Experimental and numerical investigation on suppression of thermal stratification in a water-pool: PIV measurements and CFD simulations

• Published in: Applied thermal engineering Vol. 138; pp. 686 - 704
• Main Authors: Kumar, Sunil, Grover, R.B., Yadav, H., Vijayan, P.K., Kannan, U., Agrawal, A.
• Format: Journal Article
• Language: English
• Published: Oxford Elsevier Ltd 25.06.2018; Elsevier BV
• Subjects: Compartments; Computational fluid dynamics; Computational physics; Computer simulation; Fluid dynamics; Gravity Driven Water Pool (GDWP); Heat exchangers; Heat transfer; Numerical analysis; OpenFOAM; Particle Image Velocimetry; Passive Decay Heat Removal System (PDHRS); Shrouds; Thermal stratification; Velocity measurement; Water circulation; Water temperature; OpenFOAM; Passive Decay Heat Removal System (PDHRS); Thermal stratification; Shrouds; Gravity Driven Water Pool (GDWP); Particle Image Velocimetry

•Pool with immersed heat exchanger leads to thermal stratification.•Particle Image Velocimetry measurements used to study flow patterns.•Experiments simulated using CFD software OpenFOAM.•Shrouds arranged around heaters promote pool water circulation.•Shrouds suppress thermal stratification in a poo...