Numerical Investigation of Wind Flow around a Cylindrical Trough Solar Collector

• 作者: Mashhood Mashhoodi Mohammad Adel Moradian Seyyed Mohammad Nima Shojaee
• 来源期刊: 电力能源(英文)
• 学科: 数学
• 关键词: Component Flow Analysis Wind FORCES SOLAR Collectors CYLINDRICAL TROUGH COLLECTOR Computational SOLAR Energy
• 年，卷（期）: 2015,（1）
• 页码范围: 1-10
• 页数: 10页
• 分类号: O1

摘要

The goal of this study is to model the effects of wind on Cylindrical Trough Collectors (CTCs). Two major areas are discussed in this paper: 1) heat losses due to wind flow over receiver pipe and 2) average forces applied on the collector’s body. To accomplish these goals a 2D modeling of CTC was carried out using commercial codes with various wind velocities and collector orientations. Ambient temperature was assumed to be constant at 300 K and for specific geometries different meshing methods and boundary conditions were used in various runs. Validation was done by comparing the simulation results for a horizontal collector with empirical data. It was observed that maximum force of 509.1 Newton per Meter occurs at +60 degrees. Nusselt number is almost the constant for positive angles while at negative angles it varies considerably with the collector’s orientation.