Liquid flow in impeller region of an unbaffled agitated vessel with unsteadily forward-reverse rotating impeller

Chemical Engineering Communications

Volumn 194, Issue 9, 2007, Pages 1229-1240

  Yoshida, Masanori ^a   Shigeyama, Masahiro ^a   Hiura, Tomoko ^a   Yamagiwa, Kazuaki ^a   Ohkawa, Akira ^a   Tezura, Shuichi ^b  

^a NIIGATA UNIVERSITY   (Japan)

^b Shimazaki Mixing Equipment Co Ltd   (Japan)

Author keywords

Impeller region; Liquid flow velocity; Unbaffled agitated vessel; Unsteadily rotating impeller

Indexed keywords

ACCELERATION; DECELERATION; RADIAL FLOW; ROTATIONAL FLOW; TURBINES; UNSTEADY FLOW;

IMPELLER REGION; LIQUID FLOW VELOCITY; UNBAFFLED AGITATED VESSEL; UNSTEADY ROTATING IMPELLER;

IMPELLERS;

ACCELERATION; DECELERATION; IMPELLERS; RADIAL FLOW; ROTATIONAL FLOW; TURBINES; UNSTEADY FLOW;

EID: 34250620524     PISSN: 00986445     EISSN: 15635201     Source Type: Journal    
DOI: 10.1080/00986440701293983     Document Type: Article

References (14)

1. Ishiwata, R. and Ohashi, H. (1984) Fluid forces on a cylinder in oscillating flow, sinusoidal oscillation. Trans. Jpn. Soc. Mech. Eng. B, 50, pp. 265-272.
2. Kato, Y., Hiraoka, S., Ban, M., Tada, Y., Nagatsu, Y. and Yanagimoto, K. (2004) Proceedings of the 10th Asian Pacific Confederation of Chemical Engineering Congress, 17-21 October, Kitakyushu, Japan
3. Lamberto, D. J., Muzzio, F. J. and Swanson, P. D. (1996) Using time-dependent RPM to enhance mixing in stirred vessels. Chem. Eng. Sci., 51, pp. 733-741.
4. Mavros, P. (2001) Flow visualization in stirred vessels, a review of experimental techniques. Chem. Eng. Res. Des., 79, pp. 113-127.
5. Mochizuki, M. and Takashima, I. (1982) The flow around turbine type impellers. Kagaku Kogaku Ronbunshu, 8, pp. 487-493.
6. Nomura, T., Uchida, T. and Takahashi, K. (1997) Enhancement of mixing by unsteady agitation of an impeller in an agitated vessel. J. Chem. Eng. Jpn., 30, pp. 875-879.
7. Ogawa, K., Kuroda, C. and Mizumori, H. (1996) Effects of unsteady agitation by reversing revolution of an impeller in an agitated vessel with aeration. Kagaku Kogaku Ronbunshu, 22, pp. 91-97.
8. Sachs, J. P. and Rushton, J. H. (1954) Discharge flow from turbine-type mixing impeller. Chem. Eng. Prog., 50, pp. 597-603.
9. Tanguy, P. A., Thibault, F., Dubois, C. and Ait-Kadi, A. (1999) Mixing hydrodynamics in a double planetary mixer. Chem. Eng. Res. Des., 77, pp. 318-324.
10. Uemura, T., Yamamoto, F. and Sachikawa, M. (1990) High-speed image analysis algorithm for particle tracking velocimetry. Trans. Vis. Soc. Jpn., 10, pp. 196-202.
11. Williamson, C. H. K. (1985) Sinusoidal flow relative to circular cylinders. J. Fluid Mech., 155, pp. 141-174.
12. Yao, W. G., Sato, H., Takahashi, K. and Koyama, K. (1998) Mixing performance experiments in impeller stirred tanks subjected to unsteady rotational speeds. Chem. Eng. Sci., 53, pp. 3031-3040.
13. Yianneskis, M., Popiolek, Z. and Whitelaw, J. H. (1987) An experimental study of the steady and unsteady flow characteristics of stirred reactors. J. Fluid Mech., 175, pp. 537-555.
14. Yoshida, M., Ito, A., Yamagiwa, K., Ohkawa, A., Abe, M., Tezura, S. and Shimazaki, M. (2001) Power characteristics of unsteadily forward-reverse rotating impellers in an unbaffled aerated agitated vessel. J. Chem. Technol. Biotechnol., 76, pp. 383-392.