| 1. | Voidage is a relatively simple matter to determine experimentally .
空隙度是比较容易地用实验方法来确定的。 |
| 2. | Study on algorithm of electrical capacitance tomography for voidage measurement of gas - oil two - phase flow
用于油气两相流空隙率测量的电容层析成像量化新算法研究 |
| 3. | On the basis of the new hybrid image reconstruction algorithm , some experiments of global voidage measurement of gas - liquid two - phase flow were carried out
将组合型量化图像重建算法应用到气液两相流的空隙率测量中。 |
| 4. | Experimental results show that the total measurement time is less than 0 . 1 second and the maximum error of voidage measurement is less than 6 %
实验结果表明摘要一在0 100测量范围内空隙率测量最大误差可小于6 ，得到一个空隙率测量值算法耗时小于0j秒。 |
| 5. | Voidage measurement and flow pattern identification technique are two important research fields in the two - phase system . on the basis of ect technique ( electrical capacitance tomography )
因此两相流的空隙率测量和流型辨识是该领域中的两个重要研究方向。 |
| 6. | The advantages of this method were that the measurement results were n ' t affected by flow regime and the speed was faster than the conventional voidage measurement method by reconstructed ect image
按三种流型建立模板库，通过先进行流型的分类，再进行模板匹配的方法，减少了三分之二的运算量，大大加快了计算速度。 |
| 7. | The voidage of the electrode was improved and the three phases boundary was ameliorated by the thermal annealing process of air electrode , and the performance of catalyst was improved as a result
并通过电极热处理工艺，明显提高电极孔隙率、改善三相界面，提高了催化性能。采用稳态极化曲线测试方法研究sr的掺杂对la _ ( 1 - x ) sr _ xmno _ 3催化性能的影响。 |
| 8. | The voidage measurement of two - phase flow is very important for safety , environment protection , energy conservation and quality assurance in industry . meanwhile , heat transfer , mass transfer and the measurement accuracy of other two - phase flow parameters depend on the flow pattern
两相流的不同流型不但影响两相流的流动特性和传热传质等性能，而且影响两相流系统其它参数的准确测量，两相流流型的准确辨识对两相流系统有重要的意义。 |
| 9. | ( 3 ) based on ect sensor and pattern recognition theory , a new method was proposed for voidage measurement of gas - liquid two - phase flow . one of three template databases was selected by flow regime classification . the voidage was obtained by template matching with euclid distance measure
( 3 )基于ect传感器，结合模式识别理论，提出了一种新型的气液两相流空隙率测量方法，利用欧氏距离测度对一组测量值进行模板匹配，从而得到该组测量值所对应的空隙率值。 |
| 10. | The voidage measurement and flow pattern identification technique of gas - liquid two - phase flow were studied . experimental results show that the developed measurement technique is effective . the main works are listed as the following : a new hybrid image reconstruction algorithm which combines tikhonov regularization theory with sirt ( simultaneous reconstruction technique ) algorithm was presented
本文基于电容层析成像技术( ect - electricalcapacitancetomography ) ，对气液两相流的空隙率测量和流型辨识方法进行了研究，并通过实验进行了验证，得到了一些有益的结论：提出了一种基于tikhonov正则化原理和sirt ( simultaneousreconstructiontechnique )算法相结合的组合型量化图像重建新算法。 |
