نتایج جستجو برای: axisymmetric heat supply

تعداد نتایج: 364022  

2008
Alexander Ruzmaikin

Observations show that solar activity is distributed non-axisymmetrically, concentrating at “preferred longitudes”. This indicates the important role of non-axisymmetric magnetic fields in the origin of solar activity. We investigate the generation of the non-axisymmetric fields and their coupling with axisymmetric solar magnetic field. Our kinematic generation (dynamo) model operating in a sph...

2011
BRONISLAV CHRAMCOV Tomas Bata

Time series analysis and subsequent forecasting can be an important part of a process control system. By monitoring key process variables and using them to predict the future behavior of the process, it may be possible to determine the optimal time and extent of control action. We can find applications of this prediction also in the control of the Centralized Heat Supply System (CHSS), especial...

In this paper, the performance of an ejector cooling system and the effect of the following different working fluids such as water, ammonia, R134a, R141b, R12, R600 and R245fa are described and the effects of cycle parameters on the consumed heat and work and COP are studied. This cycle with the working fluid R141b has the least COP while the working fluid R₁₂ in comparison with the other worki...

ژورنال: انرژی ایران 2020

In this study, supply electrical, heating and cooling loads in the building by a separate production system and a cogeneration system, particle swarm optimization algorithm in five different scenarios were studied and analyzed (For example, Data and Information a high-rise building base 72, in the city of Kerman is used). The results show that, cold and heat power system of micro gas turbine wi...

Journal: :TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B 1984

Journal: :International Journal of Thermal Sciences 2021

This work is focused on exploring the flow and heat transfer capabilities for slotted axisymmetric cavity configurations synthetic impinging jets; jet enclosed between two isothermal parallel plates, into top hot plate. Numerical simulations using Arbitrary Lagrangian-Eulerian formulation of Navier-Stokes equations are performed Reynolds numbers 50, 300 500 a formation criteria 3. The pattern f...

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