灌热水系统的优化设计及其对中国太阳能温室菜种植的影响
Liangjie Guo1, Xinyi Chen1, Shiye Yang1
1College of Horticulture, Northwest A & F University, Yangling 712100, China.
Plants (Basel, Switzerland)
|March 13, 2024
概括
本研究介绍了一种灌热水系统 (IWHS),用于对抗温室作物中低温压力. 该系统有效地使用太阳能温室热量提高水温,提高了15.9%的生菜产量.
科学领域:
- 农业工程 农业工程
- 园艺科学 园艺科学
- 可再生能源系统可再生能源系统
背景情况:
- 低灌水温导致寒冷地区温室作物的低温压力.
- 利用过剩的太阳能温室热量是加热灌水的潜在解决方案.
研究的目的:
- 为太阳能温室提出和分析一个灌热水系统 (IWHS).
- 评估温水灌对生菜生长和产量的影响.
主要方法:
- 通过在中国太阳能温室中选IWHS过程参数来分析热收集能力.
- 对生菜进行了温水灌实验.
- 评估了换热器高度和表面处理对性能的影响.
主要成果:
- 水温随着风速的增加而增加,以4.5米/秒的速度达到8.6°C的升温.
- 最佳换热器高度 (3.0米) 增加了集热器容量17.8%.
- 温水灌使生菜的平均产量增加了15.9%.
结论:
- 在冬季,IWHS有效地提高了中国太阳能温室的灌水温度.
- 温水灌显著促进了生菜的生长和产量.
- 进一步的系统改进可以提高经济和应用价值.
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