NAU Harvester System
ТО THE QUESTION OF THE EVALUATION OF THERMAL BALANCE OF SOLID DISCS OF BRAKES IN THE SUBCATEGORY OF VEHICLES
Наукові журнали Національного Авіаційного Університету
View Archive Info| Field | Value | |
| Title |
ТО THE QUESTION OF THE EVALUATION OF THERMAL BALANCE OF SOLID DISCS OF BRAKES IN THE SUBCATEGORY OF VEHICLES
К ВОПРОСУ ОЦЕНКИ ТЕПЛОВОГО БАЛАНСА СПЛОШНЫХ ДИС-КОВ ТОРМОЗОВ В ПОДКАТЕГОРИЯХ ТРАНСПОРТНЫХ СРЕДСТВ ДО ПИТАННЯ ОЦІНКИ ТЕПЛОВОГО БАЛАНСУ СУЦІЛЬНИХ ДИСКІВ ГАЛЬМ В ПІДКАТЕГОРІЯХ ТРАНСПОРТНИХ ЗАСОБІВ |
|
| Creator |
Вольченко, Дмитрий Александрович
Скрыпнык, Василий Степанович Вудвуд, Александр Николаевич Витвицкий, Василий Степанович |
|
| Subject |
vehicle; disk-shoe brake; solid brake disk with flange; heat balance; heat exchange types
УДК 629.413-592.113 транспортное средство; дисково-колодочный тормоз; сплошной тормозной диск с фланцем; тепловой баланс; виды теплообмена — транспортний засіб; дисково-колодкове гальмо; суцільний гальмівний диск з фланцем; тепловий баланс; види теплообміну — |
|
| Description |
The tribological system, to which the disk-and-shoe brake relates, is a complex system with its hierarchical ordering. This system consists of a set of subsystems that interact with each other in a single field. The latter occurs as a result of the frictional interaction of brake friction pairs during their electrothermomechanical loading. The latter is accompanied by dynamic, electrical, thermal and chemical processes, phenomena and effects that are observed in the surface and subsurface layers of materials of the friction unit. The method of heating and cooling brake discs of the front axle (as most heavily loaded) of the vehicle is carried out in laboratory and operational conditions in four stages. First step. In laboratory conditions heat losses are determined by radiation and natural convective heat exchange from a heated brake disk with a flange. Second phase. In laboratory conditions heat losses are determined by radiation and natural convective heat exchange from the surfaces of the heated first brake disk with a flange. The third stage. Under operational conditions, heat losses are determined by conductive heat exchange from parts of the surfaces of the flanges of the brake discs when they interact with the surfaces of the hub flanges of the vehicle's front axle. The fourth stage. Under operational conditions, heat losses are determined by forced convective and radiative heat transfer from the surfaces of heated self-ventilated brake discs of the vehicle's rear axle. Thus, in the laboratory and operating conditions, heating and cooling of the brake discs are carried out, which allowed to determine heat losses with radiation, natural and forced convection heat exchange from their surfaces to the environment, and conductive heat exchange from disk flanges to flanges of the rear axle of the vehicle.
В материалах статьи рассмотрен метод оценки теплового баланса в лабораторных и эксплуатационных условиях сплошных дисков тормозов транспортных средств. Данный метод реализуется в четыре этапа. У матеріалах статті розглянуто метод оцінки теплового балансу в лабораторних й експлуатаційних умовах суцільних дисків гальм транспортних засобів. Запропонований метод реалізується у чотири етапи. |
|
| Publisher |
National Aviation University
|
|
| Contributor |
—
— — |
|
| Date |
2018-09-24
|
|
| Type |
—
|
|
| Format |
application/pdf
|
|
| Identifier |
http://jrnl.nau.edu.ua/index.php/PTZ/article/view/13304
10.18372/0370-2197.3(80).13304 |
|
| Source |
Проблеми тертя та зношування; № 3(80) (2018); 16-23
Problems of Friction and Wear; № 3(80) (2018); 16-23 Проблемы трения и изнашивания; № 3(80) (2018); 16-23 |
|
| Language |
uk
|
|