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Volume: 19 | Article ID: art00071_1
Design and Fabrication of Thermal Bubble Fuel Injector
  DOI :  10.2352/ISSN.2169-4451.2003.19.1.art00071_1  Published OnlineJanuary 2003

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.

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Ching-Yi Mao, Jinn-Cherng Yang, Chou-Lin Wu, Ching-Long Chiu, Chun-Jung Chen, "Design and Fabrication of Thermal Bubble Fuel Injectorin Proc. IS&T Int'l Conf. on Digital Printing Technologies (NIP19),  2003,  pp 294 - 297,

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