Multiphase Processes with Phase Change in Energy Systems

本研究项目将研究能源系统中多相过程的流体动力学和传热学。这将包括在易结冰地区运行的风力涡轮机的多相热力学以及盐水冻结的非均相相变、增强型相变材料和多相化学反应。主要目标是提高能源系统的性能和效率，然而，其他应用领域将包括化学加工、石油和天然气以及泥浆运输。该研究计划将为非均相相变和多相流开发新的和改进的模型、关联式和实验数据，包括预测风力涡轮机和海洋船舶上的结冰的新模型。这些模型将通过减少结冰以及提高除冰和防冰系统的效率来实现更高效和更安全的设计。与海洋结冰有关的非均相相变的预测模型将扩展到其他应用，例如用于更好地设计热能存储的含有纳米颗粒的相变材料，以及用于更好地设计化学反应器设计的化学反应过程中的颗粒内扩散。这项研究计划将提高北部恶劣天气地区能源系统的生存能力和可持续性。该计划将对涂层和智能表面做出贡献，这些涂层和智能表面将改变结冰和防冰系统。更好的传热和传质模型将允许更有效的热能存储。此外，它还将通过帮助缓解与风力涡轮机间歇发电相关的问题，使可再生能源得到更多的渗透。在加拿大寒冷地区大幅扩大风力涡轮机装机容量的潜力是有希望的。然而，结冰对在这些寒冷地区运行的涡轮机的最佳功率输出、安全性和寿命造成了巨大的挑战。通过改进结冰预测模型，加拿大北部偏远地区的风力涡轮机装机容量可以显著提高。多相流和非均相相变在各种科学和工程系统中有着重要的应用。结冰对能源、近海石油和天然气、北极开发和北方社区等各种工业部门构成了重大挑战。这些对加拿大的能源经济都很重要。这项研究计划还将为加拿大的北极主权和航运以及偏远北方社区的可持续性提供有益的好处。

Fluid dynamics and heat transfer of multiphase processes in energy systems will be investigated in this research program. This will include multiphase thermodynamics of wind turbines operating in ice prone regions as well as heterogeneous phase change for salt water freezing, enhanced phase change materials, and multiphase chemical reactions. The primary goal is to improve the performance and efficiency of energy systems, however, other application areas will include chemical processing, oil and gas, and slurry transport. This research program will develop new and improved models, correlations and experimental data for heterogeneous phase change and multiphase flow, including new models to predict ice accretion on wind turbines and marine vessels. These models will lead to more efficient and safer designs by mitigating ice accumulation, as well as increased efficiency of de-icing and anti-icing systems. Predictive models for heterogeneous phase change related to marine icing will be extended to other applications, such as phase change materials with nanoparticles for better designs for thermal energy storage, as well as intra-particle diffusion during chemical reactions for better chemical reactor designs. This research program will improve the viability and sustainability of energy systems in northern regions with harsh weather conditions. This program will contribute to coatings and smart surfaces which will transform ice mitigation and anti-icing systems. Better heat and mass transfer models will allow for more efficient thermal energy storage. Also, it will enable more renewable energy penetration by helping to alleviate problems associated with intermittent power output of wind turbines. Promising potential exists to significantly expand the installed capacity of wind turbines in cold regions of Canada. However, icing causes significant challenges to optimal power output, safety and longevity of turbines operating in these cold regions. By improving the predictive models for ice accretion, the installed capacity of wind turbines can be significantly enhanced in Canada's remote northern regions. Multiphase flows and heterogeneous phase change have important applications to a wide variety of scientific and engineering systems. Icing poses significant challenges to various industrial sectors, such as energy, offshore oil and gas, Arctic development, and northern communities. These are important to Canada's energy economy. This research program will also provide useful benefits to Canada's Arctic sovereignty and shipping, as well as the sustainability of remote northern communities.