主要规格及技术指标

1.承压玻璃管及设备耐压承限可达到11MPa，承压玻璃管内的二氧化碳完全呈现液化状态30分钟以上方可泄压。
2.恒温水箱：304不锈钢材质，尺寸25cm×25cm×25cm，内设1500W的加热棒和铜-康铜的热电偶，温度显示分辨率0.1℃。
3.电加热器：U型加热棒，加热功率可达1500W。
4.微电脑数字温度控制器：温度测量范围：-30℃~300℃，分辨率：0.1℃，测温精度：±1℃。
5.数字温度传感器：NTC温度传感器，使用温度范围:-40~150℃，B级精度，数显温度表温度显示分辨率0.1℃。
6.压力校验仪：配有压力表、油杯、检验压力范围0-60MPa，基本误差：实际测量值的±0.05%，可设定最高压力，比容：0.001～0.012m^3⁄kg。
7.循环水泵：交流220V、流量600L/H、扬程7M，电机功率28.8W。输出电压24V。
8.精密压力表：表盘同时显示MPa和kgf/cm²，测量范围0-16MPa和0-160kgf/cm²。基本误差为实际测量值的±0.4%。
9.承压玻璃管：刻度管最小分度值1mm。水套：有机玻璃材质，直径：25mm,高度：550mm。


1. Pressurized glass tube and equipment pressure resistance limit can reach 11MPa, carbon dioxide in the pressurized glass tube completely present liquefied state for more than 30 minutes before pressure relief.
2. Constant temperature water tank: 304 stainless steel, size 25cm×25cm×25cm, with 1500W heating rod and copper-copper thermocouple, temperature display resolution 0.1℃.
3. Electric heater: U-shaped heating rod, heating power up to 1500W.
4. Microcomputer digital temperature controller: temperature measurement range: -30℃~300℃, resolution: 0.1℃, temperature measurement accuracy: ±1℃.
5. Digital temperature sensor: NTC temperature sensor, the use of temperature range: -40 ~ 150 ℃, B-level precision, digital temperature meter temperature display resolution of 0.1 ℃.
6. Pressure calibrator: equipped with pressure gauge, oil cup, test pressure range 0-60MPa, basic error: ±0.05% of the actual measured value, the highest pressure can be set, specific volume: 0.001 ~ 0.012m^3⁄kg.
7. circulating water pump: AC 220V, flow rate 600L/H, head 7M, motor power 28.8W, output voltage 24V.
8. Precision pressure gauge: the dial shows MPa and kgf/cm² at the same time, measuring range 0-16MPa and 0-160kgf/cm². The basic error is ±0.4% of the actual measured value.
9. Pressurized glass tube: graduated tube with a minimum index value of 1mm. water jacket: made of organic glass, diameter: 25mm, height: 550mm.

主要功能及特色

1.测定二氧化碳的P-V-T关系，观察临界现象：临界状态附近的气液两相模糊现象、气液整体相变现象。测定二氧化碳的PC、wC、TC等CRITlCAL参数，并将实验得到的Ve值与理想气体状态方程和范德华方程的理论值进行比较，简要说明差异的原因。
2.测定不同压力下饱和蒸气和饱和液体的比容（浓度）以及饱和温度和饱和压力的对应关系，观察临界状态附近的凝华、汽化过程和汽液不清现象
3.测定不同压力下饱和蒸气和饱和液体的比容（浓度）以及饱和温度和饱和压力的对应关系，观察临界状态附近的凝华、汽化过程和汽液不清现象。确定二氧化碳饱和温度与饱和压力的对应关系
1.Determine the P-V-T relationship of carbon dioxide, observe the critical phenomenon: the gas-liquid two phase fuzzy phenomenon near the critical state, the gas-liquid overall phase transformation phenomenon. determine the CRITlCAL parameters of CO2 such as PC, VC, TC, and compare the Ve value obtained by the experiment with the theoretical value of the ideal gas equation of state and van der Waal equation, briefly explain the reason for the difference.
2.Determine the specific volume (or density)of saturated vapor and saturated liquid at different pressures and the corresponding relationship between saturation temperature and saturation pressure .The process of condensation and vaporization and the phenomenon of vapor-liquid ambiguity near the critical state were observed
3. Determine the corresponding relationship between carbon dioxide saturation temperature and saturation pressure.

主要附件及配置

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