Nayak, Bibhuti Bhusan and Chatterjee, Dipankar (2019) Assessment of Mixture and Eulerian Multiphase Models in Predicting the Thermo-Fluidic Transport Characteristics for Fly Ash-Water Slurry Flow in Straight Horizontal Pipeline. Heat Transfer Engineering, 40 (8). pp. 679-692.

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Abstract

The thermo-fluidic transport characteristics of the fly ash–water slurry flow in a straight horizontal pipe are predicted by deploying two different multiphase modeling strategies, viz. the mixture and the Eulerian multiphase models. Comparisons between the two model predictions in terms of the pressure drop and heat transfer coefficient are done along with the comparisons between the single (water) and the two phase system (slurry). Spherical fly ash particles, with diameter of 13 µm for an average inflow velocity ranging from 1 to 5 m/s and particle concentrations within 0–40% by volume for each velocity are considered as the dispersed phase carried by the carrier phase water. Significant differences between the two model predictions can be observed both from the qualitative and quantitative perspectives. This finally leads to the appropriate choice of the multiphase model for predicting the thermo-fluidic transport characteristics in slurry flow.

Item Type:	Article
Subjects:	Heat transfer
Depositing User:	Dr. Arup Kr. Nandi
Date Deposited:	05 Nov 2020 11:15
Last Modified:	05 Nov 2020 11:15
URI:	http://cmeri.csircentral.net/id/eprint/610

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