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Heat Pipe Science and Technology, An International Journal

ISSN Print: 2151-7975
ISSN Online: 2151-7991

Archives: Volume 1, 2010 to Volume 8, 2017

Heat Pipe Science and Technology, An International Journal

DOI: 10.1615/HeatPipeScieTech.v2.i1-4.80
pages 69-78

EXPERIMENTAL STUDY OF THE EFFECTS OF VIBRATION AND HORIZONTAL ANGLE ON THE DYNAMICS OF STARTUP AND TRANSIENT REGIMES OF THE HEAT PIPE

V. I. Lutsenko
Department of Mechanics of Machines and Processes of Processing Mineral Raw Materials, The Polyakov Institute of Geotechnical Mechanics, of National Academy of Science of Ukraine, Simferopolskaya, 2, Dnipropetrovsk, 49005, Ukraine
V. I. Eliseyev
Department of Mechanics of Machines and Processes of Processing Mineral Raw Materials, The Polyakov Institute of Geotechnical Mechanics, of National Academy of Science of Ukraine, Simferopolskaya, 2, Dnipropetrovsk, 49005, Ukraine

ABSTRACT

Heat pipes with metal-fibrous capillary structure were studied. The studied frequency range was 10−4000 Hz, the vibration level from 0 to 100 m/s°. Free rotation of the pipe at any angle with respect to the horizontal was provided. Ten thermocouples on the outer surface of the pipe in the heating zone, and three thermocouples on the outer surface of the cooling zone were established. Portholes of glass at the ends of the heat pipe were made. The data of the start-up of the heat pipe are provided. The effect of vibration and tilt angles of the heat pipe on its parameters are shown. It was determined that the slope of the heat pipe α = +30° is optimal. Vibration increases the temperature gradient. It was established that the dynamic properties of the cooling system with heat pipe are determined by external boundary conditions. Heat pipe responds quickly to changes in external boundary conditions, and its thermal resistance varies widely.