主要规格及技术指标

I. Technical Specifications
1. Air pressure: 0.1～0.3Mpa, air temperature: 20～35℃, air flow rate: 2.5～25m³/h, water flow rate: 0.6～6m³/h, water temperature: 20～35℃.
2. Power supply: Three-phase five-wire 380V±10%, 50Hz. Safety protection: Grounding protection, leakage protection, overcurrent protection, power 2.5KW.
3. Power and control wiring installation: Environmentally friendly flame-retardant electrical wiring ducts must be used, properly organized and conforming to national standards, featuring insulation, arc prevention, flame retardancy, and self-extinguishing characteristics. Wiring should be neat, reliable, and easy to locate, maintain, and replace.
4. Device dimensions: 1800mm×600mm×1650mm.

II. Main Configuration and Parameters
1. Compressor, mixer, separator, pressure gauge, differential pressure gauge, visual flow pattern experimental section, electronic digital display thermometer.
2. Stainless steel high-pressure water pump.
3. One liquid flow meter and one gas flow meter.
4. 304 stainless steel water tank.
5. 304 stainless steel flow regulating valve.
6. Fluorescent lighting throughout the entire experimental section.
7. Power control system: Composed of one double-sided matte textured powder-coated electrical control box, a leakage current protector (Delixi), an illuminated self-locking push-button switch (Chint), cable trays, etc. The control box panel is made with aluminum recessed lettering.
8. Stainless steel frame experimental table (30*30mm stainless steel square tubing, equipped with casters all-purpose with locking feet).

一.技术指标
1.空气压力0.1～0.3Mpa,空气温度20～35℃，空气流量2.5～25m3/h，水流量0.6～6m3/h,水温20～35℃。
2.工作电源：三相五线380V±10%，50Hz安全保护：具有接地保护，漏电保护，过流保护，功率2.5KW。
3.电源线路及控制线的安装：须使用环保阻燃电气配线槽，规范整理符合国家标准，具有绝缘、防弧、阻燃自熄等特点，布线整齐，安装可靠，便于查找、维修和调换线路。
4.装置外形尺寸：1800mm×600mm×1650mm。

二.主要配置及参数
1.压气机、混合器、分离器、压力计、压差计、可视化流型实验段、电子数显温度计。
2.不锈钢高压水泵。
3.液体流量计1只、气体流量计1只。
4.304不锈钢水箱。
5.304不锈钢流量调节阀。
6.实验段全长配置日光灯照明。
7.电源控制系统：双面亚光密纹喷塑电控箱1只、漏电保护器（德力西）、带灯自锁按钮开关（正泰）、线槽等组成，控制箱面板采用铝质凹字技术制作。
8.不锈钢框架实验台（30*30mm不锈钢方管、配脚轮均为万向轮带禁锢脚）。

主要功能及特色

This experiment aims to help participants understand the important role of gas-liquid two-phase flow in industrial production, learn the current state of research on gas-liquid two-phase flow patterns, know the methods and characteristics of two-phase flow pattern identification, accurately draw two-phase flow pattern diagrams, compare them with typical flow pattern diagrams, and apply two-phase flow theory to analyze and solve practical engineering problems. The following experiments can be conducted:
1. Gas-liquid two-phase flow pattern identification experiment. After flow pattern identification, compare the results with typical Baker and Weisman flow patterns.
2. Two-phase friction gradient experiment.
3. Cavitation fraction determination experiment in a pipe.

认识气液两相流在工业生产中的重要作用，了解气液两相流型研究的发展现状，知道判别两相流流型的方法及流型判别的特征，能准确绘制两相流流型图，并与典型流型图做比较，能运用两相流动理论分析解决工程实际问题。可进行以下实验：
1.气液两相流流型识别实验。流行识别完后与典型的Baker流型图、Weisman流型图做对比。
2.两相摩阻梯度实验。
3.管道内空泡份额测定实验。

主要附件及配置

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