-761.001.5 : 539.319 : 621.762
Derkachenko V.G., Prozorov V.P., Platonov V.N.
The use of coating made of coking material, providing the vibro-stress decrease of turbocharger turbine blades
// Dvigatelestroyeniye. — 1983. — ¹ 8. — P. 35–37.
Key words:
engines.
Investigation results are considered of the effect of coking coating on strength characteristics of the blade material, defining working capacity of the turbocharger turbine wheel blade.
2 table, 5 ill., 4 ref.
|
UDC [621.43 + 621.438].002.2 : 621.923.6
Dîrîfejev V.D.
Some problems of technological provision of a sharpening process for hard alloy cutters with a fir profile
// Dvigatelestroyeniye. — 1983. — ¹ 8. — P. 37–38.
Key words:
engines.
Information is given of hard alloy cutters, used for cutting of a turbine blade lock. The more important operation in the whole technological cycle of the cutter manufacturing is considered that is the grinding and backing-off of its profile. Information is given of the manufacturing of special diamond disks and of the method of their profiling.
- table, 3 ill., - ref.
|
Contents
1983
|
|
MAINTENANCE AND REPAIR ISSUES
|
UDC 621.431.74.004.58 : 621.43.018.8
Goleshchihin Yu.I.
Load control of diesel engines type 12ChN18/20, installed on a high speed ship board
// Dvigatelestroyeniye. — 1983. — ¹ 8. — P. 39–41.
Key words:
engines.
An experience is described of the use of IEM-2 instrument to define the load of main diesel engines M400 and M401, installed on a high speed ship board. Information is given of comparative diesel engine tests on high speed ships, receiving spiral curves and sihowing reasons of engine overload, when operating under transent conditions. Recommendations are given on how to decrease the engine overload and to use IEM-2 in practice.
- table, 2 ill., - ref.
|
UDC 621.436.004.16: 621.892.096.1 : 543.064
Reznikîv V.D., Sinaiski E.G., Hurgin Ya.I.
Calculation of non-soluble contamination concentration in the operating diesel engine oil
// Dvigatelestroyeniye. — 1983. — ¹ 8. — P. 41-42.
Key words:
engines.
Calculation of concentration of non-soluble contamination is given in the operating diesel engine oil, considering attained experimentally dependence of the oil contamination speed on its consumption for the oil melting loss; these results essentially differ from those neglecting the above dependence.
- table, 4 ill., 13 ref.
|
UDC 621.431.74-634.2.004.14
Vaskeviñh F.A., Âashmàkîv Â.I.
About the diesel engine operation on high viscous fuel under any operating conditions
// Dvigatelestroyeniye. — 1983. — ¹ 8. — P. 43–45.
Key words:
engines.
Marine low speed diesel engines are proposed to operate on heavy fuel under any conditions, including their start. This proposal was approbated on the Sulzer engine 6RND76 (6DCRN76/155). Analysis of oscillograms showed the safety and reliability of the start on fuel oil M-40. The engine would start smoothly, the maximum pressure in the fuel equipment did not exceed 41.5 mPa.
3 table, 1 ill., - ref.
|
UDC 621.43.004.1 «313» : 621.892.096.1 : 532.57
Stupnikov A.M.
Prediction of the operating oil consumption for melting loss, using measurement results during the tractor engine running-in.
// Dvigatelestroyeniye. — 1983. — ¹ 8. — P. 46–48.
Key words:
engines.
The use of a mathematical model is explained for description of variation of the oil consumption for melting loss during the tractor engine running-in. Investigation results are given of the effectiveness of the individual prediction of the oil consumption, based on the extrapolation and using a quasi-determined function.
- table, 3 ill., 6 ref.
|
Contents
1983
|
|
EXCHANGE OF EXPERIENCE
|
UDC 621.437.001.24 : 621.437-631.2.004.-18
Vîvkîgîn V.G., Yashina L.Sh., Zaitseva Ò.I.
Experience in calculation of load characteristics of rotor-piston engines
// Dvigatelestroyeniye. — 1983. — ¹ 8. — P. 49–50.
Key words:
engines.
Load characteristics are described on the fuel consumption resulting from the calculation of the indicator process and mechanical losses of an experimental automobile rotor-piston engine, and corresponding to experimental characteristics in a zone of great and average values Pme. It is shown that the use of calculated load characteristics provides quite precise parameters of the fuel automobile efficiensy.
- table, 2 ill., 5 ref.
|
UDC 621.436 : 629.114.2-728.001.6
Ismailov A.I., Ruderman I.L.
Decrease of loads in the lubricating system of a tractor diesel engine
// Dvigatelestroyeniye. — 1983. — ¹ 8. — P. 50–52.
Key words:
engines.
Methods to decrease dynamic loads are described in details of an oil system in a tractor diesel engine.
1 table, 5 ill., - ref.
|
UDC 621.43.-222.2-712.004.6 : 621.43.016.4
Âurstein L.M., Moldavanov V.P.
Evaluation of a surface temperature of the oil film on the cylinder wall of an air cooled engine
// Dvigatelestroyeniye. — 1983. — ¹ 8. — P. 52–54.
Key words:
engines.
Relations are given to calculate the surface temperature of the oil film on the cylinder wall of an air cooled engine. Examples of engines 8DVT-330 (8ChN15/16) and D144 (4Ch10.5/12) show that consideration of the oil film allows to define with more precision the thermal oil condition and contributes to discovering of burns and seizings.
- table, 3 ill., 4 ref.
|
Contents
1983
|
|
ENGINE BUILDING ABROAD
|
UDC 621.43-632.4.004.1 (430.1) : 001.83 (100)
Abramîv S.A., Gladkih V.A., Pîpîv V.P.
About works in FRG on the use of metanol as a motor fuel (information from symposium, held in Moscow on 24 and 26 November 1982)
// Dvigatelestroyeniye. — 1983. — ¹ 8. — P. 55–57.
Key words:
engines.
Review of some works are described, carried out in FRG on the use of metanol as a motor fuel or additions to gasoline and diesel fuel. Engines, operated on metanol fuel, are shown to have efficiency on the level of their tradition prototypes, and better parameters of the exhaust gas smoke. Therefore, problems of how to manufacture internal combustion engines, operated on metanol effectively and reliably, are practically solved.
- table, - ill., - ref.
|
Contents
1983
|
|
HYPOTHESES, SUGGESTIONS
|
UDC 621.436.001.45: 621.43-631.9.004.1
Piadiñhev E.V., Haitbajev S.H.
Tests of tractor and stationary diesel engines, operated on gas-condensate fuels
// Dvigatelestroyeniye. — 1983. — ¹ 8. — P. 58–60.
Key words:
engines.
The possibility to use gas-condensate fuels in tractor and stationary diesel engines is shown.
7 table, - ill., - ref.
|
Contents
1983
|
