摘要：【中文】本申请实施例提供一种光电复合缆及光通信系统，涉及光通信技术领域。光电复合缆，包括：呈线状的导体；光纤；外护套，外护套紧贴包覆在导体和光纤的外部，且导体和光纤并排布设。本申请实施例提供的光电复合缆及光通信系统在保障能够形成相分离的光缆和电缆的前提下，结构简单，制造工艺简化，且会减小光电复合缆的横断面的面积。 【EN】The embodiment of the application provides a photoelectric composite cable and an optical communication system, and relates to the technical field of optical communication. An optical-electrical composite cable comprising: a conductor in a linear shape; an optical fiber; and the outer sheath is tightly attached to and covers the outer parts of the conductor and the optical fiber, and the conductor and the optical fiber are arranged side by side. The photoelectric composite cable and the optical communication system provided by the embodiment of the application have the advantages that the structure is simple, the manufacturing process is simplified, and the area of the cross section of the photoelectric composite cable can be reduced on the premise that the optical cable and the electric cable which are separated can be formed.

摘要：【中文】本发明一种超临界二氧化碳压缩机试验的相似模化方法，首先，根据几何相似准则，通过同比缩放获得试验模型几何参数。然后，依据不同工质间的流动相似性准则，保证主要准则数一致，获得空气工质压缩机的转速、进口压力、进口温度、流量等运行参数，开展试验研究，获得试验数据。其次，根据性能转换准则推导出超临界二氧化碳压缩机压比、等熵效率、应力载荷以及泄漏流量等性能参数。最后，改变运行工况，评估超临界二氧化碳压缩机不同运行工况下的综合性能，验证超临界二氧化碳压缩机的变工况性能。采用本发明的模化方法可以显著降低超临界二氧化碳压缩机试验系统的复杂度和试验台搭建难度，节约试验成本，缩短超临界二氧化碳压缩机的产品研发周期。 【EN】The invention relates to a similar modeling method for a supercritical carbon dioxide compressor test. Then, according to the flow similarity criterion among different working media, the main criterion numbers are ensured to be consistent, the operating parameters of the air working medium compressor such as the rotating speed, the inlet pressure, the inlet temperature and the flow are obtained, experimental research is carried out, and experimental data are obtained. And secondly, deducing performance parameters such as the pressure ratio, the isentropic efficiency, the stress load, the leakage flow and the like of the supercritical carbon dioxide compressor according to a performance conversion criterion. And finally, changing the operation condition, evaluating the comprehensive performance of the supercritical carbon dioxide compressor under different operation conditions, and verifying the variable condition performance of the supercritical carbon dioxide compressor. By adopting the modeling method, the complexity of the supercritical carbon dioxide compressor test system and the test stand building difficulty can be obviously reduced, the test cost is saved, and the product research and development period of the supercritical carbon dioxide compressor is shortened.