Methods of heat transfer intensification in heat transfer devices

The results of an experimental study of the operation of closed two-phase heat transfer devices filled with refrigerants R404A, R407C, R410A are presented. Experiments were carried out at angles of inclination of the devices (0º, 90º), which increases the scope of application of heat exchange elements in industry. The range of supplied heat fluxes was 20-128 W, the surface temperature of the device varied within + 18 ... + 63 ° С. The dependence of the thermal resistance of the thermosyphon on the supplied thermal load was established, and the results were analyzed.