Heat Transfer of a High-Temperature Surface by a Dispersed Coolant Flow

The authors have upgraded an experimental stand that simulates energy-loaded elements of thermonuclear installations. This indicates a significant increase in the efficiency of the work area. In the measurements of the heat exchange of a high-temperature surface with a dispersed flow of released water, the values of exceeding the heat flow level of 7.1 MW/m2 were measured, with a heat transfer coefficient of 151 kW/(m
²
×K). The excess pressure of the coolant at the inlet to the nozzle is (1.5–3.5) × 10
⁵
Pa), the mass flow rate of the coolant (distilled water) is (4.0–6.0) × 10
^–3
kg/s, the irrigation density was changed within (4.2–6.2) kg/(m
²
×s). These values of thermophysical quantities correspond to the values applicable to modern experimental thermonuclear facilities. For the calculated thermophysical values, graphic dependences were obtained for the entire time. Comparison with similar results of other authors is made.