Journal of Machinery Manufacture and Reliability

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Influence of a Thin Liquid Layer on the Impact of a Jet upon a Wall
Journal of Machinery Manufacture and Reliability - Tập 48 - Trang 314-319 - 2019
T. S. Guseva
The numerical results of studying the impact of an axisymmetric liquid jet upon a flat rigid wall covered by a layer of similar liquid are presented. Primary attention is paid to the effect the layer thickness on the wall has on loading in the range of impact velocities 150–350 m/s. The loading character is studied, and the estimations of wall pressure are obtained in the case of a small layer thi...... hiện toàn bộ
The dynamics of frontal frictional mechanisms (speed variators)
Journal of Machinery Manufacture and Reliability - Tập 43 - Trang 477-481 - 2014
V. I. Sergeev
Some peculiarities of frontal frictional mechanisms with cylindrical centroidal schemes and the external contacts of wheels, which ensures the continuous gradual variation of the transmission ratio of a mechanism, are considered. The solution of general issues of dynamics related to the selection of values of the parameters of the mechanism is based on the formulation of the “Vyshnegradskiy proble...... hiện toàn bộ
Deformations and Stresses of Thick-Walled Heat Exchange Pipes during Hydraulic Expansion
Journal of Machinery Manufacture and Reliability - Tập 50 - Trang 703-709 - 2022
L. A. Kondratenko, L. I. Mironova, V. S. Vinnikov
In this paper, the process of hydraulic expansion of a pipe by fluid pressure in the operation of fixing heat exchange pipes in a tube sheet is considered. The features of plastic deformation of a pipe of sufficient thickness and loading conditions are distinguished. A digital model of the pipe hydraulic expansion process is proposed, and the technology for creating a permanent joint with an inter...... hiện toàn bộ
Conditions for the Existence of the R-State in the TiNi-Based Alloy
Journal of Machinery Manufacture and Reliability - Tập 50 Số 7 - Trang 601-604 - 2021
D. U. Khasyanova
The dynamics of an ultrasonic drawing process
Journal of Machinery Manufacture and Reliability - Tập 42 Số 1 - Trang 45-48 - 2013
Astashev, V. K., Semenova, E. B.
A model of the ultrasonic drawing process is proposed and studied. The tangential elastic compliance of the material being deformed is taken into account in the description of the conical surfaces of the die and blank. The analysis results make it possible to explain the experimentally observed effects of a decrease in the drawing force during the ultrasonic vibration of the die.
Simulation of Thermal Processes in a Heating System
Journal of Machinery Manufacture and Reliability - - 2021
А. А. Шульженко, M. B. Modestov
Statistical simulation of mechanical engineering products by diagnostic parameters
Journal of Machinery Manufacture and Reliability - Tập 37 - Trang 612-617 - 2008
V. V. Golikova, E. L. Pervukhina, P. K. Sopin
A method of statistical simulation of complicated mechanical engineering products for real-time decision making during acceptance and check tests is developed. The main advantage of the method suggested is related to the use of simplified models based on the establishment of stationary dependences between time-dependent stochastic processes of change in the diagnostic parameters.
Synthesis of a precise plunger gear
Journal of Machinery Manufacture and Reliability - Tập 38 - Trang 117-119 - 2009
M. N. Karakulov
The design of a reducer with a plunger gear is considered. A technique of geometric synthesis of a plunger gear with a circular arc form of the plunger working element is developed. Theoretical solutions are illustrated by a numerical example taken from the practice of designing reducer preproduction models.
Comparison of the Deformation Behavior of Homogeneous and Heterostructured Materials Acted on by a Pulse Current
Journal of Machinery Manufacture and Reliability - Tập 50 - Trang 455-458 - 2021
V. V. Stolyarov
The deformation behavior of a heterostructure-based composite superconductor upon tension with the introduction of high-power single current pulses in comparison with that of a monostructure-based alloy with an analogous chemical composition is studied.
An algorithm for determination of the disbalance of a rotor with electromagnetic bearings
Journal of Machinery Manufacture and Reliability - - 2007
Ф. М. Митенков, В. В. Знышев, Е.V. Кiryushina, M. Ya. Nikolaev, В. Ф. Овчинников, А. В. Фадеев
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