Correlations for Multiphase Flows Equipment Discussion
In this informative panel discussion at NETL 2018 Houston, K. Nandakumar presents typical correlations for the estimation of design parameters in equipment involving multiphase flows. The discussion covers various scenarios such as pipe flow, bubble columns, stirred vessels, fluidized beds, microreactors, and more. Additionally, predictions of empirical correlations for fractional gas hold-up in bubble columns and the role of transport phenomena in Chemical Engineering teaching and research are highlighted. The use of the EPIC framework for innovation enabling process innovation through computation is also discussed, emphasizing the importance of accurate models in engineering. Explore the comprehensive insights shared in this event.
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Presentation Transcript
Equipment with Multiphase flows Courtesy of JBJ 1 Panel discussion at NETL 2018 Houston -Aug 2018 K. Nandakumar
Typical Correlations for the Estimation of Design Parameters courtesy of JBJ Pipe Flow Pipe Flow Nu = 0.83 1 3 0.023Re Pr Bubble Column Bubble Column ( ) ( ) 0.14 = 4 3 R 1 3 1 3 0.087 Pr Nu d g u u G G B L w ( ) Stirred Vessel Stirred Vessel D = B C Re Pr Nu A w ( ) Fluidized Bed (at wall) Fluidized Bed (at wall) 1 2 = + ' 1 3 0.18 2 RePr Nu f C D Fluidized Bed (between particle- Fluid) Fluid) Fluidized Bed (between particle- Nu = 1.6 P 0.67 0.015Re Pr Microreactor Microreactor Nu = 1.2 0.2 0.007Re Pr 2 Panel discussion at NETL 2018 Houston -Aug 2018 K. Nandakumar
FRACTIONAL GAS HOLD-UP IN BUBBLE COLUMNS PREDICTIONS OF EMPIRICAL CORRELATIONS Courtesy of JBJ ESTIMATED OVERALL GAS HOLD-UP, G (-) Akita and Yoshida (1973) Deckwer et al. (1974) Wang and Fan (1978) Nakanoh and Yoshida (1980) Hikita et al. (1981) Bucholz et al. (1983) Posarac and Tekic (1987) Suh et al. (1991) Sotelo et al. (1994) Dewes and Schumpe (1997) Kojima et al. (1997) Jordan et al. (2001) Bando et al. (2003) Lau et al. (2004) EXPERIMENTAL OVERALL GAS HOLD-UP, G (-) 3 Panel discussion at NETL 2018 Houston -Aug 2018 K. Nandakumar
Bird Stewart-Lightfoot Role of Transport Phenomena in ChE teaching & Research History of Chemical Engineering (1980) ACS. Human Health Energy EnvTec Sust Sust 4 Panel discussion at NETL 2018 Houston - Aug 2018 K. Nandakumar
EPIC framework for innovation Enabling Process Innovation through Computation All models are wrong, some models are useful! - George Box 5 Panel discussion at NETL 2018 Houston - Aug 2018 K. Nandakumar
