Temat: thermodynamically reversible process - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Solving the problem of elasticity for round thick plates at axially symmetric strain
Autorzy:: Hvertsev, O.
Selivanova, N.
Powiązania:: https://bibliotekanauki.pl/articles/2140678.pdf
Data publikacji:: 2016
Wydawca:: Fundacja Centrum Badań Socjologicznych
Tematy:: theory of elasticity
axisymmetric function movement
temperature change
thermodynamically reversible (inverse) process
bending round plate
Opis:: An exact solution of the equations of elasticity for round plates loaded axially symmetric. The problem of bending round plates, which are under the influence of normal forces attached to any law to load any type of resistance. It is shown that pasture circular plate under axially symmetric load leads to appearance of temperature field.
Źródło:: Journal of Sustainable Development of Transport and Logistics; 2016, 1, 1; 40-48
2520-2979
Pojawia się w:: Journal of Sustainable Development of Transport and Logistics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Simulation of thermomechanical processes in disc brakes of wheeled vehicles
Autorzy:: Hrevtsev, O.
Selivanova, N.
Popovych, P.
Poberezhny, L.
Sakhno, V.
Shevchuk, O.
Poberezhna, L.
Murovanyi, I.
Hrytsanchuk, A.
Romanyshyn, O.
Powiązania:: https://bibliotekanauki.pl/articles/1818803.pdf
Data publikacji:: 2021
Wydawca:: Stowarzyszenie Komputerowej Nauki o Materiałach i Inżynierii Powierzchni w Gliwicach
Tematy:: disc brake
wheeled vehicle
angular velocity
thermodynamically reversible process
centrifugal force
time of relaxation
isotropic elastic medium
torsional moment
hamulec tarczowy
pojazd kołowy
prędkość kątowa
siła odśrodkowa
izotropowy ośrodek sprężysty
moment skręcający
Opis:: Purpose: Ensuring the required operational reliability of disc brakes by forecasting their technical condition taking into account thermomechanical processes. Design/methodology/approach: Differential equations of rotation of a rigid body around a fixed axis are solved, it is established that the equations of motion and the equations of thermal conductivity are indirectly related. The use of these analytical dependences provides a better understanding of thermomechanical transients. Findings: The solution is obtained on the basis of the differential equation of thermal conductivity of the hyperbolic type, which does not allow an infinite velocity of propagation of temperature perturbations in contrast to the differential equation of thermal conductivity of the parabolic Fourier type. The obtained analytical dependences provide a better understanding of thermomechanical transients and develop a theoretical basis for determining stresses and heat fluxes in solving problems of reliability and durability of disc brakes. Research limitations/implications: The work uses generally accepted assumptions and limitations for thermomechanical calculations. Practical implications: It is shown, that transients in a mechanical system - a brake disk at impulse loadings cause emergence of thermal effects which arise under the influence of external loadings. Originality/value: The application of these analytical dependences provides a better understanding of thermomechanical transients and develops a theoretical basis for solving problems of reliability and durability of disc brakes.
Źródło:: Journal of Achievements in Materials and Manufacturing Engineering; 2021, 104, 1; 11--20
1734-8412
Pojawia się w:: Journal of Achievements in Materials and Manufacturing Engineering
Dostawca treści:: Biblioteka Nauki

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