浮力
- buoyancy;buoyance;buoyant force;floatage
-
[buoyant force] 流体对放在它中间的物体所产生的向上的力
-
可以给潜水衣充气以增大浮力。
Air can be pumped into the diving suit to increase buoyancy .
-
浮力对V型火焰张角的影响
Effect of buoyancy on laminar V-shaped premixed flame angle
-
盐水比淡水浮力大。
Salt water is more buoyant than fresh water .
-
采用k-ε两方程湍流模型及SIMPLE算法对二维平面射流和三维空调房间内的非等温浮力射流进行数值模拟。
The k - ε two-equation turbulence model and arithmetic of SIMPLE are adopted to simulate the flow field .
-
X射线粉末衍射实验确定所获BaWO4晶体的结构属于四方晶系,空间群I41/a。通过浮力法测得其密度为6.393g/cm3。
The cell parameters of BaWO_4 crystal were measured by X-ray powder diffraction .
-
磁浮开关磁阻电机悬浮力的反馈线性化PID控制
Axial Suspending Feedback Linearization PID Control for Magnetic Suspending Switched Reluctance Motor
-
浮力修正的k?ε双方程模型可以用于实际工程的模拟计算。
The k ? ε turbulent model with adding buoyancy revising item can be used in simulation calculation of practical engineering .
-
在对样品的分析测试中,主要包括超导电性的测试和其悬浮力的测试,以及介绍了超导转变温TC测量原理、超导悬浮力测试原理。
The analysis tests of sample mainly included the superconductivity test and levitation force test .
-
EMS型磁浮列车驱动力和悬浮力的计算新方法
New computational method of driving thrust and lift force for EMS maglev vehicle
-
浮力调节系统在作业型AUV上的应用研究
Applied research of the buoyancy regulating system on work AUV
-
二阶矩湍流燃烧模型的考虑浮力的DNS及LES检验
DNS with buoyancy force and Les validation of the second order moment turbulent combustion model
-
分析了无轴承开关磁阻电机(SRM)径向悬浮力产生原理。
Principle of producing radial force in bearingless switched reluctance motor ( SRM ) is !
-
YBCO超导块材磁浮力的测试与分析
Levitation Force Measurement and Analysis for YBCO Superconductor
-
熔融生长YBCO大块超导体磁悬浮力的测试及分析
Test And Analysis Of The Magnetic Suspension Force Of A Melting Grown YBCO Superconductor
-
用OH-PLIF研究浮力对预混V形火焰的作用
A study of buoyancy influence on premixed V-flames by using oh-plif
-
采用kε双方程模型,结合混合有限分析方法对横流中三维圆形垂直热水浮力射流进行了数值模拟。
The k - ε model is applied to establish the mathematical model of vertical round buoyant jet in cross-flow and it is solved using the Hybrid Finite Analytic Method ( HFAM ) .
-
一种新型深海海洋平台&几何形Spar和集成浮力桶的试验研究
Experimental study on a new type of deep sea platform & Geometric Spar and Integrated Buoyancy Can
-
单摆法测重力加速度是物理学中一个传统的实验,方法简单易操作,且容易测得较精确的g值(在不考虑空气浮力、空气的粘滞阻力、lr及θ角较小的情况下)。
Modify expressions of single-pendulum method measure gravity acceleration is one tradition experiment of physics , method simple and operation even measure to obtain accurate " g " .
-
单畴YBa2Cu3Oy(123)(YBCO)超导体晶粒取向对磁悬浮力的影响
Grain-alignment and its effect on levitation force of melt processed YBa_2Cu_3O_y ( 123 ) ( YBCO ) single-domained bulk superconductors
-
经氯化铯梯度离心测得该重组蛋白的浮力密度与HAV空壳一样。
The buoyant density of the recombinant protein detected by cesium chloride gradient centrifugation was similar to that of HAV capsid .
-
结果表明,CuO纳米颗粒可导致鲤鱼行为异常如粘液分泌增加、浮力控制异常和活性降低。
The results indicated that CuO nanoparticles could cause the behavioral change of carp such as increased mucus secretion , less general activity and loss of equilibrium .
-
模型不仅在控制方程中计及了密度变化,而且在控制方程中加进了浮力项,并对湍流Schmidt数也作了浮力修正。
In the control equations of the model density variation is considered . The buoyancy terms in the control equations are included . Buoyancy revision of Schmidt number also be carried out .
-
以焊接结构车间的焊接气溶胶扩散过程为研究对象,应用计算流体力学湍流理论,选择包含浮力项的三维N-S方程以及κ-ε方程模式建立了焊接气溶胶扩散的数学模型。
Based on turbulence theory of hydrodynamics , threedimensional turbulence field equations were established with the use of N-S equation and κ - ε model to investigate the welding aerosol diffusion process in welded structure workshop .
-
1882年由PaschalPlant设计软木泳衣,这件泳衣由网状布料和表面软木填充物组成,软木良好的浮力可以让游泳者浮在水中漂浮。
A cork swimming suit patent designed by Paschal Plant in 1882 . The clothing item consisted of mesh or netted fabric with cork applied to the surface . The buoyancy of cork allows the swimmer to float on water .
-
采用Fukui-Kaneko模型、Patankar有限体积法和矩形网格离散控制方程,对滑块产生的气浮力进行了数值求解。
The Fukui-Kaneko model , Patankar finite volume method , and rectangle grids were used to compute the air pressure .
-
对于南海北部深水区冬季局地风应力与浮力通量的作用相反量级相同,黑潮对南海北部SSH的控制作用在冬季显得最重要,约占50%~80%;
SSH is positive in deep water region of the north of 18 ° N throughout the year ; in winter , in deeper water area the effect of local wind stress and buoyancy flux is opposite effect on the SSH but the same in value ;
-
实验结果表明,修正格拉斯霍夫数(Grashof)G>100时,浮力振型破碎并在最大速度点附近形成湍流层;
Experimental results show that the turbulent layer near the maximum velocity point can be detected while the reformed Grashof number G > 100 and after the buoyancy eigenmode crashes down ;
-
论证了张力腿平台(TLP)在波浪作用下发生有限振幅运动时,所受惯性力、粘性力、浮力等载荷不仅与波浪场有关,还与瞬时响应有关,是响应的非线性函数;
It is demonstrated that when tension leg platform ( TLP ) moves with finite amplitude in waves , the inertia force , the drag force and the buoyancy acting on the platform are nonlinear functions of the response of TLP .
-
板片窗往往形成于小于10Ma左右具浮力的大洋岩石圈俯冲时期。
A slab window often forms at the subduction time of negative buoyant oceanic lithosphere of less than 10 Ma in age .
-
传统的EMS型磁悬浮系统在结构上简单可靠,而且在技术上已经相当成熟,但是由于悬浮力全部由电磁铁来提供,因而电流和功耗都很大,而且影响悬浮气隙的进一步增大。
The structure of traditional electro magnetic suspension ( EMS ) system is relatively simple and reliable . While the suspension power is very great , which would affect the increase of the suspension air-gap , for all the suspension force is provided by the windings of the electromagnetic iron .