动力回流液压传动轮式装载机的燃油消耗

IF 0.7 Q4 ENGINEERING, MECHANICAL
Huan Wang, Shuaishuai Ge, Dong Guo, Y. Jiang
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引用次数: 0

摘要

世界正面临着化石燃料资源供应有限和严格的环境限制。因此,开发先进的技术来提高车辆的燃油经济性非常重要,尤其是对于发动机排量大、排放特性差的工程车辆。这些车辆中的大多数在动力传动系中使用液压机械传动,以提高操纵性。然而,液力机械变速器的一个关键问题是低效变矩器。针对这一问题,我们提出了动力回流液压传动系统(PRHTS),这是一种新型的无级变速传动系统。PRHTS可以通过将发动机功率分为机械功率和液压功率来提高动力传动系的整体传动效率。因此,PRHTS是一种有效的解决方案,可以降低燃料消耗,从而减少建筑车辆的排放。为了定量研究PRHTS在提高工程车辆燃油经济性方面的作用,建立了与PRHTS耦合的轮式装载机模型,并在轮式装载机驱动条件下进行了数值模拟。仿真结果表明,与原轮式装载机相比,采用PRHTS的轮式装载机总油耗降低了3.39%。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Fuel consumption of a wheel loader with power reflux hydraulic transmission system
The world is facing a limited supply of fossil fuel resources and stringent environmental constraints. Therefore, it is very important to develop advanced technologies to improve vehicle fuel economy, especially for construction vehicles, which have large engine displacements and poor emission characteristics. The majority of these vehicles use hydraulic mechanical transmission in the power train in order to improve maneuverability. However, a key issue on the hydraulic mechanical transmission is the low-efficiency torque converter. Focusing on this issue, we proposed the power reflux hydraulic transmission system (PRHTS), which is a new continuously variable transmission system. The PRHTS can improve the overall transmission efficiency of the power train by splitting the engine power into mechanical and hydraulic power. Therefore, the PRHTS is a valid solution to reduce the fuel consumption and subsequently decrease emissions from construction vehicles. In order to quantitatively study the effect of using the PRHTS on improving the fuel economy for construction vehicles, a wheel loader coupled with the PRHTS is modeled, and numerical simulation is conducted under the wheel loader driving condition. The simulation results show that the total fuel consumption of the wheel loader coupled with PRHTS is reduced by 3.39 % compared with that of the original wheel loader.
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来源期刊
Journal of Vibroengineering
Journal of Vibroengineering 工程技术-工程:机械
CiteScore
1.70
自引率
0.00%
发文量
97
审稿时长
4.5 months
期刊介绍: Journal of VIBROENGINEERING (JVE) ISSN 1392-8716 is a prestigious peer reviewed International Journal specializing in theoretical and practical aspects of Vibration Engineering. It is indexed in ESCI and other major databases. Published every 1.5 months (8 times yearly), the journal attracts attention from the International Engineering Community.
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