主射流 meaning in Chinese
main jet
main power jet
power stream
Examples
- So this dissertation studies the microjet flow field and the synthetic flow field of the microjet and the mean flow by numerical simulation
本文对微射流及其与主射流的合成流场进行数值模拟和机理分析，为微射流技术的工程应用研究打下基础。 - The elementary flow structure is a mixed structure of the main jet section and the swirl software . the boundary section is a strong turbulent cut section . the main jet mainly dissipates the energy in this section
主射流机诫能的传递、再分配和消散过程中，紊流脉动所提取的能量最多，其次h漩涡所吸收的能量。 - According to the characteristics of the microjet and the synthetic flow field , the unsteady , two / three dimensional , compressible n - s equations were used for the flow field simulation . time - accurate solutions to n - s equations were obtained by the implicit approximately - factored ( af ) finite - difference algorithm
通过对微射流与主射流合成流场的深入分析，分别建立了微射流作动器二维、三维可压外流场控制方程以及二维微射流与主流合成流场的控制方程。 - These measures are as follows : shorten the primary wind intervals to improve thermal load of the burner ; reduce the size of hypothetical circle of contact to prevent the flame from splashing ; use nozzles with larger height / width ratio to increase the effusive rigidity , so as to increase the jet flow depth of secondary wind into the main jet flow ; use a higher primary wind velocity to increase its jet flow rigidity ; use a special flame holder structure of the primary nozzle , so as to improve
这些技术措施主要有:缩小一次风间距以提高燃烧器区域热负荷;缩小假想切圆防止火焰刷墙;采用高宽比较大的二次风喷口以增加射流刚性,提高二次风射流进入主射流的深度;采用较高的一次风速来提高一次风射流刚性;一次风喷口采用特殊稳燃结构;提高下二次风的托粉能力。 - Analysis indicates the " low pressure closed reticular flow region " results in the non - equilibrium of pressure along the primary jet ' s orifice . to obtain as large vectoring angle as possible , the optimal ranges of angles , frequencies , velocity amplitudes , and distances from the microjet actuator to the primary jet exit were discussed . the relationship between the vectoring angle of the primary jet and the phase - difference of two adjacent actuators was analyzed
分析了“拉”模型单作动器模式下，微射流作动器的入射角度、驱动频率、速度幅值及与主射流间的距离对主射流偏转程度的影响，并确定了作动器工作参数的最佳范围;分析了“拉”模型双作动器模式下，不同的相位差对主流偏转程度的影响。