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Development of Plate-type Fine Atomizing Nozzles for SI Engines with Intake-port Fuel Injection
Suzuki, Takashi,Tani, Yasuhide The Institute for Liquid Atomization and Spray Sys 2007 한국액체미립화학회지 Vol.12 No.1
This paper presents both experimental and numerical studies regarding nozzles used for the SI engine application, particularly for the intake-port fuel injection type. The atomization mechanism of the multi-hole plate nozzle was investigated experimentally. It was found that the nozzle design added turbulence into the liquid-film jet and the jet disintegrated rapidly. Based on the results, various plate types for the nozzle were developed and tested; six hole nozzle for liquid jet interaction, plate-type nozzle with flat duct channel, and the simpler structured nozzle. The spray characteristics of the prototype nozzles were examined experimentally while the internal flow of the nozzle was investigated computationally. It was shown that turbulent liquid-film was injected and atomization quality was improved by controlling the internal flow condition of the plate-type nozzle.
TAKASHI SUZUKI,SHIGENOBU SHINOHARA,HIROFUMI YOSHIDA,HIROAKI IKEDA,YASUHIRO SAITOH,KEN-ICHI NISHIDE,MASAO SUMI 대한전자공학회 1992 대한전자공학회 학술대회 Vol.1992 No.10
An infrared range finder using a self-mixing laser diode (SM-LD), which has been proposed and developed by the authors, can measure not only a range of a moving target but its velocity simultaneously. In this paper, described is that the precise mode-hop pulse train can be obtained by employing a new signal processing circuit even when the backscattered light returning into the SM-LD is much more weaker. As a result, the distance to a tilted square sheet made from aluminium or white paper, which is placed 10 ㎝ through 60 ㎝ from the SM-LD, is measured with accuracy of a few percent even when the tilting angle is less than 75 degrees or 85 degrees, respectively.<br/> And in this paper, described is the range-image recognition of a plane object under the condition of standstill. The output laser beam is scanned by scanning two plane mirrors equipped with each stepping motor. And we succeeded in the acquisition of the range-image of a plane object in a few tens of seconds. Furthermore, described is a feasibility study about the range-image recognition of a slowly moving plane object.
( Takashi Suzuki ) 한국언어정보학회 1994 국제 워크샵 Vol.1994 No.-
This paper attempst to clarify semantic properties of some aspec-tual verbs in Japanese. We claim that basic character of aspectual verbs is that they affect the events described by embedded sentences and yield new events or states from them. THis is our claim.