An additive drag perturbation method was used to measure the active drag of the athletes swimming in a pool with the swimming velocities measured before and after adding an additional drag which was recorded.
提出了一种利用微小附加阻力的方法,用于在泳池中测量游泳运动员游进时的动态阻力。
UK and US calculating methods of detached shock wave position and additive drag coefficient, for the example of axisymmetric supersonic inlet, are introduced under subcritical operating condition and Russian method of additive drag coefficient is also provided in the paper.
以二波系轴对称外压式超声进气道为例,说明进气道在亚临界工作状态下的脱体激波位置和附加阻力系数的英美计算方法及俄罗斯的附加阻力系数计算方法,两种方法的计算结果与实验数据的比较表明了该算法的有效性,并对两种算法的特点进行了比较和分析。
3;the additive drag can be turned into additive thrust and total drag decreases about 4.
9%,附加阻力可以转化为附加推力,总阻力可以减少4。
The prediction of transferred resistance has influence on the selection of the tugboat;moreover,the added resistance in wind and wave has influence on the power and speed.
迁航过程中的阻力预报，关系到拖轮的选择；同时，风浪中的阻力增加影响到主机功率和迁航过程中的失速。
A new method named mass and longitudinal road section ispresented in this paper for solving additional resistance of trainworking.
本文提出一种新的求解列车运行附加阻力的质量断面法,它一改视列车为一质点或刚体的传统计算方法,以整个列车长度与所正运行的线路纵断面为对象,建立起质量断面数学模型,在考虑不同列车编组的情况下,求出不同的系数值,从而求得列车各不同运行位置较精确的阻力值。
Additive drag perturbation method for measuring active drag in swimming;
测量游泳动态阻力的附加阻力微扰动法
Study on the Φ(θ) Coefficient of Added Resistance When Slurry Accerlerying in Vertical Pipeline;
垂直管道内沉降性浆体加速时附加阻力系数Φ（θ）的研究
Calculation of Additive Drag of Supersonic Inlet under Subcritical Operating Condition
超声速进气道在亚临界条件下的附加阻力的计算
The Numerical Method for Added Resistance of a Ship Advancing in Regular Waves
船舶在规则波中航行时附加阻力计算的数值方法
Experimental investigation on the aft-body drag reduction of the tractor-trailer truck by aerodynamic add-on device
气动附加装置降低厢式货车后体阻力
Design Of Additional Damped Controller Using LMI in power System
基于LMI的电力系统广域附加阻尼控制
Analysis and calculation of additional stress in foundation soil due to tip resistance of Y-shaped vibro-pile
Y型桩桩端阻力产生附加应力的分析计算
Research on Layout of Inclined Viscous Damping Brace from Additional Column Axial Force
从附加柱轴力探讨斜置阻尼支撑的布置原则
Experimental Study on Regenerative Ability of the Remnant Hepatic Lobe After Liver Resection with Major Hepatic Vein Occlusion in Rats;
大鼠肝切除附加主肝静脉阻断后残余肝脏再生能力的实验研究
Allocation of Supplementary Damping Controller Using Singular Value Decomposition Method
采用SVD方法的附加阻尼控制器配置
The value of additional coefficient of raft roughness is established through the comparative analysis of raft prototype resistance measurement on the spot and relevant model experiment.
通过木排原型阻力的现场测试与相应的模型试验分析对比，确定了木排粗糙度附加系数的数值。
Research of Measurement Technique on Soil Water Content Using a High Frequency Capacitance Based on an Additional Resistance
附加电阻法高频电容土壤水分测试技术研究
Simulation and test on supplementary excitation damping control
附加励磁阻尼控制(SEDC)技术的实验及仿真
Experiment on fast-measurement of soil moisture based on additional resistance method
附加电阻法快速测定土壤含水率的试验
Performance-based seismic design of a structure with supplemental viscous dampers
附加黏滞阻尼器结构基于性能的抗震设计
Design of VSC-HVDC supplementary controller based on wide-area signals
基于广域信号的柔性直流输电附加阻尼控制
A Coordinated Tuning Algorithm for Power System Stabilizer and Supplementary Damping Controller of VSC-HVDC Transmission System
PSS与VSC-HVDC附加阻尼控制器参数协调优化设计
Calculation method for additional equivalent damping ratio of energy dissipation structure
消能减震结构附加等效阻尼比计算方法