Thermodynamic efficiency of swirling effect: ways of enhancement
A description of techniques for increasing the efficiency of a triple-flow pipe with finning used under particular conditions. Calculation of the cooled flow portion. Dependence of the heat performance coefficient on the proportion of the cooled flow.
Подобные документы
The efficiency of a thermal power cycle. Use of waste heat for process or central heating. Ways to increase the overall efficiency of the power plant. A combination of different thermodynamic cycles in a combined cycle. Once-through cooling systems.
статья, добавлен 20.02.2019Incompressible fractional flow for waterflood with capillary corrections. Mass balance closure for the composite solution. Composite saturation profile and fractional flow plot for radial flow. Model application - capillary pressure function calibration.
статья, добавлен 21.09.2016Deformation of solids. The study of plastic flow. The nanoscale point defects a transition from the solid state of the medium. Synergetic equations describing the self-organization of the particles. Phase diagram of the system and distribution function.
статья, добавлен 30.07.2016Development of a method for increasing the energy efficiency of a household refrigerator by intensifying the process of heat removal from the refrigeration unit with modern fans for blowing the surfaces of the compressor and condenser unit of the device.
статья, добавлен 20.06.2020Energy security as one of the most important problems of the modern world. The role of the "Turkish flow" in the energy security of Europe. The main reasons for the postponement of the South Stream project, which Russia initiated before the Turkish flow.
статья, добавлен 10.05.2018Analysis of the use of a combined solar collector for heat supply of buildings to enhance the efficiency of solar system by increasing the surface area of absorption of solar energy. The study of the intensity of the solar radiation on the collector.
статья, добавлен 24.02.2016Motion of a viscous incompressible fluid in an elastic cylindrical shell under the influence of a number of factors. The assumption that the elastic displacements of the shell are small compared with its radius, but not with the thickness of the shell.
статья, добавлен 02.03.2019As part of the implementation of energy conservation and energy efficiency policies, the introduction and use of renewable energy resources in the housing and communal services sector is one of the promising areas. Geothermal heat pumps structure.
статья, добавлен 20.02.2019Description of models of gas purification from suspended solids in аVenturi scrubber subject to the pulsations of the gas flow. Development of a method of calculating the slip velocity between the fractions of particles including vibrations and movement.
статья, добавлен 13.01.2017The aerodynamic properties of the wing (drag, lift-to-drag ratio and induced drag) were investigated experimentally. Two forms of nonlinear equations of lift curves. Flow visualization in observing the influences of tip vortices shed from the wing tips.
статья, добавлен 18.01.2014Two variants of the operative conditions of heat and power plants with technological schemes where heat pumps are used for utilizing the heat of exhaust gases of steam generators. System of the automatic control of frequency and power as power system.
статья, добавлен 30.01.2016Finding ways to save energy and improve the energy efficiency of production. Development of the latest renewable sources. Development of the photovoltaic industry, increasing the output power of solar batteries. Reduction of carbon dioxide emissions.
статья, добавлен 30.08.2022Methods of construction of the automated test systems of radio-electronic technique objects. The basic directions of improvement of existing test systems. Principles and methods of reception and processing of the diagnostic information for AA SD RET.
статья, добавлен 22.12.2016Электроэнергия как один из важнейших ресурсов в современном мире. Формулировка и способы разрешения задачи Optimal Power Flow. Типы релаксации и их сравнительное описание, условия и возможности использования: полуопределенная, хордальная и коническая.
курсовая работа, добавлен 03.07.2017Метод термоэлектрической стабилизации температуры для повышения точности предпроектного моделирования солнечных батарей космического назначения. Построение модели исполнительного блока термостабилизатора в программном модуле SolidWorks Flow Simulation.
статья, добавлен 27.10.2016Определение параметров за полуоткрытым рабочим колесом центробежной компрессорной ступени с учетом потерь на трение диска и перетекание в зазоре между корпусом и торцами лопаток на основе расчетов с помощью конечно-объемных элементов по Flow Vision.
статья, добавлен 25.02.2016Calculation of main electrical value and determination of isolation distances. Determination of the mass of the active part of the magnetic circuit, building materials and oil. Description of the design of transformers. Calculation of the HV winding.
дипломная работа, добавлен 06.12.2016The longitudinal direction remains after removal of the known correlation-inducing effects such as elliptic flow and ordinary jet correlations. The analysis of the evolution of the energy density in the system with high density tube-like fluctuations.
статья, добавлен 11.09.2013- 19. Steam turbines
Steam turbines design. Classification of steam turbines according to the method of energy conversion, according to the direction of flow, according to the number of stages, according to the speed of rotation, according to the steam pressure at the outlet.
презентация, добавлен 12.11.2022 Connection graph theory and formulation of general class physical systems over force interactions. Force factors are effort and flow. Different interpretations in different physical fields. Using power to simulate connected systems in energy fields.
статья, добавлен 28.08.2020Assessment of environmental, social and climatic risks of modern Europe. Providing clean energy to the European Union. Development and implementation of an energy sufficiency and efficiency strategy. Expansion of production of renewable energy sources.
статья, добавлен 16.11.2021Description of the method for determining the density of phonon states of composite materials based on the heat capacity of composite materials based on polytetrafluoroethylene matrix. Analysis of the boundary values of the intensity of phonon spectra.
статья, добавлен 12.05.2018- 23. The viscosity temperature dependence in the boundary friction model under a periodic external action
Investigation the tribological system behavior with help of the thermodynamic model, which takes into consideration the dependence of the effective polymeric lubricant viscosity on the temperature and velocity gradient within phase transition model.
статья, добавлен 30.07.2016 - 24. Intrinsic point defects in anisotropic crystalline systems (quasi-two NbSe2 and quasi-one NbSe3)
Heat treatment of single crystals of NbSe2 and NbSe3. The complex investigation of the temperature dependences of resistance NbSe3 and NbSe2 in different environments in the field of 300-550 K. The relative change of the linear dimensions NbSe2.
статья, добавлен 22.12.2016 Euler equations for 2D unsteady motion of a compressible medium when two components of the velocity vector, density and pressure, act as unknowns. Relations for simple algebraic combinations of unknowns, convenient for solving hydromechanical problems.
статья, добавлен 29.04.2019