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| 1 | Unsteady Internal Flow Conditions of Mini-Centrifugal Pump with Splitter Blades显示文摘Mini centrifugal pumps having a diameter smaller than 100mm are employed in many fields. But the design method for the mini centrifugal pump is not established because the internal flow condition for these small-sized fluid machines is not clarified and conventional theory is not suitable for small-sized pumps. Therefore, mini centrifugal pumps with simple structure were investigated by this research. Splitter blades were adopted in this research to improve the performance and the internal flow condition of mini centrifugal pump which had large blade outlet angle. The original impeller without the splitter blades and the impeller with the splitter blades were prepared for experiment. The performance tests are conducted with these rotors in order to investigate the effect of the splitter blades on performance and internal flow condition of mini centrifugal pump. On the other hand, a three dimensional unsteady numerical flow analysis was conducted to investigate the change of the internal flow according to the rotor rotation. It is clarified from the experimental results that the performance of the mini centrifugal pump is improved by the splitter blades. The blade-to-blade low velocity region was suppressed in the case with the splitter blades. In addition to that, the unsteady flows near the volute casing tongue were suppressed due to the splitter blades. In the present paper, the performance of the mini centrifugal pump is shown and the unsteady flow condition is clarified with the results of the numerical flow analysis. Furthermore, the effects of the splitter blades on the performance and the unsteady internal flow condition are investigated. | T. Shigemitsu J. Fukutomi K. Kaji T. Wada | 2013 | Journal of Thermal Science2013，22，1： | 18 |
| 2 | Performance Analysis of Mini Centrifugal Pump with Splitter Blades显示文摘Design method for a mini centrifugal pump is not established because the internal flow condition for these small-sized fluid machines is not clarified and conventional theory is not suitable for small-sized pumps. Then, a semi-open impeller for the mini centrifugal pump with 55mm impeller diameter is adopted in this research to take simplicity and maintenance into consideration. Splitter blades are adopted in this research to improve the performance and internal flow condition of mini centrifugal pump having large blade outlet angle. The performance tests are conducted with these rotors in order to investigate the effect of the splitter blades on the performance and internal flow condition of the mini centrifugal pump. A three dimensional steady numerical flow analysis is conducted to analyze rotor, volute efficiency and loss caused by a vortex. It is clarified from the experimental results that the performance of the mini centrifugal pump is improved by the effect of the splitter blades. Flow condition at outlet of the rotor becomes uniform and back flow regions are suppressed in the case with the splitter blades.Further, the volute efficiency increases and the vortex loss decreases. In the present paper, the performance of the mini centrifugal pump is shown and the flow condition is clarified with the results of the experiment and the numerical flow analysis. Furthermore, the performance analyses of the mini centrifugal pumps with and without the splitter blades are conducted. | T. Shigemitsu J. Fukutomi T. Wada H. Shinohara | 2013 | Journal of Thermal Science2013，22，6： | 13 |
| 3 | Arterial stiffness independently predicts cardiovascular events in an elderly community — Longitudinal Investigation for the Longevity and Aging in Hokkaido County (LILAC) study显示文摘 | O. Matsuoka K. Otsuka S. Murakami N. Hotta G. Yamanaka Y. Kubo T. Yamanaka M. Shinagawa S. Nunoda Y. Nishimura K. Shibata H. Saitoh M. Nishinaga M. Ishine T. Wada K. Okumiya K. Matsubayashi S. Yano K. Ichihara G. Cornélissen F. Halberg T. Ozawa | 2005 | Biomedicine & Pharmacotherapy2005，，： | 2 |
| 4 | Comprehensive diagnostic ability of endocytoscopy compared with biopsy for colorectal neoplasms: a prospective randomized noninferiority trial显示文摘 | Y. Mori S. Kudo N. Ikehara K. Wakamura Y. Wada M. Kutsukawa M. Misawa T. Kudo Y. Kobayashi H. Miyachi F. Yamamura K. Ohtsuka H. Inoue S. Hamatani | 2013 | Endoscopy2013，，02： | 1 |
| 5 | Extracorporeal shock wave therapy improves motor dysfunction and pain originating from knee osteoarthritis in rats显示文摘 | N. Ochiai S. Ohtori T. Sasho K. Nakagawa K. Takahashi N. Takahashi R. Murata K. Takahashi H. Moriya Y. Wada T. Saisu | 2007 | Osteoarthritis and Cartilage2007，，9： | 1 |
| 6 | 查看详情显示文摘 | T. Kodama N. Kataoka N. Wada G.Cincotti X.Wang T.Miyazaki and K.Kitayama High-Security 2.5 Gbps Polarization Multiplexed 256-Ary OCDM Using a Single Multi-Port Encoder/Decoder | | 0，，20： | 1 |
| 7 | High power diode laser cladding of Fe–Co–B–Si–C–Nb amorphous coating: Layered microstructure and properties显示文摘 | Y.Y. Zhu Z.G. Li R.F. Li M. Li K. Feng Y.X. Wu T. Wada H. Kato | 2013 | Surface & Coatings Technology2013，，： | 1 |
| 8 | Changes in Osteoblast Phenotype During Differentiation of Enzymatically Isolated Rat Calvaria Cells显示文摘 | Y. Wada H. Kataoka S. Yokose T. Ishizuya K. Miyazono Y.-H. Gao Y. Shibasaki A. Yamaguchi | 1998 | Bone1998，，5： | 1 |
| 9 | Effect of trace elements, molybdenum, and intercritical heat treatment on temper embrittlement of 2-1/4Cr-1 Mo steel显示文摘 | T. Wada W. C. Hagel | 1976 | Metallurgical Transactions A1976，，8： | 1 |
| 10 | Activity of carbon and solubility of carbides in the FCC Fe-Mo-C, Fe-Cr-C, and Fe-V-C alloys显示文摘 | T. Wada H. Wada J. F. Elliott J. Chipman | 1972 | Metallurgical Transactions1972，，11： | 1 |
| 11 | Microstructure of porous anodic oxide films on aluminium显示文摘 | K. Wada T. Shimohira M. Yamada N. Baba | 1986 | Journal of Materials Science1986，，11： | 1 |
| 12 | The reaction sequence in the synthesis of aluminium borate whiskers显示文摘 | H. Wada K. Sakane T. Kitamura H. Hata | 1996 | Journal of Materials Science1996，，2： | 1 |
| 13 | Thermal expansion of aluminium borate显示文摘 | H. Wada K. Sakane T. Kitamura M. Sunai N. Sasaki | 1993 | Journal of Materials Science Letters1993，，22： | 1 |
| 14 | Synthesis of aluminium borate whiskers in potassium sulphate flux显示文摘 | H. Wada K. Sakane T. Kitamura H. Hata H. Kambara | 1991 | Journal of Materials Science Letters1991，，18： | 1 |
| 15 | Extracorporeal shock wave therapy improves motor dysfunction and pain originating from knee osteoarthritis in rats显示文摘 | N. Ochiai S. Ohtori T. Sasho K. Nakagawa K. Takahashi N. Takahashi R. Murata K. Takahashi H. Moriya Y. Wada T. Saisu | 2007 | Osteoarthritis and Cartilage2007，，9： | 1 |
| 16 | Early detection of relapse and evaluation of treatment for mixed chimerism using fluorescence in situ hybridization following allogeneic hematopoietic cell transplant for hematological malignancies显示文摘 | S. Tamura K. Saheki H. Takatsuka H. Wada Y. Fujimori T. Okamoto Y. Takemoto T. Hashimoto-Tamaoki J. Furuyama E. Kakishita | 2000 | Annals of Hematology2000，，11： | 1 |
| 17 | Distribution of greenhouse gases, nitrite, and δ13C of dissolved inorganic carbon in Lake Biwa: Implications for hypolimnetic metabolism显示文摘 | TOSHIHIRO MIYAJIMA YOSHIHIRO YAMADA EITARO WADA TAKUO NAKAJIMA TADATOSHI KOITABASHI YUKO T. HANBA KOICHI YOSHII | 1997 | Biogeochemistry1997，，2： | 1 |
| 18 | Laparoscopy-assisted right hepatic lobectomy using a wall-lifting procedure显示文摘 | D. Eguchi T. Nishizaki M. Ohta Y. Ishizaki N. Hanaki K. Okita T. Ohga I. Takahashi Y. Ojima H. Wada S. Tsutsui | 2006 | Surgical Endoscopy2006，，8： | 1 |
| 19 | Growth of RE:LuVO 4 (RE=Nd, Tm, Yb) single crystals by the floating zone method and their spectroscopic properties显示文摘 | M. Higuchi T. Shimizu J. Takahashi T. Ogawa Y. Urata T. Miura S. Wada H. Machida | 2005 | Journal of Crystal Growth2005，，1： | 1 |
| 20 | Implementation of a hospital-wide project for appropriate antimicrobial prophylaxis显示文摘 | Y. Takahashi Y. Takesue K. Nakajima K. Ichiki Y. Wada T. Tsuchida M. Ishihara H. Ikeuchi M. Uchino | 2010 | Journal of Infection and Chemotherapy2010，，6： | 1 |
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