Experimental Of Free-Load Hydro-Pneumatic Propulsion System

Muhammad Yusoff, Mohamad Azrul Azwa (2019) Experimental Of Free-Load Hydro-Pneumatic Propulsion System. Project Report. UTeM, Melaka, Malaysia. (Submitted)

Text (24 Pages) Experimental Of Free-Load Hydro-Pneumatic Propulsion System.pdf - Submitted Version Download (309kB)

Abstract

The hydro-pneumatic hybrid system is one of the new hybrid systems, where it is a combination of the Internal Combustion Engine (ICE) and hydraulic system. This system promises an advantage in term of environment, fuel efficiency, and more efficient compared to a conventional car. However, the problem of this system is there too little data regarding its driveline behavior and there are no data for the max RPM of the system. This research is focused on experimental free load hydro-pneumatic propulsion system. The hydropneumatic propulsion system has been designed and the simulation was run by using Automation Studio software. The fabrication also involves in this research were to fabricate the test rig. This research aims to find free load RPM, flow, pressure losses and to calculate the free load efficiency of the system. The experimental method was chosen in this research in order to obtain the value of RPM, flow, pressure losses, and system efficiency. The experiment was conducted with a pressure of 100, 120, 140, 160, 180 and 200 bar. The analysis of the flow, pressure difference, power, torque, system efficiency and motor efficiency to the system pressure have been analyzed and discussed in Chapter 6. Based on the experiment result, the highest value of RPM is achieved at maximum setting pressure which is 236.477 while the flow rate is proportional to the system pressure. The efficiency of the system is decreasing as increasing the pressure. This is due to the high-pressure losses in the system. It can be concluded that the value of RPM, flow and power are depending on the input pressure.

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