Vertical axis turbine simulations based on sliding and overset meshes

Asmelash Haftu Amaha, Shivasubramanian Gopalakrishnan, Prabhu Ramachandran, Joel Guerrero
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Abstract

Vertical Axis Turbines (VATs) are gaining traction as decentralized energy sources due to their simple design and suitability for various wind conditions. However, understanding VAT aerodynamics requires robust computational methods. This study compares the accuracy and efficiency of two meshing techniques (sliding mesh and overset mesh) for VAT simulations using OpenFOAM. Validation against experimental data confirms the capability of both methods to capture flow physics and predict turbine performance. The results suggest both techniques offer efficient and accurate VAT simulations, providing valuable tools for future VAT optimization and experimental validation.
基于滑动和超集网格的垂直轴涡轮机模拟
垂直轴涡轮机(VAT)因其设计简单、适用于各种风况,作为分散式能源正受到越来越多的关注。然而,要了解垂直轴涡轮机的空气动力学特性,就必须采用可靠的计算方法。本研究比较了使用 OpenFOAM 进行 VAT 模拟的两种网格划分技术(滑动网格和超集网格)的精度和效率。根据实验数据进行的验证确认了这两种方法捕捉流动物理特性和预测涡轮机性能的能力。结果表明,这两种技术都能提供高效、准确的 VAT 仿真,为未来的 VAT 优化和实验验证提供了宝贵的工具。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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