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Rapid Manufacturing of Thin Soft Pneumatic Actuators and Robots
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Technical feasibility of a pneumatically driven vehicle.

Abdul Hai Alami1, Abdullah Abu Hawili2, Mohammad Issam Fadel3

  • 1Sustainable and Renewable Energy Engineering, University of Sharjah, P.O.Box 27272, Sharjah, United Arab Emirates; Center for Advanced Materials Research, Research Institute of Science and Engineering (RISE), University of Sharjah, Sharjah, P.O. Box 27272, United Arab Emirates.

The Science of the Total Environment
|December 14, 2020
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Summary
This summary is machine-generated.

This study explores the feasibility of air-powered vehicles. Low-pressure air cylinders and a simple mechanism achieve moderate speeds, showing potential for specialized transport in large areas.

Keywords:
All-air vehicleCompressed airPower transmissionPower-density

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Area of Science:

  • Engineering
  • Sustainable Transportation
  • Renewable Energy Systems

Background:

  • Conventional vehicles contribute to pollution and rely on fossil fuels.
  • There is a growing need for sustainable and environmentally friendly transportation alternatives.
  • Compressed air propulsion presents a potential zero-emission solution.

Purpose of the Study:

  • To investigate the technical feasibility of an all-air vehicle.
  • To experimentally assess the performance of a compressed air propulsion system.
  • To evaluate the potential of air-powered vehicles for specific applications.

Main Methods:

  • Construction of a test rig with three low-pressure (5 bar) air cylinders.
  • Utilizing solenoid valves and a programmable logic controller for cylinder discharge management.
  • Implementing tandem and sequential discharge modes to meet varying power demands.
  • Employing a sprocket-chain mechanism for power transmission in this proof-of-concept.

Main Results:

  • Demonstrated technical feasibility of an all-air vehicle concept.
  • Achieved top velocities of approximately 14 km/h with driven sprocket powers around 0.7 hp.
  • Identified a wide range of output power and speed possibilities through varied discharge sequences and gear ratios.
  • Highlighted potential for applications in large, enclosed areas like campuses and hospitals.

Conclusions:

  • Compressed air vehicles show promise for specialized, low-speed transport.
  • The system's flexibility in power and speed output is suitable for diverse operational needs.
  • Further development, including replacing the sprocket-chain with a CVT, can enhance performance.