CFD analysis of heat transfer in ventilated attics
Paper in proceedings, 2017

Due to improper design of cold ventilated attics with regard to family homes, mild growth has become an increasing problem in Scandinavia and other cold countries around the globe. In this research paper, the influence of combined natural and forced convection on the thermal properties of insulation is investigated. The governing equations for fluid motion, energy (heat) and suitable turbulence model have been solved with help virtual numerical technique namely CFD. The numerical computations are conducted for two different insulations with varying values of permeability. The results of this complicated and sensitive heat transfer process are presented as function of different inlet velocities, physical properties of insulation and temperature difference across the calculation domain for full scale cold ventilated attics.

Fluid mechanics

Computational fluid dynamics (CFD)

Building physics

Heat transfer

Author

Vijay Shankar

Luleå University of Technology

Andreas Bengtson

Chalmers, Civil and Environmental Engineering, Building Technology

Victor Fransson

Chalmers, Civil and Environmental Engineering, Building Technology

Carl-Eric Hagentoft

Chalmers, Civil and Environmental Engineering, Building Technology

International Conference on Fluid Flow, Heat and Mass Transfer

2369-3029 (eISSN)

4th International Conference on Fluid Flow, Heat and Mass Transfer, FFHMT 2017
Toronto, Canada,

Subject Categories

Energy Engineering

Fluid Mechanics and Acoustics

Building Technologies

DOI

10.11159/ffhmt17.180

More information

Latest update

11/5/2019