太阳能光伏电池板的效率提升通过结合无环热管与板式蒸发器
N Nethaji1, R Suresh Kumar2, N Jayanthi3
1Department of Mechanical Engineering, Government Polytechnic College, Palacode, Tamilnadu, India.
Scientific reports
|October 13, 2025
概括
本研究介绍了一种使用带式蒸发器 (WLHP-PE) 的环热管的被动冷却系统,以提高太阳能电池板的效率. 该系统有效地降低了面板温度,提高了光伏转换率,而不需要外部电源.
科学领域:
- 可再生能源工程可再生能源工程
- 热管理系统 热管理系统
- 光伏技术 光伏技术
背景情况:
- 全球能源需求推动了对太阳能等高效,可持续能源的需求.
- 光伏 (PV) 电池的性能因连接点温度升高而降低,从而降低了能量转换效率.
- 有效的热管理对于优化太阳能电池板输出至关重要.
研究的目的:
- 调查带有板式蒸发器 (WLHP-PE) 的环热管在减轻太阳能电池板中的热积累方面的有效性.
- 通过被动冷却来提高光伏模块的能量转换效率.
- 评估与太阳能电池板集成的WLHP-PE系统的性能.
主要方法:
- 一个滚动的粘合蒸发器板被附在太阳能电池板的后部.
- 在WLHP-PE系统中,乙被用作工作流体来吸收热量.
- 热管系统将热能转移到水浴中进行散热,从而完成被动冷却周期.
主要成果:
- 该WLHP-PE系统成功地将太阳能电池板的工作温度降低了5到9°C.
- 观察到光伏模块转换效率的显著改善,范围为10%至12%.
- 被动冷却增强可以在没有任何外部功耗的情况下实现.
结论:
- 集成WLHP-PE系统为太阳能电池板提供了一个可行的被动冷却解决方案.
- 使用WLHP-PE的有效热管理可以大大提高光伏发电的效率和性能.
- 这项技术为提高太阳能利用率提供了一个有前途的方法,以应对不断增长的全球能源需求.
相关概念视频
Mechanism of heat transfer
1.9K
Understanding heat transfer mechanisms is essential for understanding how our bodies maintain balance in different environmental conditions. When the environment is thermoneutral, the body is in a state of balance, neither using nor releasing energy to maintain its core temperature. However, when the environment is not thermoneutral, the body employs four heat transfer mechanisms to maintain homeostasis: conduction, convection, evaporation, and radiation. These mechanisms facilitate heat...
1.9K
Mechanisms of Heat Transfer II
4.2K
In convection, thermal energy is carried by the large-scale flow of matter. Ocean currents and large-scale atmospheric circulation, which result from the buoyancy of warm air and water, transfer hot air from the tropics toward the poles and cold air from the poles toward the tropics. The Earth’s rotation interacts with those flows, causing the observed eastward flow of air in the temperate zones. Convection dominates heat transfer by air, and the amount of available space for the airflow...
4.2K
Refrigerators and Heat Pumps
3.0K
Refrigerators or heat pumps are heat engines operating in a reverse direction. For a refrigerator, the focus is on removing heat from a specific area, whereas, for a heat pump, the focus is on dumping heat into one particular area. A refrigerator (or heat pump) absorbs heat Qc from the cold reservoir at Kelvin temperature Tc and discards heat Qh to the hot reservoir at Kelvin temperature Th, while work W is done on the engine’s working substance.
A household refrigerator removes heat from...
A household refrigerator removes heat from...
3.0K
Mechanisms of Heat Transfer
1.6K
Heat transfer between the human body and its environment occurs through four main mechanisms: conduction, convection, radiation, and evaporation.
Conduction, accounting for approximately 3% of body heat loss at rest, is the process of exchanging heat between molecules of two materials in direct contact. This can result in both heat loss and gain. For instance, when the body is submerged in water, which conducts heat 20 times more effectively than air, it can either lose or gain significant...
Conduction, accounting for approximately 3% of body heat loss at rest, is the process of exchanging heat between molecules of two materials in direct contact. This can result in both heat loss and gain. For instance, when the body is submerged in water, which conducts heat 20 times more effectively than air, it can either lose or gain significant...
1.6K
Mechanisms of Heat Transfer I
5.9K
Just as interesting as the effects of heat transfer on a system are the methods by which the heat transfer occur. Whenever there is a temperature difference, heat transfer occurs. It may occur rapidly, such as through a cooking pan, or slowly, such as through the walls of a picnic ice box. So many processes involve heat transfer that it is hard to imagine a situation where no heat transfer occurs. Yet, every heat transfer takes place by only three methods: conduction, convection, and radiation.
5.9K
P-N junction
1.1K
A p-n junction is formed when p-type and n-type semiconductor materials are joined together. At the interface of the p-n junction, holes from the p-side and electrons from the n-side begin to diffuse into the opposite sides due to the concentration gradient. This diffusion of carriers leads to a region around the junction where there are no free charge carriers, known as the depletion region. The charge density within the depletion region for the n-side and p-side can be described by the...
1.1K


