数值计算

To analyze the aerodynamics performance of a wind turbine blade, the viscous fluid 2-D calculating model is used. The characteristics of a wind turbine, a fluid pump, and a throttle are analyzed.

并在实验与数值计算的基础上，分析了风力机，流体升压泵，节流器的特性，还对联机构成风力致热系统时的性能匹配与变工况特性进行了分析研究。

The numeric resultS for two different taper profiles in step-index fiber show that the couplings to the reflected mode and the high-order modes are relatively small provided the change is gradual, and the fundamental mode has the capability of excellent transmission which can adjust itself adiabatically to the reflective index change.

对阶梯折射李光纤两种不同折射率Taper结构的数值计算结果表明：在折射率变化相对缓慢情况下，这种折射率Taper耦合器的基模反向散射和向高阶模的耦合都很小；基模能够自适应地调节以适应波导折射率的渐变，具有优良的传输性能。

Particle heating in plasma jets was studied by computation, and some applicational studies of AlN have been made.

用数值计算方法模拟了颗粒在等离子体中的加热，并且对铝粉在等离子体中的加热和氮化铝的一些应用特性进行了实验研究。

Treating the anharmonic terms of potential energy as perturbations,and employing the formulas for atomic displacements and Hamiltonian in phonon occupation number representation ,the formulas for thermal expansion coefficients of crystal nano-wires are derived and the numerical calculations are carried out in this paper.

将原子间相互作用势的非谐项作为微扰，运用声子数表象中的晶格原子振动位移和晶格振动哈密顿公式，推导了纳米晶体线的热膨胀系数公式，并进行了数值计算。

As a numerical example, the propagation properties of a Lorentz beam through an apertured misaligned thin lens are investigated numerically.

作为数值计算的例子，运用所得到的公式分析了洛伦兹光束经带光阑失调薄透镜的传输特性。

In the dissertation, we presented a method to calculate the start oscillation length and real starting asynchronous velocity parameter. In the meantime, when the effect of two or more azimuthally asymmetric space harmonics in the high power broadband helix TWT on the start oscillation length and real starting asynchronous velocity parameter were also analyzed.

数值计算表明：增大渐变的强度，就可以增加起振长度，而且当渐变的强度增大到一定值时就不会产生返波振荡；当衰减器靠近输入段时，起振长度就随之减小；当增大衰减器的长度或减小衰减量时，相对起振电流随之减小，可见衰减器对起振条件确实有明显的影响。

In order to analyze the effects of support backfilling, four different numerical calculation modules were established comparison.

为了分析巷道支架壁后充填的效果，建立了4种不同的数值计算模型进行比较。

The study of the bearing characteristic, the deformation mechanism and the bearing behavior of large diameter belled pile in deep soft soil has been expanded from analysis of field test data, analytic study and numerical calculation.

本文基于实测数据分析、解析研究及数值计算等方法，对深厚软土地基中大直径扩底桩单桩的承载变形机理及承载性状开展了研究工作。

Second, it accomplishes numerical computation at different ignition temperature and combustion time of different coal quality in calciner.

本文的特色在于：一方面，针对水泥分解炉工况，首次在国内系统而全面的研究了煤的燃烧特性及相关规律；另一方面，实现了分解炉内不同煤质的着火温度和燃尽时间的数值计算，从而使水泥分解炉内，煤的燃烧理论研究朝着工程应用的方向迈进。

The interior flow of pump is the quite complicated turbulent flow. It is affected not only by the circumrotation and the surface curvature of impeller, but also by the sandy materials, even has the backflow and disengaged flow. They are one of the rather complicated numerical calculations in the fluid engineering field.

离心泵的内部流动是很复杂的湍流流动，同时由于受旋转、叶片表面曲率和泥沙颗粒的影响，还拌有脱流、回流等流动现象，是流体工程中较难的试验研究和数值计算问题之一。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。