Earth’s Cryosphere, 2017, Vol. XXI, No. 3, p. 38-44

MAXIMUM AND MINIMUM CRITICAL THERMAL LOADS CONSTRAINING THE OPERATION OF THERMOSYPHONS WITH
HORIZONTAL EVAPORATOR TUBES (HET)

V.P. Melnikov1–3, G.V. Anikin1, A.A. Ishkov4, S.N. Plotnikov4, K.A. Spasennikova4

1 Tyumen State University, 6, Volodarskogo str., Tyumen, 625003, Russia; melnikov@ikz.ru
2 Tyumen Scientific Center, SB RAS, 86, Malygina str., Tyumen, 625026, Russia
3 Tyumen Industrial University, 38, Volodarskogo str., Tyumen, 625000, Russia
4 Earth Cryosphere Institute, SB RAS, P/O box 1230, Tyumen, 625000, Russia; anikin@ikz.ru, a.ishkov1988@yandex.ru, plotnikov59@yandex.ru, kspasennikova@gmail.ru

The operation of refrigeration systems based on natural convection (two-phase thermosyphons), with horizontal evaporator tubes (HET), is simulated using a previously obtained model. The modeling provides upper and lower constraints on thermal loads at which sustainable operation of the system breaks down. Parameters of the two-phase fluid flow in different system units are calculated at heat fluxes to the evaporator tubes corresponding to the minimum and maximum critical thermal loads. The critical loads are estimated for different system configurations.

Heat and mass transfer, thermosyphon, horizontal evaporator tubes, simulation

DOI: 10.21782/EC2541-9994-2017-3(38-44)