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Transient thermohydraulic modeling of two-phase fluid systems

Abstract : This paper presents a transient thermohydraulic modeling, initially developed for a capillary pumped loop in gravitational applications, but also possibly suitable for all kinds of two-phase fluid systems. Using finite volumes method, it is based on Navier-Stokes equations for transcribing fluid mechanical aspects. The main feature of this 1D-model is based on a network representation by analogy with electrical. This paper also proposes a parametric study of a counterflow condenser following the sensitivity to inlet mass flow rate and cold source temperature. The comparison between modeling results and experimental data highlights a good numerical evaluation of temperatures. Furthermore, the model is able to represent a pretty good dynamic evolution of hydraulic variables.
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Submitted on : Tuesday, March 27, 2018 - 4:51:06 PM
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Nicolas Blet, Nicolas Delalandre, Vincent Ayel, Yves Bertin, Cyril Romestant, et al.. Transient thermohydraulic modeling of two-phase fluid systems. Journal of Physics: Conference Series, 2012, 6th European Thermal Sciences Conference (Eurotherm 2012) 4–7 September 2012, Poitiers, France, 395 (Conference 1), pp.012177. ⟨10.1088/1742-6596/395/1/012177⟩. ⟨hal-01744863⟩



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