5篇
您的检索式：作者名="NISHI Michihiro"
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| 1 | An experimental study on self-output-control characteristics of micro downwind rotor with coning soft blades显示文摘In this short paper,we have treated the aerodynamic performance of micro downwind rotor with coning soft blades experimentally.The test wind rotor has the tip diameter of 1.5 m and three two-dimensional NACA0018 blades of 0.15 m chord whose material is light,soft and pliable foam plastic for perfect safety.From the wind tunnel test,it is realized that the performance is manageable by the coning angle of the rotor blade.In the present case,an improvement of the performance in lower wind speeds is achieved by using the coning blade of 20°.Besides,owing to the torsional deformation of very soft blade,the self-power control characteristic is observed in every test rotor regardless of coning angle in the range of 0°-20° under the wind speed less than 12 m/s. | EGUCHI Hidenori YOSHIDA Kouichi NISHI Michihiro | 2010 | Science China(Technological Sciences)2010，53，1： | 6 |
| 2 | NUMERICAL STUDY OF FLOW IN CONICAL DIFFUSER WITH VORTEX GENERATOR JETS显示文摘To develop vortex generator jet (VGJ) method for flow control, the turbulence flow in a 144°conical diffuser with and without vortex generator jets are simulated by solving Navier-Stokes equations with κ -ε turbulence model. The diffuser performance, based on different velocity ratio (ratio of the jet speed to the mainstream velocity), is investigated and compared with the experimental study. On the basis of the flow characteristics using computation fluid dynamics (CFD) method observed in the conical diffuser and the downstream development of the longitudinal vortices, attempt is made to correlate the pressure recovery coefficient with the behavior of vortices produced by vortex generator jets. | LIU Xiaomin NISHI Michihiro | 2007 | Chinese Journal of Mechanical Engineering2007，20，1： | 1 |
| 3 | Correlation between long-term outcome and steroid therapy in type 1 autoimmune pancreatitis: relapse, malignancy and side effect of steroid显示文摘 | Shuya Shimizu Itaru Naitoh Takahiro Nakazawa Kazuki Hayashi Katsuyuki Miyabe Hiromu Kondo Yuji Nishi Michihiro Yoshida Shuichiro Umemura Yasuki Hori Akihisa Kato Fumihiro Okumura Hitoshi Sano Yoshikazu Hirata Hiroki Takada Hirotaka Ohara Takashi Joh | 2015 | Scandinavian Journal of Gastroenterology2015，，11： | 1 |
| 4 | Vortex Generator Jets--Means for Flow Separation Control显示文摘 | Johnston J P Nishi Michihiro | 1990 | AIAAA Journal1990，28，6： | 1 |
| 5 | A novel shaft-less double suction mini pump显示文摘A novel double suction shaft-less mini pump was developed for heat control of small energy systems in this study.The mini pump impeller with an exit diameter of 40 mm was combined with the motor rotor supported by the hybrid dynamic bearing.The specific speed of the pump was 125 min-1 m3 min-1 m.The hydraulic performance of the pump was investigated experimen-tally under four rotational speeds.From the test results,it was recognized that the pump could provide a flow discharge of 5 L/min and head of 1.5 m,which are applicable for the heat control system of a 3 kW fuel cell.A three-dimensional turbulent flow simulation in the pump was also conducted near the design point.The numerical results showed that the average hydraulic performance of the mini pump was predicted reasonably.From the internal flow simulation,it was revealed that the favorable inflow condition upstream of impeller inlet could be attained by applying the double suction shaft-less design for the mini pump. | NISHI Michihiro | 2010 | Science China(Technological Sciences)2010，53，1： | 0 |
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