【摘要】 为了高效精确地对海洋沉积物热导率进行探测,对热脉冲双探针测量理论-DPHP(dual-probe heat-pulse measure-ment theory)理论,以及基于该理论的测量系统的设计和检测技术进行了深入地研究.在此基础上,设计了一种方便灵活的微型热导率原位测量探头,该探头直径仅为2.5cm,长20cm.经过在实验室验证,其平均测量速度40s,热导率精度可以达到0.05.测量速度和精度有了较大提高.更多还原

【Abstract】 In order to detect sea sediment heat conductivity efficiently and accurately,DPHP(dual-probe heat-pulse measurement theory) and the design and detection technology of measurement system grounded on DPHP were studied.Based on these researches a kind of subminiature measurement probe on heat conductivity is designed,which is very agile and convenient.The probe diameter is only 2.5cm,and the probe length is 20 cm.The experiments show that the average measure time is less than 40s;the heat conductivity is 0.05 in precision.Its speed and precision was highly improved.更多还原