the performance curves are important for evaluation of a compressor performance and significant for research on trends and formation mechanism.
性能曲线是评价压气机性能的重要指标,对其变化趋势及形成机理的研究具有重要意义。
analyzing the performance curves of pumps and network in a variable flow pumping system, concluding the influence factors of energy saving and the optimal ranges of variable frequency drive (vfd).
通过分析变频水泵及管网系统在变工况下的特性曲线,得出影响水泵变频节能效果的主要因素和变频调速的适用范围。
based on the theory of the design of the optimum quantizer , the gaussian-distributed sources are optimized with scalar quantization to obtain the performance curves of gaussian source.
在对量化器优化设计的理论分析的基础上,以高斯分布特征的信源进行了最优标量量化,并得到了性能曲线,与香农率失真定理指出的理论下界进行了对比。
the performance curves directly reflect the running status of reciprocating pump and its features; the traditional drawing method has the characteristics, a great deal of work and low efficiency.
性能曲线可直观地反映往复泵运行工况及其特性,传统的绘制方法工作量大,且效率低。
compared with the conventional axial compressor, the performance curves of the ram-rotor are vertical to the axis of mass flow rate.
与常规轴流压气机不同,旋转沖压压缩转子的特性曲线垂直于流量坐标轴;
in this paper, the performance curves of axial-flow fans and centrifugal fans are analysed and compared, and the real-time simulation model of axial-flow fans is established.
对轴流风机和离心风机的运行特性进行了详细的分析和比较,首次提出了轴流风机的实时仿真模型。
it is very important to describe the performance curves of centrifugal compressor by mathematical model accurately for the automatization design and management of gas transmission trunk line.
对于输气干线的自动化设计和管理来说,用準确的数学模型描述离心压缩机的特性曲线至关重要。