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Volume: 19 | Article ID: art00071_1
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Design and Fabrication of Thermal Bubble Fuel Injector
Ching-Yi Mao
Jinn-Cherng Yang
Chou-Lin Wu
Ching-Long Chiu
Chun-Jung Chen
  DOI :  10.2352/ISSN.2169-4451.2003.19.1.art00071_1  Published Online :  January 2003
Abstract

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.

Journal Title : NIP & Digital Fabrication Conference
Publisher Name : Society of Imaging Science and Technology
Publisher Location : 7003 Kilworth Lane, Springfield, VA 22151, USA
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 DOI 10.2352/ISSN.2169-4451.2003.19.1.art00071_1
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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 Injector"  in Proc. IS&T Int'l Conf. on Digital Printing Technologies (NIP19),  2003,  pp 294 - 297,  https://doi.org/10.2352/ISSN.2169-4451.2003.19.1.art00071_1

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Copyright © Society for Imaging Science and Technology 2003
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NIP & Digital Fabrication Conference
nip digi fabric conf
2169-4451
Society of Imaging Science and Technology
7003 Kilworth Lane, Springfield, VA 22151, USA
2169-4451(20030101)2003:1L.294;1-
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Articles
Design and Fabrication of Thermal Bubble Fuel Injector
MaoChing-Yi
YangJinn-Cherng
WuChou-Lin
ChiuChing-Long
ChenChun-Jung
01012003
2003
1
294
297
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.