Numerical investigation of heat transfer in a helically coiled tube using copper/water nano-fluid under constant heat flux and prediction of the results using perceptron and radial basis function networks

2019 ◽  
Vol 56 (4) ◽  
pp. 1051-1075
Author(s):  
Reza Aghayari ◽  
Sohrab Rohani ◽  
Nahid Ghasemi ◽  
Elmira Nouri Khashe Heiran ◽  
Hossein Mazaheri
Keyword(s):  
Heat Transfer ◽  
Heat Flux ◽  
Radial Basis Function ◽  
Numerical Investigation ◽  
Basis Function ◽  
Constant Heat Flux ◽  
Radial Basis Function Networks ◽  
Constant Heat ◽  
Nano Fluid ◽  
Helically Coiled Tube

An analytical approach for optimal design of heat sinks under forced convection

2013 ◽  
Vol 3 (2) ◽  
Author(s):  
Antonio Miguel
Keyword(s):  
Heat Transfer ◽  
Heat Flux ◽  
Transfer Rate ◽  
Analytical Approach ◽  
Constant Heat Flux ◽  
Heat Sinks ◽  
Pumping Power ◽  
Fluid Stream ◽  
Design Standards ◽  
Constant Heat

AbstractSaving energy is just as important as generating energy. In this paper, we seek an optimized structure that achieves a certain level of heat transfer rate under a minimum pumping power to drive the fluid stream. Constraints are specified by the flow regime (laminar and turbulent), admissible boundary conditions on the walls (prescribed temperature and constant heat flux), and design standards. The study will help designers with more effective basic tools for the conceptual design of system and in establishing proper operating procedures.

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