The axial velocity and stagnation point offset of two opposed jets coming from two asymmetric nozzles oppositely located with large separation distance were studied by using hot-wire anemometry ( HWA). 采用热线风速仪对大喷嘴间距下两不对称喷嘴形成的对置撞击流的轴线速度分布和驻点偏移规律进行了实验研究。
Power cabinet can be placed beside the inductor, properly adjust the position to operate conveniently, but the separation distance should be short as much as possible. 电源柜可放置在感应器的旁边,适当调整位置以方便操作,但间距尽可能的小。
Stagnation Point Offset of Two Asymmetric Nozzle Opposed Jets with Large Nozzle Separation Distance 大间距两不对称喷嘴对置撞击流驻点偏移规律
The world's most terrible word not separation, but distance. 世界上最可怕的词不是分离,而是距离。
Algorithm for the All-Time Apparent Resistivity of LOTEM Method Stagnation Point Offset of Two Asymmetric Nozzle Opposed Jets with Large Nozzle Separation Distance 均匀半空间长偏移距TEM法全区视电阻率的数值计算方法大间距两不对称喷嘴对置撞击流驻点偏移规律
Study on Interior Fire Separation Distance Design Approach and Case Validation 建筑物内部防火间距设计方法与案例研究
The main factors which affect the shrinkage of regular acrylic top are the steam pressure and speed of stretch-breaking machine, breaking length of fibre and recut separation distance of top mixing gill box, in which the steam pressure plays the most important role. 探讨了影响腈纶正规条缩率的主要因素,如拉断机汽蒸压力、车速、拉断长度、混条机再割隔距,其中拉断机汽蒸压力对正规条缩率影响最大。
Theoretical calculation shows that the sun phase angle, observation distance and the brightness magnitude of the targeted satellite change significantly because of no earth curvature effect and large separation distance in position. 仿真计算表明,天基观测由于不受地球曲率影响,且观测几何拉开,太阳相位角、观测距离变化范围较大,因此目标卫星视星等变化范围较大。
When the separation distance is small, the region between two stages is filled with dead water flow, the bottom drag of forebody is negative, the typical afterbody effect phenomenon occurs. 级间距离较小时,级间区为死水区,前体阻力为负,出现典型的后体效应现象;
By UMA measure, minimum error criterion is quantitatively analysed and compared with the bi-modal histogram method and the maximum class separation distance criterion in segmentation quality. 利用UMA测度对最小误判准则、双峰准则、最大类间距准则等三种算法在分割质量上的差异进行了定量地分析和比较。
Intense attaction between the oil drop and particle occurs at a separation distance of about 60& 80 nm and finally adhesion is expected to occur. 结果表明,当考虑疏水作用势能时,疏水矿粒与油珠在相距约60~80nm时,两者之间开始出现强烈的吸引力,并最终发生粘附现象。
The relations between lines and affine sets and separation theorems with distance property 直线与仿射集的关系及距离性分离定理
The separation distance between the nozzle and the resonance tube and the feed pressure of the driving gas were the main considerations. The validity of N-S equations, the distribution of flow parameters and aerodynamic force and the relation between axial force and separation distance have been analyzed. 实验中主要考虑喷嘴与谐振管间的分离距离以及供气压力的变化。分析了流场参数分布、气动力分布特性及轴向力随分离距离变化情况。
For Z_type films, the dependence of molecular aggregation state on the structure parameters, i.e. separation distance a, separation between two adjacent layers d, molecular orientation θ, and layer number g, were studied by applying our model. 讨论了X型或Z型膜中分子间距、层间距、分子取向、膜层数等结构参数对分子聚集行为的影响。
The jet penetration height, the separation distance, the separation boundary and the pressure coefficient within the separation region are estimated, and the 3-D correction is also adopted. 该模型可计算喷流穿透高度、分离区长度、二维分离区边界、分离区平台压力系数,并可对分离特性进行三维修正。
The study results of this paper can be used to guide the utilization of the late poured band in large scale plate-type concrete structures, and provide useful methods in analysis of temperature, stress and the setting separation distance of the late poured band. 本文的研究成果可以用来指导后浇带在大尺度板式钢筋混凝土结构中的应用,也为分析后浇带温度、应力和设置间距提供了可借鉴的方法。
In this paper, the method for the optimal gray threshold is given, which is based on the maximum class separation distance criterion of pattern recognitive decision theory. 利用基于模式识别决策理论的最大类间距准则,给出了求解最佳分割灰度门限的方法。
The major contribution to the mutual reactance is from the dominant mode, since the higher modes decay rapidly with the increasing the probes 'of separation distance. 由于高次模随着探针之间距离的增加急剧衰减,所以对互电抗的主要贡献来自于主模。
The validity of N-S equations, the distribution of flow parameters and aerodynamic force and the relation between axial force and separation distance have been analyzed. 分析了流场参数分布、气动力分布特性及轴向力随分离距离变化情况。
Through analyzing the nonlinear vorticity advection between two idealized cyclonic vortices, the dynamical mechanism of both the mutual cyclonic rotation and the change of separation distance between two vortices have been revealed. 通过对两个理想涡旋间非线性涡度平流过程的分析,揭示了双涡气旋性互旋及其中心间距变化的涡度平流机制。
However, as the separation distance approaches zero, the higher modes become dominant, which results in a large value of the mutual reactance. 然而当探针之间的距离趋近于零时,高次模起主导作用,产生很大值的互电抗。
The paper discusses the features and fonn mechanisms of small and medium mould strike-slip faults in coal mines, analyses their fracturing effect, highlights mathematical moulds of trend stratum separation distance, which have great applied value for locating lost ledge. 探讨了煤系地层中存在的中小型平移断层的特征和形成机制,并对其断层效应进行了分析,提出了计算其走向断距的数学模型,对于准确寻找断失盘煤层具有很大的实用价值。
However, the concentration limits of detection of MCE are often inadequate for the measurement of low concentration sample, because of the characteristically low injection sample volume, short optical path length and short separation distance. 然而,由于进样体积少、光程距离较短,检测灵敏度不足以满足低浓度样品的分析需要。
This indicated that when the ratio between the conductive yarn diameter and separation distance was less than 1, the VSWR and radiation pattern property will be impaired with the decreasing of the weaving density. 结果表明当导电纱线的直径与间距比小于1时,天线的驻波比和方向图性能会随着导电纱线织造密度的下降而降低。
The angular spread of ChG array beams for the incoherent combination is independent of the relative separation distance of beams and the beam number. 2. 非相干合成的ChG列阵光束的角扩展与相对子光束间距和光束数目无关。
In particular, the influence of turbulence on the M~ 2-factor can be reduced by a suitable choice of the relative beam separation distance. 特别地,相干合成情况下,选取适当的相对子光束间距可以减小湍流对M~2因子的影响。
The steric interaction is dependent on the separation distance between the internal aqueous droplets and the external aqueous phase. the thicknesses of the two adsorbed surfactant layers, the size of the internal aqueous droplets and the oil globules. 空间排斥能由内部水颗粒与外部水相的分离距离、两个吸附层的厚度、内部水颗粒的大小以及外部油滴的大小所决定。
In addition, The angular spread of ChG array beams for the coherent combination exists oscillatory behavior with the changes of the decentered parameter, the waist width and the relative separation distance of beams. However, the oscillatory behavior becomes weaker in turbulence. 此外,相干合成的ChG列阵光束的角扩展随离心参数,束腰宽度和相对子光束间距的变化均出现振荡,但湍流中的振荡减弱。
If the frequencies of the spirals are identical, then depending on the relative rotation direction of the two spirals and their initial separation distance, the two spirals may show complete synchronization, parallel drift, or circular drift. 如果两个螺旋波的频率相同,那么随着两个螺旋波的相对旋转方向以及它们初始距离的变化,它们会表现出完全同步,平行漂移或绕圆圈漂移等现象。
For the coherent combination, the M~ 2-factor of ChG array beams increases with the oscillatory behavior as the beam parameter or the relative beam separation distance increases. 相干合成情况下,M~2因子随离心参数和相对子光束间距的增大呈现振荡上升。