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Готові списки джерел за темами / Centrifugal blower / Статті в журналах

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Статті в журналах з теми "Centrifugal blower"

Автор: Grafiati

Опубліковано: 30 травня 2022

Оновлено: 31 травня 2022

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1

Ammed, Sohail. "Low noise centrifugal blower." Journal of the Acoustical Society of America 100, no. 1 (1996): 27. http://dx.doi.org/10.1121/1.415904.

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2

Aslamova, V. S., O. A. Troshkin, and A. N. Sherstyuk. "Centrifugal blower-dust collector." Chemical and Petroleum Engineering 23, no. 4 (April 1987): 187–89. http://dx.doi.org/10.1007/bf01149343.

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3

Peng, Li Xia. "On the Design Method of Noise Reduction of Centrifugal Fan." Advanced Materials Research 487 (March 2012): 520–24. http://dx.doi.org/10.4028/www.scientific.net/amr.487.520.

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Анотація:

The application of centrifugal fan is wide, but the huge noise can pollute the environment. This paper will discuss the mechanism of centrifugal blower noise generation, and put forward noise reduction method in designing centrifugal blower creatively, thus can solve the problems effectively.

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4

Abdel-Hamid, A. N. "Dynamic Response of a Centrifugal Blower to Periodic Flow Fluctuations." Journal of Engineering for Gas Turbines and Power 108, no. 1 (January 1, 1986): 77–82. http://dx.doi.org/10.1115/1.3239888.

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Анотація:

Experimental investigation of the dynamic response of a centrifugal blower to periodic flow rate modulations was carried out at different blower operating conditions. For modulation frequencies in the range of 0.0085–0.085 of the shaft rotation frequency, the fluctuating pressures at inlet, discharge, and across a flow orifice were simultaneously measured and analyzed in the time and frequency domains. Measurements of the amplitude and phase of the transfer function between the blower static pressure rise and the discharge flow rate fluctuations indicated that the quasi-steady approximation should be limited to frequencies lower than 0.02 of the shaft rotation frequency. For the same average flow rate, the static pressure rise progressively lagged the discharge flow rate fluctuations as the frequency was increased. The trend was similar to that of the inertia effects of a fluctuating flow in a pipe. For the same frequency these inertia effects increased as the average flow rate through the blower was decreased. Applications of the results to on-line measurements of the slope of the characteristic curve and improved dynamic modeling of centrifugal compressors and blowers are discussed.

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5

Sun, Pan, Xiaoliang Wang, and Weicheng Xie. "Centrifugal Blower of Stratospheric Airship." IEEE Access 6 (2018): 10520–29. http://dx.doi.org/10.1109/access.2018.2809707.

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6

Prezelj, J., and M. Čudina. "Quantification of aerodynamically induced noise and vibration-induced noise in a suction unit." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 225, no. 3 (February 7, 2011): 617–24. http://dx.doi.org/10.1243/09544062jmes2187.

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Анотація:

Noise, generated by a centrifugal blower, can be divided according to its origin, into aerodynamically induced noise and vibration-induced noise. The contribution of the individual noise source to the total emitted noise is hard to determine, but it is crucial for the design of noise reduction measures. In order to reduce the noise of the centrifugal blower in a broad range of operating conditions, an identification of noise sources needs to be performed. An analysis of the most important noise origin in a centrifugal blower presented in this article was performed by measurements of the transfer function between noise and vibration, under different types of excitation. From the analyses one can conclude that the dominant noise source of a centrifugal blower can be attributed to the aerodynamically generated noise which exceeds the vibration-induced noise for more than 10 dB in a broad frequency range.

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7

Chen, Jian Dong, and Bei Bei Sun. "Optimization of Low-Noise and Large Air Volume Blower Based on Load Characteristic." Key Engineering Materials 656-657 (July 2015): 700–705. http://dx.doi.org/10.4028/www.scientific.net/kem.656-657.700.

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The blower is a kind of garden machinery, which blows strong wind to clean up leaves by a centrifugal fan, but it causes a loud aerodynamic noise. To compromise the contradiction between large air flow rate and low fan noise, some optimizations are proposed to reduce fan noise without lowering its air volume. In this paper, a CFD numerical model to compute airflow field of blower is established, where the centrifugal fan is simulated by the MRF model, and theturbulent model is selected. By smoothing the transition section, improving the volute tongue and optimizing the shape and optimizing number of fan blade, the blower work performance is increased obviously. In order to find out the actual working point, both the fan and motor load characteristic curves are drawn out. The simulation results show that, at the actual working point, the speed of the centrifugal fan is reduced, while the flow rate of blower is raised up. The optimizations are applied to the blower, and the experiment of the improved blower shows the flow rate is increased 5%, and the noise is reduced 2dB.

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8

Kim, Jae-Won. "Centrifugal Blower with High Inlet Resistance." Journal of Fluid Machinery 6, no. 2 (June 1, 2003): 15–22. http://dx.doi.org/10.5293/kfma.2003.6.2.015.

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9

CHENGQIAN, DONG, and Hiroshi SUGIYAMA. "Noise sources for turbofan centrifugal blower." Proceedings of Conference of Kansai Branch 2020.95 (2020): P_049. http://dx.doi.org/10.1299/jsmekansai.2020.95.p_049.

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10

Gherman, B., M. Gall, V. A. Popa, and V.-A. Sterie. "IGV position optimization for centrifugal blower." IOP Conference Series: Materials Science and Engineering 400 (September 18, 2018): 042025. http://dx.doi.org/10.1088/1757-899x/400/4/042025.

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11

FUNAZAKI, Ken-ichi, Hiromasa KATO, and Takeshi HONDA. "Unsteady Flow analysis of Centrifugal Blower." Proceedings of the Fluids engineering conference 2016 (2016): 0917. http://dx.doi.org/10.1299/jsmefed.2016.0917.

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12

Hu, Zhi Xin, Yun Bin Ma, Shuai Huan, and Yu Chun Zhen. "Research on Fiber Bragg Grating Sensor Monitoring Method for Dynamical Stress of Centrifugal Blower Vane." Advanced Materials Research 383-390 (November 2011): 5222–26. http://dx.doi.org/10.4028/www.scientific.net/amr.383-390.5222.

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Анотація:

Monitoring method for dynamical stress of centrifugal blower vane based on Fiber Bragg Grating (FBG) sensing technique is presented in this paper. Consisting of FBG sensors, FBG interrogator and fiber optic rotary joint, this monitoring system has bare FBG as strain sensor, monitors stresses at the inlet and outlet of the centrifugal blower. Details about stick up method of FBG sensors are shown in this paper, either. In addition, this method has been applied to experimental model of centrifugal blower, and it was found that: stress at the outlet of the air vane is more than that at the inlet; within the working range, stress of air vane increases in company with increment of rotating speed, though it is not linear relation between them.

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13

Banks, Christopher L., and Sean F. Wu. "Prediction and reduction of centrifugal blower noises." Journal of the Acoustical Society of America 103, no. 5 (May 1998): 3045. http://dx.doi.org/10.1121/1.422620.

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14

FUKUTOMI, Junichiro, Akiyoshi ITABASHI, and Yasutoshi SENOO. "Pressure Recovery in a Centrifugal Blower Casing." JSME International Journal Series B 49, no. 1 (2006): 125–30. http://dx.doi.org/10.1299/jsmeb.49.125.

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15

Baloni, Beena Devendra, Salim Abbasbhai Channiwala, and Sugnanam Naga Ramannath Harsha. "Design, Development and Analysis of Centrifugal Blower." Journal of The Institution of Engineers (India): Series C 99, no. 3 (May 9, 2017): 277–84. http://dx.doi.org/10.1007/s40032-017-0356-z.

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16

Pshik, V. R. "Pressure gradient regulator for centrifugal blower seals." Chemical and Petroleum Engineering 26, no. 4 (April 1990): 198–200. http://dx.doi.org/10.1007/bf01147900.

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17

Wu, Sean. "On sound generation mechanism by a centrifugal blower." Journal of the Acoustical Society of America 111, no. 5 (2002): 2424. http://dx.doi.org/10.1121/1.4778289.

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18

Baloni, Beena D., Yogesh Pathak, and S. A. Channiwala. "Centrifugal blower volute optimization based on Taguchi method." Computers & Fluids 112 (May 2015): 72–78. http://dx.doi.org/10.1016/j.compfluid.2015.02.007.

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19

Hiradate, Kiyotaka, Toshio Kanno, Hideo Nishida, Yasushi Shinkawa, and Satoshi Joukou. "Improvement in Efficiency and Operating Range of Centrifugal Blower Stage for Sewage Aeration Blower." International Journal of Fluid Machinery and Systems 3, no. 4 (December 31, 2010): 379–85. http://dx.doi.org/10.5293/ijfms.2010.3.4.379.

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20

Arnulfi, G. L., D. Micheli, and P. Pinamonti. "Velocity Measurements Downstream of the Impellers in a Multistage Centrifugal Blower." Journal of Turbomachinery 117, no. 4 (October 1, 1995): 593–601. http://dx.doi.org/10.1115/1.2836573.

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Анотація:

The paper presents the results of an experimental investigation on a four-stage centrifugal blower, having the aim of obtaining an accurate description of the flow field behind the impellers in several operative conditions and for different geometric configurations. Actually, the test plant allows one to change the turbomachinery characteristics assembling one, two, three, or four stages and three different types of diffuser. In this first research step, the blower has been tested in the four-stage vaneless diffuser configuration. The unsteady flow field behind the impellers and in the diffusers has been measured by means of a hot-wire anemometer. A phase-locked ensemble-averaging technique has been utilized to obtain the relative flow field from the instantaneous signals of the stationary hot-wire probes. Several detailed measurement sets have been performed using both single and crossed hot-wire probes, to obtain the velocity vectors and turbulence trends, just behind the blower impellers and in several radial positions of the vaneless diffusers. These measurements have been done at different flow rate conditions, covering unsteady flow rate phenomena (rotating stall) also. The results obtained allowed us to get a detailed flow field analysis in the multistage centrifugal blower, in relation to the geometric configuration and to the differing operating conditions.

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21

AOKI, Katsumi, and Yasuki NAKAYAMA. "Effect of Tongue Shape for Characteristics of Centrifugal Blower." Journal of the Visualization Society of Japan 17, Supplement2 (1997): 125–28. http://dx.doi.org/10.3154/jvs.17.supplement2_125.

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22

Jeong, Tae-Sik, Xin Cheng Tu, Sung-Jun Kim, Hwan-Young Jang, Jin-Kwang Kim, and Hyoung-Bum Kim. "Quantitative Visualization of Inlet Flow of the Centrifugal Blower." Journal of the Korean Society of Visualization 11, no. 2 (September 30, 2013): 27–33. http://dx.doi.org/10.5407/jksv.2013.11.2.029.

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23

Tu, Xin Cheng, Sung-Jun Kim, Seung Ha Park, and Hyoung-Bum Kim. "Quantitative Visualization of Outlet Flow of the Centrifugal Blower." Journal of the Korean Society of Visualization 12, no. 1 (April 30, 2014): 25–29. http://dx.doi.org/10.5407/jksv.2014.12.1.025.

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24

HAN Bang-cheng, 韩邦成, 王凯 WANG Kai, 郑世强 ZHENG Shi-qiang, and 张寅 ZHANG Yin. "Surge detection of magnetically suspended high-speed centrifugal blower." Optics and Precision Engineering 25, no. 4 (2017): 910–18. http://dx.doi.org/10.3788/ope.20172504.0910.

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25

HIKICHI, Masakazu, Yutaka OHTA, and Eisuke OUTA. "Active Control of Noise Source in a Centrifugal Blower." Proceedings of the JSME annual meeting 2000.4 (2000): 51–52. http://dx.doi.org/10.1299/jsmemecjo.2000.4.0_51.

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26

NAKAYAMA, Yasuki, Toru YAMAMOTO, Katsumi AOKI, and Hiroaki OHTA. "Measurement of relative velocity distribution in centrifugal blower impeller." Transactions of the Japan Society of Mechanical Engineers Series B 51, no. 461 (1985): 325–32. http://dx.doi.org/10.1299/kikaib.51.325.

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27

FUKUTOMI, Junichiro, Hironori HORIGUCHI, and Yuichi NAKATANI. "K-1104 Pressure Recovery in a Centrifugal Blower Casing." Proceedings of the JSME annual meeting II.01.1 (2001): 29–30. http://dx.doi.org/10.1299/jsmemecjo.ii.01.1.0_29.

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28

NAKAYAMA, Yasuki, Toru YAMAMOTO, Katsumi AOKI, and Hiroaki OHTA. "Measurement of Relative Velocity Distribution in Centrifugal Blower Impeller." Bulletin of JSME 28, no. 243 (1985): 1978–85. http://dx.doi.org/10.1299/jsme1958.28.1978.

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29

Almas, Majid. "Numerical Modeling of Turbulent Flow Inside the Centrifugal Blower." Journal of Advances in Applied & Computational Mathematics 3, no. 1 (September 22, 2016): 54–57. http://dx.doi.org/10.15377/2409-5761.2016.03.01.8.

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30

Srinath, Y. "Modeling & Analysis of Centrifugal Blower using Composite Material." IOSR Journal of Mechanical and Civil Engineering 9, no. 6 (2013): 17–25. http://dx.doi.org/10.9790/1684-0961725.

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31

Kulkarni, Prof (Dr) M. L., Shubham Goyal, Dhaivat Acharya, Deep Khant, and SK Azharuddin. "Design of a Centrifugal Blower Adopting Reverse Engineering Approach." IOSR Journal of Mechanical and Civil Engineering 11, no. 2 (2014): 28–33. http://dx.doi.org/10.9790/1684-11262833.

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32

NISHIZAWA, Kohei, Toru SHIGEMITSU, and Junichiro FUKUTOMI. "412 The Flow Conditions in a Centrifugal Blower Casing." Proceedings of Conference of Chugoku-Shikoku Branch 2007.45 (2007): 137–38. http://dx.doi.org/10.1299/jsmecs.2007.45.137.

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33

Tsugita, D., C. K. P. Kowshik, and Y. Ohta. "Visualization of rotating vortex in a centrifugal blower impeller." Journal of Visualization 15, no. 3 (February 2, 2012): 207–14. http://dx.doi.org/10.1007/s12650-012-0124-3.

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34

Hiradate, Kiyotaka, Toshio Kannno, Hideo Nishida, Yasushi Shinkawa, and Satoshi jyoukou. "1210 Improvement in Efficiency and Operating Range of Centrifugal Blower Stage for Sewage Aeration Blower." Proceedings of the Fluids engineering conference 2010 (2010): 345–46. http://dx.doi.org/10.1299/jsmefed.2010.345.

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35

Kryłłowicz, Władysław, Michał Kuczkowski, and Krzysztof Sobczak. "Design and Experimental and Numerical Verifications of the Recirculating Blower for Long-Term Tests of Turbine Flowmeters." Archive of Mechanical Engineering 61, no. 1 (March 1, 2014): 75–88. http://dx.doi.org/10.2478/meceng-2014-0004.

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Анотація:

Abstract A design of the centrifugal recirculation blower as well as results of its experimental and numerical investigations are presented in this paper. The blower was designed to work in the unique test stand which is used for long-term tests of turbine flowmeters. A 1D method was used to design this blower, then experimental and numerical studies were conducted in order to verify the 1D method. A comparison of the blower pressure increase obtained from the experiment and the computations is presented. Velocity and pressure distributions from the numerical simulations in selected sections are also shown and discussed. Additional numerical studies of a shrouded rotor and a rotor with a lower tip clearance were conducted and are presented in the paper as well.

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36

Akanova, G., A. Sadkowski, S. Podbolotov, A. Kolga, and I. Stolpovskikh. "Ways to reduce hydraulic losses in multistage centrifugal pumping equipment for mining and oil-producing industries." Naukovyi Visnyk Natsionalnoho Hirnychoho Universytetu, no. 6 (2021): 77–84. http://dx.doi.org/10.33271/nvngu/2021-6/077.

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Purpose. To study hydraulic losses in pumping units during pumping and transportation of liquids, to develop the design and technology solutions to improve the energy efficiency of centrifugal pumps in the mining and oil-producing industries. Methodology. In the theoretical and experimental analysis of hydraulic losses during the transportation of liquids, the hydraulics and experimental analysis methods were used. Findings. As a result of the research carried out, a new design scheme of a multistage centrifugal pump has been developed, providing a coaxial arrangement of impellers, which allows reducing hydraulic losses in pump elements and increasing the energy efficiency of pumping units. Originality. Based on the analysis of existing designs of multistage blowers of axial and centrifugal types, the distribution of hydraulic losses in the elements of a centrifugal blower with coaxial impellers is considered. Experimental dependences on the establishment of pressure flow and power characteristics are presented. Based on the accounting of hydraulic losses, the energy efficiency of the design of the pumping unit with the coaxial arrangement of the impellers was assessed. Practical value. The new design of a centrifugal pump with coaxial impellers reduces hydraulic losses by more than 23% compared to traditional designs of centrifugal pumps. The results of the work can be used by design, research, and industrial organizations engaged in the design and operation of pumping equipment.

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37

Ohta, Y., E. Outa, and K. Tajima. "Evaluation and Prediction of Blade-Passing Frequency Noise Generated by a Centrifugal Blower." Journal of Turbomachinery 118, no. 3 (July 1, 1996): 597–605. http://dx.doi.org/10.1115/1.2836707.

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The blade-passing frequency noise, abbreviated to BPF noise, of a low-specific-speed centrifugal blower is analyzed by separating the frequency response of the transmission passage and the intensity of the noise source. Frequency response has previously been evaluated by the authors using a one-dimensional linear wave model, and the results have agreed well with the experimental response in a practical range of the blower speed. In the present study, the intensity of the noise source is estimated by introducing the quasi-steady model of the blade wake impingement on the scroll surface. The effective location of the noise source is determined by analyzing the cross-correlation between measured data of the blower suction noise and pressure fluctuation on the scroll surface. Then, the surface density distribution of a dipole noise source is determined from pressure fluctuation expressed in terms of quasi-steady dynamic pressure of the traveling blade wake. Finally, the free-field noise level is predicted by integrating the density spectrum of the noise source over the effective source area. The sound pressure level of the blower suction noise is easily predicted by multiplying the free-field noise level by the frequency-response characteristics of the noise transmission passage.

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38

Guan, Xudong, Jin Zhou, Chaowu Jin, Haitong Wu, and Yingzhe Lin. "Adaptive surge detection of magnetic suspension centrifugal blower based on rotor radial displacement signal and SOGI-FLL with prefilter." Measurement Science and Technology 33, no. 6 (March 18, 2022): 065304. http://dx.doi.org/10.1088/1361-6501/ac5a9a.

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Abstract For the surge detection problem of high-speed magnetic suspension centrifugal blower, a second order generalized integral-frequency locked loop with prefilter (SOGI-FLL-WPF) is used for surge detection. This method is utilized to normalize the amplitude and frequency of the surge signal by using the rotor radial displacement signal in the magnetic suspension blower. So that the response speed of detecting surge signal is not affected by the frequency and amplitude, and the frequency of the blower surge vibration signal is tracked adaptively. As a result, the fast response ability of the surge signal detection is improved. Specifically, firstly, the rotor radial displacement signal is collected in real time. And then, the rotor speed is identified by SOGI-FLL, and the identified speed information is input to SOGI for notch. Finally, the surge detection is carried out by SOGI-FLL-WPF for the signal after notch. The 105 kW magnetic suspension centrifugal blower is applied for the surge detection experiment. The experimental results show that the surge detection method based on rotor radial displacement signal and SOGI-FLL-WPF can detect the surge signal immediately after its occurrence. The proposed detection method needs no additional detection unit, and has the advantages of simple algorithm, fast response speed and small amount of calculation. In addition, it can effectively reflect the change of frequency in the process of surge.

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39

TAKAGI, Yasuyuki, Katsumi AOKI, and Yasuki NAKAYAMA. "The study on the Flow in a Centrifugal Blower Impeller." JOURNAL OF THE FLOW VISUALIZATION SOCIETY OF JAPAN 7, Supplement (1987): 115–18. http://dx.doi.org/10.3154/jvs1981.7.supplement_115.

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40

Lee, Jongsung, and Choonman Jang. "Evaluation of Numerical Models for Analysing an Industrial Centrifugal Blower." Transactions of the Korean hydrogen and new energy society 23, no. 6 (December 30, 2012): 688–95. http://dx.doi.org/10.7316/khnes.2012.23.6.688.

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41

Su, Shigong, Sean F. Wu, and Morris Y. Hsi. "Sound radiation from a centrifugal blower in a free field." Journal of the Acoustical Society of America 99, no. 4 (April 1996): 2509–29. http://dx.doi.org/10.1121/1.415846.

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42

NAKANISHI, Kouki, Yutaka KURITA, Yasunori OURA, Takashi TANAKA, Tomohiro MATSUOKA, Masahiko UEDA, and Yusuke IMAZATO. "Search for Turbulent Noise Source in a Centrifugal Turbo-Blower." Proceedings of Conference of Kansai Branch 2017.92 (2017): P031. http://dx.doi.org/10.1299/jsmekansai.2017.92.p031.

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43

Prezelj, Jurij, and Mirko Čudina. "Identification of noise sources in centrifugal blower with acoustic camera." Journal of the Acoustical Society of America 123, no. 5 (May 2008): 3824. http://dx.doi.org/10.1121/1.2935586.

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44

KOBAYASHI, Yuta, Yutaka OHTA, and Eisuke OUTA. "1739 Characteristics of BPF Noise Source in a Centrifugal Blower." Proceedings of the JSME annual meeting 2007.2 (2007): 385–86. http://dx.doi.org/10.1299/jsmemecjo.2007.2.0_385.

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45

Lee, Young-Tae, and Hee-Chang Lim. "Performance assessment of various fan ribs inside a centrifugal blower." Energy 94 (January 2016): 609–22. http://dx.doi.org/10.1016/j.energy.2015.11.007.

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46

Wang, Zhao Kui, Shu Qin Liu, Hong Wei Li, and Bin Bian. "Design of High-Speed Magnetic Centrifugal Blower Impeller and Numerical Simulation of Internal Flow Field." Applied Mechanics and Materials 150 (January 2012): 154–59. http://dx.doi.org/10.4028/www.scientific.net/amm.150.154.

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Currently, most domestic blower speed is still in 3000r/min level. The friction loss of mechanical bearings results in their low efficiency. To further improve the efficiency of the fan, a new high-speed maglev centrifugal fan was developed specially. The design of impeller styles, structure and size are rational. 3D graphics of the impeller and volute were drawn by using solidworks software. Application of CFD flow analysis software and the SIMPLE algorithm described viscous flow field within the three-dimensional centrifugal fan. By comparing simulation data with calculated data, optimize the turbine design. The simulative results are basically consistent with the design data, which provides a theoretical basis for the design of a new high-speed magnetic levitation fans, improving the level of centrifugal fan design.

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47

Mitsuishi, Yasushi, Yoshiki Tada, Yoriaki Ando, and Kouji Matsunaga. "Flow Analysis of Low-frequency Noise in Air-Conditioner Centrifugal Blower." Journal of the Visualization Society of Japan 20, no. 2Supplement (2000): 105–8. http://dx.doi.org/10.3154/jvs.20.2supplement_105.

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48

D. Mohankumar et al.,, D. Mohankumar et al ,. "Modeling and Experimental Investigation on Centrifugal Blower by Computational Fluid Dynamics." International Journal of Mechanical and Production Engineering Research and Development 9, no. 3 (2019): 331–40. http://dx.doi.org/10.24247/ijmperdjun201936.

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49

ISHIDA, Masahiro, Taufan SURANA, Tsuyoshi SAKAGUCHI, Tetsuhiro FUKUNAGA, and Hironobu UEKI. "Effect of Inlet Recirculation on Inducer Stall in a Centrifugal Blower." Proceedings of Conference of Kyushu Branch 2003.56 (2003): 127–28. http://dx.doi.org/10.1299/jsmekyushu.2003.56.127.

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50

FUKUDA, Yasuyuki, Yusuke TAKEYAMA, and Yutaka OHTA. "Characteristics of rotating instability in a centrifugal blower with shrouded impeller." Transactions of the JSME (in Japanese) 80, no. 809 (2014): FE0007. http://dx.doi.org/10.1299/transjsme.2014fe0007.

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