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Вackground of the Heat Transfer Influence Utilization for Heat Losses by Current which Crosses Enclosure

Journal: REFRIGERATION ENGINEERING AND TECHNOLOGY (Vol.53, No. 3)

Publication Date:

Authors : ;

Page : 29-33

Keywords : Interaction; Heat Transition; System; Coolant-Moderator; Heat Exchange;

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Abstract

The systems of temperatures regulation on the surfaces of multi-layered enclosing structures (MES), providing the achievement of different and even opposite aims: а) maintenance of the predetermined temperature of MES internal surface, which is bounded by the normalization of losses at constant resistances to the heat transfer through the layers (closed); б) intensification of exchange by heat with space through MES surfaces, by the change of temperature of coolant-moderator during exploitation (movable) are well-known and used in the different processes. At the same time, the acting DBN recommends a replacement in calculating of heat transfer through the MOS for heat exchange in thermal envelope of buildings, that contradicts the postulates of the constancy and exclusivity of enclosed enclosure designs requiring the modernization of the regulatory and theoretical basis for their creation. The regulation of the characteristics of closed (a) and mobile (b) systems components, combined into a single evolutionary one based on the principles of superposition and distribution of their interaction results, ensures the manifestation of the exergic properties of the interaction of heat exchange and heat supplied during the transition, which are absent in systems for the interaction of which conditions are created. This ensures the formation of a new goal that is not achievable at a local operation of each of the interacting systems. The energy balance of the unification of these systems stimulates the evolution of the operational mode, creating an exergic system of closed and mobile flows interaction, achieving the goal of publication. The presented result proves the expediency of supplementing the current standards with instructions governing the elimination of energy release through the outer surfaces of enclosures.

Last modified: 2017-11-20 01:05:19