相关实验视频

Updated: Jan 12, 2026

In Situ High Pressure Hydrogen Tribological Testing of Common Polymer Materials Used in the Hydrogen Delivery Infrastructure

In Situ High Pressure Hydrogen Tribological Testing of Common Polymer Materials Used in the Hydrogen Delivery Infrastructure

Published on: March 31, 2018

在混合天然气管道中的压力调节器的适应性研究

Yuchi Xue¹, Xiaoling Li¹, Yang Liu¹

¹Key Laboratory of Oil & Gas Storage and Transportation, College of Petroleum Engineering, Liaoning Petrochemical University, Fushun, Liaoning 113001, China.

|November 3, 2025

概括

为混合天然气 (HBNG) 管道调整压力调节器需要精确的控制参数调整. 模拟表明,增加含量需要改变调节器设置以保持稳定的压力和流量,确保安全的HBNG运输.

科学领域:

* 能源工程 * 能源工程
* 化学工程化学工程
* 流体动力学流体动力学

背景情况:

*现有的天然气基础设施为混合天然气 (HBNG) 运输提供了一个经济的途径.
* 在适应HBNG压力调节器方面存在重大技术挑战,影响系统稳定性和安全性.
* 的独特特性,如较低的密度和粘度,影响气体流动动力学和压力调节.

研究的目的:

* 开发使用阿斯HYSYS的HBNG降压和调节系统的高保真模型.
* 分析关键变量 (比例/整数参数,混合率,工作压力,门打开) 对系统性能的影响.
* 为优化压力调节器控制提供洞察力,以实现稳定和安全的HBNG运输.

主要方法:

* 在Aspen HYSYS软件中开发详细的模拟模型.
* 基于稳定状态压力精度,响应时间和功能适用性的系统性能评估.
*对影响减压和调节系统的五个变量的参数分析.

主要成果:

*增加混合率 (0-30%) 需要调整比例 (0.4-0.6) 和整数 (0.25-0.3-0.6) 参数,以保持压力精度.
* 的较低密度降低了系统惯性,需要控制参数补偿.
* 质量流速随着含量增加而显著降低 (例如,800公斤/小时甲到300公斤/小时在1.6MPa时).
*高压减轻了流量减少,但增加了温度并降低了粘度.
* 门打开显著影响压力差异和流量,密度随门打开而下降.

结论:

* 精确调整压力调节器控制参数至关重要,必须符合特定的混合物比率.
* 现有的压力调节设备的流量容量和适应性限制需要对HBNG应用进行彻底评估.
* 这项研究有助于确保通过现有基础设施运输-天然气混合物的稳定性和安全性.

更多相关视频

Mechanical Expansion of Steel Tubing as a Solution to Leaky Wellbores

Mechanical Expansion of Steel Tubing as a Solution to Leaky Wellbores

Published on: November 20, 2014

Synthesis and Testing of Supported Pt-Cu Solid Solution Nanoparticle Catalysts for Propane Dehydrogenation

Synthesis and Testing of Supported Pt-Cu Solid Solution Nanoparticle Catalysts for Propane Dehydrogenation

Published on: July 18, 2017

相关概念视频

Multiple Pipe Systems

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...

Pressure Gauges

Pressure Gauges

Most pressure gauges, like those on scuba tanks, are calibrated to read zero at atmospheric pressure. Readings from such gauges are called the gauge pressure, which is the pressure relative to atmospheric pressure. When the pressure inside the tank exceeds atmospheric pressure, the gauge reports a positive value. Some gauges are designed to measure negative pressure. For example, many physics experiments must take place in a vacuum chamber, a rigid chamber from which some of the air is pumped...

Design Example: Flow of Oil Through Circular Pipes

Design Example: Flow of Oil Through Circular Pipes

Understanding fluid flow behavior through pipes is critical in fluid mechanics, especially in applications like oil transportation through pipelines. Hagen-Poiseuille's law provides an exact solution derived from the Navier-Stokes equations for steady, incompressible, and laminar flow within a circular pipe. Hagen-Poiseuille's law helps determine the necessary pressure drop across a pipeline section by determining parameters like pipe length, radius, oil viscosity, and the desired volumetric...