Apparatus and method for measuring critical filling pressure
科技资源标识
CSTR:11738.16.NCDC.XDA14.PT4555.2024
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摘 要
The present disclosure provides an apparatus and a method for measuring the critical filling pressure. The apparatus for measuring comprises: a critical filling pressure, characterized in comprising a micro advection pump, an intermediate container, a pressure sensor, a monitoring module and a core holder, wherein: the core holder is used for holding an impermeable object for calibration and a core to be measured; the micro advection pump is connected to one end of the intermediate container through a first pipe, for injecting first liquid into the intermediate container at a preset flow rate; the other end of the intermediate container is connected to the core holder through a second pipe, for injecting second liquid into the core holder, and the pressure sensor is connected onto the second pipe between the intermediate container and the core holder; the monitoring module is electrically connected to the pressure sensor, and is used for monitoring in real time the pressure of the pressure sensor that varies with time when an impermeable object and a core to be measured are held in the core holder. The present disclosure can quickly and accurately measure the critical filling pressure of a core, with a measurement result thereof having a very small error compared with an actual value.
罗晓容,闫建钊,张立宽,雷裕红,杜永琳,刘乃贵. Apparatus and method for measuring critical filling pressure. National Cryosphere Desert Data Center(http://www.ncdc.ac.cn), 2024. https://cstr.cn/CSTR:11738.16.NCDC.XDA14.PT4555.2024.
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CSTR:11738.16.NCDC.XDA14.PT4555.2024