Simulation of System Pressure Impact on the Water Hydraulic Hybrid Driveline Performance

Authors

  • Ahmad Anas Yusof Fakulty of Mechanical Engineering, Universiti Teknikal Malaysia Melaka, Hang Tuah Jaya, 76100 Durian Tunggal, Melaka, Malaysia
  • Saiful Akmal Sabaruddin Fakulty of Mechanical Engineering, Universiti Teknikal Malaysia Melaka, Hang Tuah Jaya, 76100 Durian Tunggal, Melaka, Malaysia
  • Syarizal Bakri Fakulty of Mechanical Engineering, Universiti Teknikal Malaysia Melaka, Hang Tuah Jaya, 76100 Durian Tunggal, Melaka, Malaysia
  • Suhaimi Misha Fakulty of Mechanical Engineering, Universiti Teknikal Malaysia Melaka, Hang Tuah Jaya, 76100 Durian Tunggal, Melaka, Malaysia

Keywords:

water hydraulics, hydraulic hybrid system, fluid power

Abstract

Typical hydraulic hybrid system vehicles depend on oil-based hydraulic fluid. Due to the natural concerns of environment and safety, promote the uses of the water-based hydraulic hybrid system. The aim of this research to investigate the potential of using water-based hydraulic technology instead of the current oil-based hydraulic technology. The main subject of this technology is in heavy commercial vehicles that frequently in a stop and go modes such as garbage trucks or delivery trucks that produce an immense amount of energy in a moment. The hydraulic hybrid driveline presented in this research is a series type, and the output of the driveline is connected to a Mitsubishi Fuso 6D34-0AT2 as a load to the system. In addition, the driveline is contained of hydraulic component (accumulator, hydraulic pump/motor) which serves to store and distribute power. HyspinAWS68 (mineral oil) was used as a pressure medium to create a comparison with water. Extensive study on the component modelling and simulation by using Matlab/Simulink has been conducted. Based on the simulation, several data were collected such as time taken to fully charged, pressure, volumetric flow rate, torque, power, vehicle speed and also efficiency. The simulation result indicates that as one might expect that HyspinAWS68 has a higher performance of hydraulic hybrid driveline compared to water. This is due to the weakness of water properties as a pressure medium in terms of the density, viscosity, bulk modulus that causes a significant effect on the efficiency and performance of the hydraulic hybrid driveline. Several serious issues faced by water are internal leakage, pressure drop and also the capability to be compressed. Despite this, the implementation of water hydraulic a potential response that required depth studies in terms of the properties and the component parameter to achieve the optimum performance of water-based hydraulic hybrid driveline.

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Published

2021-01-16

How to Cite

Yusof, A. A. ., Sabaruddin, S. A. ., Bakri, S. ., & Misha, S. . (2021). Simulation of System Pressure Impact on the Water Hydraulic Hybrid Driveline Performance. CFD Letters, 10(2), 59–75. Retrieved from https://www.akademiabaru.com/submit/index.php/cfdl/article/view/3292
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