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Design and Fabrication of Thermal Bubble Fuel Injector

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This study uses the thermal bubble inkjet technology to design and fabrication a micro fuel injector. Due to the low surface tension of fuel property, this study applies the hydrophobic treatment on nozzle plate and the contact angle is improved from less than 10 to 49.5 degrees which avoiding the puddling condition on the nozzle plate surface. The inkjet technology trend approaches the droplet volume decreased and printing resolution increased. While the running speed of engine system needs increased ejection flow rate of thermal bubble fuel injector. Therefore, in this study, injection flow rate of the thermal bubble fuel injector approach to 8.2 c.c./min with frequency of 3 kHz compared to the commercial print head of 2 c.c./min with 8 kHz.

Document Type: Research Article

Publication date: January 1, 2003

More about this publication?
  • For more than 25 years, NIP has been the leading forum for discussion of advances and new directions in non-impact and digital printing technologies. A comprehensive, industry-wide conference, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems, including drop-on-demand ink jet, wide format ink jet, desktop and continuous ink jet, toner-based electrophotographic printers, production digital printing systems, and thermal printing systems, as well as the engineering capability, optimization, and science involved in these fields.

    Since 2005, NIP has been held in conjunction with the Digital Fabrication Conference.

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