Ahad Zarghami, Stefano Ubertini and Sauro Succi
The main purpose of this paper is to develop a novel thermal lattice Boltzmann method (LBM) based on finite volume (FV) formulation. Validation of the suggested formulation is…
Abstract
Purpose
The main purpose of this paper is to develop a novel thermal lattice Boltzmann method (LBM) based on finite volume (FV) formulation. Validation of the suggested formulation is performed by simulating plane Poiseuille, backward-facing step and flow over circular cylinder.
Design/methodology/approach
For this purpose, a cell-centered scheme is used to discretize the convection operator and the double distribution function model is applied to describe the temperature field. To enhance stability, weighting factors are defined as flux correctors on a D2Q9 lattice.
Findings
The introduction of pressure-temperature-dependent flux-control coefficients in the streaming operator, in conjunction with suitable boundary conditions, is shown to result in enhanced numerical stability of the scheme. In all cases, excellent agreement with the existing literature is found and shows that the presented method is a promising scheme in simulating thermo-hydrodynamic phenomena.
Originality/value
A stable and accurate FV formulation of the thermal DDF-LBM is presented.
Details
Keywords
Akshit Gupta and Urvashi Tandon
The concept of sustainable performance is gaining attention from researchers all over the world for the betterment of society as a whole. Pollution and climate change has…
Abstract
Purpose
The concept of sustainable performance is gaining attention from researchers all over the world for the betterment of society as a whole. Pollution and climate change has instigated an awareness to switch to sustainable built environment. The present research aims to analyze the indicators of adoption of smart buildings and their impact on dimensions of sustainability, namely, economic, social and environmental performance.
Design/methodology/approach
Data was collected from 332 respondents staying in smart buildings. Structural equation modeling was applied to analyze the data.
Findings
The results of the study indicated adoption of smart buildings depicted a stronger perceived sustainable environmental and economic performance while social performance emerged as a weak outcome variable as compared to the other two performances.
Originality/value
The study thus has tremendous implications for construction companies so that they may design smart buildings by adequately using artificial intelligence. To the best of the authors’ knowledge, this research is one of the initial studies to understand the perception of residents of smart buildings using smart technology in India.