Optimisation of multi-rotor wind turbines combined with advanced design techniques to enable lower environmental impacts and reduced cost of energy.

多转子风力涡轮机的优化与先进的设计技术相结合，可降低环境影响并降低能源成本。

• 批准号: 2894272
• 金额: --
• 依托单位: University of Bristol
• 依托单位国家: 英国
• 项目类别: Studentship
• 财政年份: 2023
• 资助国家: 英国
• 起止时间: 2023 至 无数据
• 项目状态: 未结题
• 来源: https://gtr.ukri.org/projects?ref=studentship-2894272
• 关键词: Optimisation; multi; rotor; wind; turbines

As illustrated by Vestas' V236 - 15 MW turbine, the driving economics of wind turbines have led to gigantic blades made of high-performance materials such as thermosets glass and carbon fibre reinforced polymers (FRP). However, there currently exists no viable process to recycle thermoset FRP blades without degradation of material properties. Hence, blades often end their life in landfills or are incinerated; undesirable scenarios resulting in significant Environmental Impacts (EIs) and loss of material capital [1]. This issue is further exacerbated by the fact that the manufacture of carbon fibres is energy intensive and has substantial Global Warming Potential (GWP ), i.e. more than 10 times that of glass [2]. This lack of sustainability and circularity is a thorny problem which the wind industry and academia are trying to solve using thermoplastic and vitrimer resins to enable, in theory, fully recyclable blades [1]. Even if promising, these technologies are still in development and many technical and practical questions remain regarding, for instance, the quality of the recyclate; how to separate complex blades into their constituents; and the EIs of these recycling processes. More importantly, replacing one resin system by another doesn't fundamentally alter the wind turbine design and its scaling laws, meaning that blades will continue to require extensive amounts of carbon fibre and other raw materials.

正如维斯塔斯 V236 - 15 MW 涡轮机所示，风力涡轮机的驱动经济性催生了由热固性玻璃和碳纤维增强聚合物 (FRP) 等高性能材料制成的巨型叶片。然而，目前尚不存在在不降低材料性能的情况下回收热固性玻璃钢叶片的可行工艺。因此，叶片通常在垃圾填埋场结束使用寿命或被焚烧。导致重大环境影响 (EI) 和物质资本损失的不良情况 [1]。碳纤维的制造是能源密集型的，并且具有巨大的全球变暖潜势 (GWP)，即是玻璃的 10 倍以上，这一事实进一步加剧了这个问题 [2]。缺乏可持续性和循环性是风电行业和学术界正在尝试使用热塑性和玻璃树脂来解决的一个棘手问题，以便在理论上实现完全可回收的叶片[1]。即使前景光明，这些技术仍处于开发阶段，许多技术和实际问题仍然存在，例如，回收物的质量；如何将复杂的叶片分离成其组成部分；以及这些回收过程的 EI。更重要的是，用一种树脂系统替换另一种树脂系统并不会从根本上改变风力涡轮机的设计及其缩放定律，这意味着叶片将继续需要大量的碳纤维和其他原材料。