Abstract
Results are given of an experimental investigation of thermohydraulic processes occurring in a compact natural-circulation loop (heat pipe with a central circulation insert) at a low pressure of steam-water mixture, including low vacuum p top = 22–176 kPa. Consideration is given to axial heat transfer in nonboiling water under conditions of bubbling mode of loop operation; to superheating of water, which rises up the adiabatic region, relative to the saturation temperature; and to true void fraction and hydrodynamic stability of natural circulation.
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Original Russian Text © B.F. Balunov, A.A. Belov, V.A. Il’in, A.A. Shcheglov, E.N. Saikova, 2008, published in Teplofizika Vysokikh Temperatur, Vol. 46, No. 4, 2008, pp. 545–552.
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Balunov, B.F., Belov, A.A., Il’in, V.A. et al. Thermohydraulic processes in a heat pipe with a central circulation insert at low pressure. High Temp 46, 495–501 (2008). https://doi.org/10.1134/S0018151X08040081
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DOI: https://doi.org/10.1134/S0018151X08040081