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Curtain Flow Column: Optimization of Efficiency and Sensitivity
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在可变半圆约束下,在太阳能烟发电厂的流量参数优化
Rajamurugu Natarajan1, S Yaknesh2, K B Prakash3
1Department of Aeronautical and Aerospace Engineering, KCG College of Technology, Chennai, India.
Scientific reports
|January 2, 2025
概括
这项研究表明,半圆的太阳能烟发电厂 (SCPP) 收集器提高了效率. 具有特定曲率高度的半倾斜模型 (HSCPP-1) 为可再生能源发电提供了最佳的性能.
科学领域:
- 可再生能源系统可再生能源系统
- 流体动力学 流体动力学
- 热力学是一种热力学.
背景情况:
- 太阳能烟发电厂 (SCPP) 是一个重要的可再生能源技术.
- 优化SCPP设计对于增强能源发电和减少环境影响至关重要.
- 了解收集器几何学对流量参数的影响对于SCPP效率至关重要.
研究的目的:
- 为了研究流量参数对SCPP模型的影响,SCPP模型具有完全和半倾斜的半圆采集器截面.
- 为了在不同的条件下比较不同半圆采集器配置 (FSCPP与HSCPP) 的性能.
- 为了验证计算流体动力学 (CFD) 结果与SCPP性能实验数据的验证.
主要方法:
- 开发了六种SCPP模型,具有完全和半倾斜的半圆采集器部分和可变的半小高度.
- 使用ANSYS-FLUENT进行流量参数的计算近似.
- 对选定的模型 (FSCPP-1,HSCPP-1) 进行了实验验证,并将结果与直塔倾斜收集器SCPP (SSCPP) 和现有文献进行了比较.
主要成果:
- FSCPP-1和HSCPP-1模型表现出更高的最大速度 (4.31 m/s,4.49 m/s) 和温度升高 (35 K,36 K) 的优越性能.
- 实验结果与计算数据密切匹配,误差近似值高达5%.
- 半倾斜集热器 (HSCPP-1) 中的半圆形轮提高了整体系统性能,与SSCPP相比,速度提升了44%.
结论:
- 收集器部分的半圆曲线显著提高了太阳能烟发电厂的性能.
- 半倾斜半圆形太阳能烟发电厂 (HSCPP-1) 模型与全倾斜半圆形太阳能烟发电厂 (FSCPP-1) 模型相比,显示出更高的效率.
- 优化半圆形形状内的曲率高度可以导致SCPP能源发电的进一步增量改进.
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