Abstract
Abstract
This paper describes numerical simulations and experimental measurements of isothermal and non-isothermal flow of non-Newtonian fluids in the shell side of a multi-tube tubular heat exchanger. Some results for the turbulent isothermal flow of water are also presented. A single pass of a commercially available Tetra Spiraflo 7x16MT multi-tube heat exchanger has been instrumented to provide pressure drop and temperature data. Numerical predictions obtained with commercial software are generally in good agreement with measurements. The simulations are then used to determine more detailed features of the shell-side flow in this type of multi-tube heat exchanger. The work forms part of a project investigating the use of multi-tube heat exchangers in heat recovery mode for medium viscosity food products.
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