Calculating bending finned tubes heat transfer system
Proposal and implementation of a new methodology for calculating the bending finned tubes for heat exchange systems. Getting high-quality bends with minimum radius of bending pipes bimetallic and monometallic. The use of technology in the helical rolling.
System for billet continuous caster’s mould heat engineering parameters monitoring. Formation of the internal heat transfer surfaces. Calculation the indicators: average heat flux density, overall heat exchange coefficient. Effective gas gap thickness.
статья, добавлен 30.01.2016
The main objective is the operation of heating systems heat supply residential, public and industrial buildings and structures in order to provide municipal needs (heating, ventilation and hot water supply). Checking calculation of heat supply systems.
статья, добавлен 10.03.2019
The study of structural changes during hot deformation metal during controlled rolling. The influence of preheating temperature and deformation degree on the size and shape of austenite grains. The definition of the polygonal structure of the austenite.
статья, добавлен 30.01.2017
Strength is assumed - index for materials which can take standard, calculated values. Significant dependence between bending resistance, absolute size of structural elements. The structure of the wood fibers - factor which determine timber quality.
статья, добавлен 25.12.2016
Determination of the rolling parameters that allow obtaining a bimetallic ribbed bar. Familiarization with the shape and dimensions of the round ribbed finished pass and of the bimetallic flat oval band obtained in numerical modelling - cross-section.
доклад, добавлен 24.12.2014
Studies of Heat and Mass of drying in the process for the production of slag gravel. Determination of the temperature of the thermal agent at the height of the layer of materials. The dependence of the velocity of the mass transfer of temperature zones.
статья, добавлен 24.02.2016
Class of application of heat pumps in industry. Review of the carbon dioxide heat pump in the transcritical cycle of operation according to the expander-ejector scheme. Development of methods for selecting control valves for a given heat pump circuit.
статья, добавлен 02.02.2019
The problem of fuzzy multicriterial analysis of local energy conversion systems. Construction of training samples for artificial neural networks. Application of multiagent calculating models. Transition from vectorial criterion to a scalar combination.
статья, добавлен 28.08.2016
The role of piezoelectric transducers in electro- and hydroacoustics, where they are intended for radiation and reception of acoustic vibrations in air or aquatic environment. The use of monomorphic and bimorph elements for the manufacture of transducers.
статья, добавлен 30.08.2016
Theoretical studies allow developing a theoretical substantiated method for calculating the stability of spray vortex countercurrent mass transfer device. Review and characterization of the effect on the drop centrifugal force and resistance forces.
статья, добавлен 14.07.2016
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