Static, or motionless, mixers are widely used in applications that involve chemical reactions, heat transfer, blending of fluids, or a combination of these. Within those applications, mixing can affect various parameters such as heat or mass transfer rates, process operating time, cost, safety, and product quality. Therefore, it is crucial to assess the performance of static mixers. In general, their performance is evaluated based on their ability to carry out mixing while minimizing energy loss. To accomplish this, a novel mixing parameter, the M number, is proposed and evaluated. The M number is a unitless parameter that describes the effects of the mixer using entropy change and pressure drop. The parameter is compared to another method of mixing evaluation that relies on Covariance (CoV) change across the mixer. Computational Fluid Dynamics (CFD) is executed using both methods to evaluate two static mixers and compare the results of each method. Potential applications for the M number are discussed and its limitations are noted.
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ASME 2018 Power Conference collocated with the ASME 2018 12th International Conference on Energy Sustainability and the ASME 2018 Nuclear Forum
June 24–28, 2018
Lake Buena Vista, Florida, USA
Conference Sponsors:
- Power Division
- Advanced Energy Systems Division
- Solar Energy Division
- Nuclear Engineering Division
ISBN:
978-0-7918-5140-1
PROCEEDINGS PAPER
A Novel Parameter for the Evaluation of Static Mixers Available to Purchase
Morgan Thomas,
Morgan Thomas
Liberty University, Lynchburg, VA
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Thomas Eldredge,
Thomas Eldredge
Liberty University, Lynchburg, VA
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Hector Medina,
Hector Medina
Liberty University, Lynchburg, VA
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David Fazzina
David Fazzina
Liberty University, Lynchburg, VA
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Morgan Thomas
Liberty University, Lynchburg, VA
Thomas Eldredge
Liberty University, Lynchburg, VA
Hector Medina
Liberty University, Lynchburg, VA
David Fazzina
Liberty University, Lynchburg, VA
Paper No:
POWER2018-7510, V002T10A008; 8 pages
Published Online:
October 4, 2018
Citation
Thomas, M, Eldredge, T, Medina, H, & Fazzina, D. "A Novel Parameter for the Evaluation of Static Mixers." Proceedings of the ASME 2018 Power Conference collocated with the ASME 2018 12th International Conference on Energy Sustainability and the ASME 2018 Nuclear Forum. Volume 2: Heat Exchanger Technologies; Plant Performance; Thermal Hydraulics and Computational Fluid Dynamics; Water Management for Power Systems; Student Competition. Lake Buena Vista, Florida, USA. June 24–28, 2018. V002T10A008. ASME. https://doi.org/10.1115/POWER2018-7510
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