重新评估全球风力发电的热力学和动力学约束
Reassessing thermodynamic and dynamic constraints on global wind power
摘要:
从基本的物理原理出发,我们提出了一个新的推导全球风力发电可测量的大气参数。由此产生的表达式区分了大气动力的三个组成部分(与水平和垂直运动相关的动能和降水的重力),并突出了以前的方法的问题。以Laliberté等人(2015)为重点,我们展示了在存在相变的情况下材料衍生物的不适当处理如何导致风力发电分析中的重大错误。我们讨论了全球风力发电的物理限制和考虑水蒸气凝结的动态影响所提供的机会。
英文摘要:
Starting from basic physical principles, we present a novel derivation linking the global wind power to measurable atmospheric parameters. The resulting expression distinguishes three components of the atmospheric power (the kinetic power associated with horizontal and vertical motion and the gravitational power of precipitation) and highlights problems with previous approaches. Focusing on Laliberté et al. (2015), we show how inappropriate treatment of material derivatives in the presence of phase transitions leads to significant errors in wind power analyses. We discuss the physical constraints on global wind power and the opportunities provided by considering the dynamic effects of water vapor condensation.
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