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相关概念视频

Multiple Pipe Systems01:21

Multiple Pipe Systems

Multipipe systems consist of complex configurations of interconnected pipes designed to transport fluids efficiently across intricate networks. They are essential in engineering applications requiring precise control over flow distribution, pressure, and head loss. They are categorized into series, parallel, loop, and network configurations, each distinguished by unique flow characteristics and applications.
Series Configuration
In a series configuration, fluid flows sequentially from one pipe...
Bioreactor Controls-I01:28

Bioreactor Controls-I

Maintaining optimal conditions within fermenters is essential for maximizing microbial productivity and ensuring process efficiency. This lesson focuses on key parameters—temperature, foam, pH, carbon dioxide, oxygen, and pressure—and their precise measurement and control strategies in fermentation systems.Temperature ControlTemperature regulation is critical due to the exothermic nature of many fermentation processes. In small laboratory fermenters, temperature is commonly monitored using...
Bioreactor Controls-II01:18

Bioreactor Controls-II

In aerobic fermentations, oxygen is vital for microbial growth and metabolite production. Since air comprises only about 20% oxygen and the gas is poorly soluble in water—just 9 ppm at 20°C—supplying sufficient oxygen becomes a critical challenge, especially in high-demand processes like yeast growth or citric acid production. Even a fully saturated broth may offer only a few seconds of oxygen availability.To address this, sterile or scrubbed air is introduced into the fermentor via a sparger...

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相关实验视频

Updated: Jun 24, 2026

Generation and Control of Electrohydrodynamic Flows in Aqueous Electrolyte Solutions
08:41

Generation and Control of Electrohydrodynamic Flows in Aqueous Electrolyte Solutions

Published on: September 7, 2018

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空间限制驱动的泡自主管理用于紧型高性能水电解仪.

Yingjie Ji1, Shiyu Wang1, Shuyun Yao1

  • 1State Key Laboratory of Organic-Inorganic Composites, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, People's Republic of China.

Nano letters
|August 6, 2025
PubMed
概括
此摘要是机器生成的。

本研究介绍了水电解的新型空间限制策略,通过管理气泡来简化设计和减少能源使用. 这项创新提高了电流密度和反应堆效率,以实现可持续的生产.

关键词:
建筑设计 设计 建筑设计泡管理管理的方法流域控制 流域控制 流域控制空间限制的局限性水的分裂是水的分裂.

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相关实验视频

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科学领域:

  • 电化学工程 电化学工程
  • 可再生能源技术可再生能源技术
  • 能源系统中的流体动力学

背景情况:

  • 传统的水电解机由于泡积累而面临效率限制,需要复杂的系统和额外的能量.
  • 可持续的气生产对于可再生能源的整合至关重要,但目前的技术有缺点.

研究的目的:

  • 开发一种简化,更高效的水电解系统,使用一种新的空间限制策略.
  • 为了利用浮力驱动的泡运输来实现水力动力学管理和降低能源消耗.

主要方法:

  • 在水电解中开创了气泡运输的空间封闭策略.
  • 使用现场技术,如粒子图像速度测量和高速成像.
  • 在空间约束下分析流体循环,质量转移和泡行为.

主要成果:

  • 通过空间限制证明了自我维持的水力动力学管理.
  • 在优化原型中实现了电流密度增加2倍.
  • 与传统设计相比,反应堆体积减少了50%以上.

结论:

  • 空间限制策略显著提高了水电解效率,并简化了系统架构.
  • 这种以物理为驱动的设计为下一代涉及气体的电化学能源系统提供了一个新的范式.
  • 这种方法有可能在可持续的生产和能源储存中进行可扩展的应用.