电动涡轮增压发动机在城市驾驶循环中的性能模拟

IF 1 Q4 ENGINEERING, MECHANICAL
Kamalleswaran Subramaniam, Wan Saiful-Islam Wan Salim
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引用次数: 0

摘要

该研究旨在利用基于模拟的工作来估算去耦合电动涡轮增压器的能量回收潜力及其在火花点火发动机中的增压能力。乘用车发动机在低负荷和低转速下工作,因此需要对正常驾驶条件下可用于回收的能量进行表征和估算。我们开发了发动机和增压系统的一维数值模型,以预测稳态全负荷运行条件、部分负荷条件以及巴生谷和吉隆坡实际瞬态驱动循环条件下的能量回收情况。电动涡轮增压发动机由两个电机和一个电池组组成,使用 GT-Power 发动机仿真软件对其进行建模和利用。研究发现,电动涡轮增压系统在 2500 rpm 和 3000 rpm 转速下可分别回收 0.57 kW 和 0.50 kW。部分负荷研究表明,在 6500 rpm 转速下回收的最大电能为 5.25 kW。驱动循环分析表明,由于涡轮增压器输出性能相似,且重新校准的废气门控制器降低了背压,因此两种发动机型号的油耗相同。两个电动马达的加入部分缓解了这一问题。驾驶循环分析表明,电动涡轮增压器在优化后的性能比传统涡轮增压器更好。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Simulation of the Performance of an Electrically Turbocharged Engine Over an Urban Driving Cycle
The study aimed to estimate the energy recovery potential of a decoupled electric turbocharger and its boosting ability in a spark-ignition engine using simulation-based work. Passenger vehicle engines operate at low loads and speeds, requiring characterization and estimation of energy available for recovery under normal driving conditions. A 1-D numerical model of the engine and boosting system was developed to predict energy recovery over steady-state full-load operating conditions, part-load conditions, and actual, transient Klang Valley and Kuala Lumpur drive cycle conditions. The electric turbocharged engine consists of two motors and a battery pack, which were modeled and utilized using GT-Power engine simulation software. The study found that the electrical turbocharger system could recover 0.57 kW and 0.50 kW at 2500 rpm and 3000 rpm, respectively. Part-load studies showed that the maximum amount of electrical energy recovered at 6500 rpm was 5.25 kW. Drive cycle analysis revealed that fuel consumption was the same for both engine models due to the similar turbocharger output performance and lower back pressure caused by the recalibrated wastegate controller. This was partially mitigated by the inclusion of two electric motors. Drive cycle analysis revealed that the electric turbocharger can perform better than a conventional turbocharger when optimized.
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来源期刊
CiteScore
2.40
自引率
10.00%
发文量
43
审稿时长
20 weeks
期刊介绍: The IJAME provides the forum for high-quality research communications and addresses all aspects of original experimental information based on theory and their applications. This journal welcomes all contributions from those who wish to report on new developments in automotive and mechanical engineering fields within the following scopes. -Engine/Emission Technology Automobile Body and Safety- Vehicle Dynamics- Automotive Electronics- Alternative Energy- Energy Conversion- Fuels and Lubricants - Combustion and Reacting Flows- New and Renewable Energy Technologies- Automotive Electrical Systems- Automotive Materials- Automotive Transmission- Automotive Pollution and Control- Vehicle Maintenance- Intelligent Vehicle/Transportation Systems- Fuel Cell, Hybrid, Electrical Vehicle and Other Fields of Automotive Engineering- Engineering Management /TQM- Heat and Mass Transfer- Fluid and Thermal Engineering- CAE/FEA/CAD/CFD- Engineering Mechanics- Modeling and Simulation- Metallurgy/ Materials Engineering- Applied Mechanics- Thermodynamics- Agricultural Machinery and Equipment- Mechatronics- Automatic Control- Multidisciplinary design and optimization - Fluid Mechanics and Dynamics- Thermal-Fluids Machinery- Experimental and Computational Mechanics - Measurement and Instrumentation- HVAC- Manufacturing Systems- Materials Processing- Noise and Vibration- Composite and Polymer Materials- Biomechanical Engineering- Fatigue and Fracture Mechanics- Machine Components design- Gas Turbine- Power Plant Engineering- Artificial Intelligent/Neural Network- Robotic Systems- Solar Energy- Powder Metallurgy and Metal Ceramics- Discrete Systems- Non-linear Analysis- Structural Analysis- Tribology- Engineering Materials- Mechanical Systems and Technology- Pneumatic and Hydraulic Systems - Failure Analysis- Any other related topics.
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