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Showing 2 results for Abbasi
Existing Methods For The Simulation of Turbulent Drag Reduction By Using Microfibers
Amin Moosaie, Kourosh Goudarzi, Jalil Abbasi,
Volume 3, Issue 1 (9-2017)
Abstract
Drag reduction in turbulent flows allows achieving of higher speeds and reducing energy consumption in the motion of submerged objects. An efficient technique for drag reduction uses dilute solutions of microfibers. In this paper, a review of available methods for the simulation of turbulent drag reduction by microfiber additives is presented. To compute the turbulent flow, the direct numerical simulation (DNS) technique is employed. The effect of the fibers on the flow is described by a non-Newtonian stress tensor, involving the distribution of fiber position and orientation. The fiber dynamics is governed by a Fokker-Planck equation. The computation involves a numerical solution of three-dimensional, time-dependent Navier-Stokes equations for the incompressible flow of a non-Newtonian fluid. In this article, various methods for solving the Fokker-Planck equation are reviewed.
Introducing specialized software for economic analysis of biomass power plants in Iran (BIO-ECO)
Soraya Rostami, Elahe Mansouri, Zahra Abbasi,
Volume 4, Issue 2 (11-2023)
Abstract
Biomass energy, generated from organic waste and residues produced by living organisms, is recognized as one of the most promising renewable energy resources after solar energy due to its considerable energy potential. The regulatory framework governing the development, construction, and operation of renewable power plants plays a crucial role in reducing investment risks and promoting the deployment of sustainable energy systems. This paper provides an overview of the current regulations, licensing procedures, and implementation process for biomass power plants in Iran. Furthermore, based on the existing legal and regulatory framework, a localized software package, BIO-ECO, has been developed to perform the economic assessment of biomass power plants. The software was developed as part of the research project entitled "Development of Economic Assessment Software for Solar, Biomass, and Geothermal Power Plants in Iran" conducted at the Niroo Research Institute. BIO-ECO provides a practical and localized platform for evaluating the economic feasibility of biomass power projects in accordance with Iranian regulations and administrative procedure. Thereby can support investors, developers, and decision-makers in planning and investment activities.

 
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