Shaptala M. Development of power-saving modes of heating the complex configuration products made of composites taking into consideration internally distributed power sources.

Thesis for achieving the Technics Candidate Degree as per major 05.14.06: Engineering Thermal Physics and Industrial Heat-Power Engineering. - National Metallurgical Academy of Ukraine - Dnipropetrovsk, 2011. The thesis is devoted to developing of power-saving thermal mode of producing the complex configuration products made of composites due to improvement of existing calculation methods. The main purpose defined when designing the production modes of complex configuration products made of composites is as follows: high quality product at the lowest power consumption. An improved mathematical model of the production of complex configuration products made of composites was developed in this work. This model differs from the existing ones by complex considering of the following peculiarities: complex multilayer 3D construction of the products; availability of internally distributed power sources due to chemical reaction of vulcanization; availability of metal cord in the product parts; the temperature dependence of thermal physical properties of materials; thermal and chemical processes during the final cooling the products on the air. The above-mentioned model has been used to develop scientific and methodological bases of calculation of power-saving heat modes of vulcanization of multilayer rubber-cord products of complex configuration. The software Vulcan3D in programming language C++ has been designed on the basis of the developed method. Executed calculations of thermal modes of vulcanization for various types of tires showed that newly developed method allows reducing power consumption by 3-15%, depending on the product design. The developed method has been implemented when designing the modes of vulcanization of pneumatic and non-pneumatic tires of Opened JSC “Dniproshina” and Opened JSC Science and Research Company “ELKO”.