Flow and heat transfer characteristics of a helically coiled heat exchanger using different turbulence models

Wei-Cheng Lin; Yuh-Ming Ferng; Ching-Chang Chieng

doi:10.1615/ICHMT.2012.ProcSevIntSympTurbHeatTransfPal.2390

Flow and heat transfer characteristics of a helically coiled heat exchanger using different turbulence models

Wei-Cheng Lin, Yuh-Ming Ferng Ching-Chang Chieng

THMT, International Symposium Turbulence, Heat and Mass Transfer, 7, pp.1-12

WTI-Frankfurt-digital GmbH

01/01/2012

: https://doi.org/10.1615/ICHMT.2012.ProcSevIntSympTurbHeatTransfPal.2390

CFD-Simulation

experimentelle Daten

Helium

Hochtemperatur

Hochtemperaturreaktion

Hochtemperaturreaktor

Rohrwendel

Turbulenzmodell

Wasserströmung

Wärmeaustauscher

Wärmetransfer

Wärmeübergangszahl

This study investigates the thermal-hydraulic characteristics of helically coiled tube heat exchangers in high temperature gas reactors. In a heat exchanger, the high-temperature helium and low-temperature water flow through the shell side and the coiled tube, respectively. Three turbulence models are adopted in simulations: Realizable - , low-Reynolds - and Reynolds stress. Existing experimental data on the Nusselt (Nu) number validate the present CFD simulations using these turbulence models.

: Flow and heat transfer characteristics of a helically coiled heat exchanger using different turbulence models
: Wei-Cheng Lin
Yuh-Ming Ferng
Ching-Chang Chieng
: WTI-Frankfurt-digital GmbH
: Conference paper
: 01/01/2012
: THMT, International Symposium Turbulence, Heat and Mass Transfer, 7, pp.1-12
: English