An Investigation into the Use of Fluidic Devices as Gas Fuel Injectors for Natural Gas Engines

Paper #:
  • 960768

Published:
  • 1996-02-01
Citation:
Huang, Q. and Chen, R., "An Investigation into the Use of Fluidic Devices as Gas Fuel Injectors for Natural Gas Engines," SAE Technical Paper 960768, 1996, https://doi.org/10.4271/960768.
Author(s):
Affiliated:
Pages:
18
Abstract:
A novel gas fuel injector system based on the use of monostable fluidic devices is described in this paper. The proposed system consists of non-moving-part fluidic devices which are capable of operating in a Pulse Width Modulated (PWM) control mode and of handling a large amount of gas flow for engine operations. The system also includes an electro-fluidic interface for fluidic switching and air-gas mixing nozzles for better mixing quality.Two prototype fluidic injector units were produced and their steady-state and dynamic characteristics were evaluated on a laboratory test rig. The results were compared with those from several commercial gas injectors and it was found that the fluidic injector has a faster dynamic response and a smaller cycle-cycle variations.
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