Определение тягово–скоростных свойств автомобиля дорожным методом, работающего на разных видах топлива
Дата
2015
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Видавець
НТУ "ХПИ"
Анотація
Проанализированы существующие методы диагностирования автомобиля. Усовершенствованы математические модели сил сопротивления движению автомобиля, что даёт возможность получать более точные зависимости для определения данных сил, которые можно применять не только в рамках данного исследования, но и в других задачах создания и эксплуатации автомобилей. Сформулирована методика расчёта диагностического параметра, позволяющая определить значение тягово–скоростных свойств для любого легкового автомобиля. Проанализированы экспериментальные данные, полученные на разных видах топлива.
The analysis of existing methods of diagnosing the vehicle is carried out. On the basis of the analysis carried out there have been determined the diagnostic parameters – acceleration and slowing time, the choice of which is based on availability and information capability. The memoir deals with the improvement of the diagnosing method of tractor–speed properties of vehicles in road conditions. The high–speed factor Кv, allowing counting the value of the resistance factor to rolling and aerodynamic resistance with more split–hair accuracy, than earlier offered methods, and an expanding high-speed range for determination of the given factors is offered. The mathematical models of resistance forces to vehicle’s movement are improved. The mathematical dependences considering the influence of other forces of of vehicle’s movement resistance which were not earlier considered in a complex are made. The technique of vehicle’s general technical condition control is formed. The experimental check of the offered theoretical positions concerning the determination of traction dynamics equations components is carried out.
The analysis of existing methods of diagnosing the vehicle is carried out. On the basis of the analysis carried out there have been determined the diagnostic parameters – acceleration and slowing time, the choice of which is based on availability and information capability. The memoir deals with the improvement of the diagnosing method of tractor–speed properties of vehicles in road conditions. The high–speed factor Кv, allowing counting the value of the resistance factor to rolling and aerodynamic resistance with more split–hair accuracy, than earlier offered methods, and an expanding high-speed range for determination of the given factors is offered. The mathematical models of resistance forces to vehicle’s movement are improved. The mathematical dependences considering the influence of other forces of of vehicle’s movement resistance which were not earlier considered in a complex are made. The technique of vehicle’s general technical condition control is formed. The experimental check of the offered theoretical positions concerning the determination of traction dynamics equations components is carried out.
Опис
Ключові слова
уравнение тяговой динамики, коэффициент аэродинамического сопротивления, технического обслуживания, tractor–speed properties, aerodynamic resistance
Бібліографічний опис
Белогуров Е. А. Определение тягово–скоростных свойств автомобиля дорожным методом, работающего на разных видах топлива / Е. А. Белогуров // Вестник Нац. техн. ун–та "ХПИ" : сб. науч. тр. Темат. вып. : Автомобиле– и тракторостроение. – Харьков : НТУ "ХПИ". – 2015. – № 10 (1119). – С. 54-58.