Because the complete frozen time is one of the factors that influence the performance of icestorage air-conditioning,theoretical models were set up for these two modes-annulus icing and uniform ice-water mixtures icing to compare their complete frozen time.
环状结冰和形成均匀冰水混合物成核相变结冰是冰蓄冷空调水结冰过程的两种主要方式。
The roughness effect based on the wall function method is introduced into the numerical simulation of the rime ice accretion and the resulting effect on the aerodynamic performance of the airfoil.
在霜状冰结冰过程及结冰对机翼气动特性影响的数值模拟中,基于壁面函数法引入了粗糙度影响,结合欧拉坐标系下空气-过冷水滴两相流动控制方程的计算,文中以NACA0012为对象进行了霜状冰结冰过程的数值模拟,并把计算得到的冰形与试验数据及国外的结冰预测软件的结果进行了对比。
Incorporating the two-phase model of air-supercooled droplets in the Eulerian coordinates,this technique was applied to simulating the process of the rime ice accretion (the droplets freeze at the instant impinging on the airfoil) on the NACA 0012 airfoil,and the ice profile after ice accretion was achieved successfully.
提出了一种处理结冰后结冰表面固壁区域移动的移动边界技术,结合欧拉坐标系下空气-过冷水滴两相流动控制方程的计算,对霜状冰的结冰过程进行了数值模拟,得到了NACA0012机翼在0°和4°攻角下机翼表面结冰后形成的冰形,与文献中的实验数据对比,表明本文的方法是可行和有效的。
Under the climate condition of low temperature(<0℃),thick fogy and heavy polluted atmosphere,rime ice mixed with filthy matters will be formed on the surface of roof insulators of the moving electric locomotives and EMUs.
在低温(低于0℃)、大雾、高污染的特殊气候条件下,电力机车或动车组运行过程中车顶绝缘子表面形成夹杂着污物的霜状冰,达到一定厚度的覆冰融化后降低绝缘子表面的绝缘电阻,可导致绝缘子闪络。
Incorporating the two-phase model of air supercooled droplets in the Eulerian coordinate,this approach was carried out to simulate the ice accretion on the NACA 0012 airfoil under different atmospheric conditions,and the final ice shapes(rime,mixed and glaze ice shapes) were predicted.
结合欧拉坐标系下空气-过冷水滴两相流动控制方程的计算,对不同气象条件下飞机机翼的结冰过程进行了数值模拟,得到了4°攻角NACA 0012翼型表面霜状冰、混合冰及瘤状冰3种冰形。
A numerical simulation approach taking the wall roughness effect into account was presented to simulate the glaze ice accretion.
提出了一种可考虑粗糙度影响的瘤状冰结冰过程数值模拟方法。
Effect of Rime Ice Accretion on Roof Insulation Performance of Electric Locomotives
霜状冰对电力机车高压外绝缘的影响
You do not have to defrost this refrigerator because it is equipped with an automatic defroster.
你不必替这个冰箱除霜，因为它配有自动除霜器。
removes ice or frost (as from a windshield or a refrigerator or the wings of an airplane).
除去挡风玻璃或电冰箱或机翼上的冰霜的装置。
Mars has a north pole and a South pole covered with white frost.
火星有冰霜覆盖着的南极和北极。
the formation of frost or ice on a surface.
在物体表面形成霜或冰的过程。
defrost the fridge, the car windscreen
给冰箱、 汽车挡风玻璃除霜.
Out of whose body came the ice? and who gave birth to the cold mist of heaven?
冰出于谁的胎?天上的霜是谁生的呢?
After the heavy frost the road is a sheet of ice
浓霜过後,路面结了一层冰
After the heavy frost the road be a sheet of ice
浓霜过後, 路面结了一层冰
The snow, frost, and hail return.
白雪、寒霜和冰雹又回来了。
Thing placed on a part of the body for a period of time, such as a layer of cream or paste for cleansing the skin of the face or a bag of ice for soothing a burn
一时敷於身体之物（如润面霜、冰袋）
The snow, the frost, and the North Wind invite the hail.
白雪、寒霜和北风又邀请了冰雹来玩。
After the heavy frost the road was a sheet of ice .
浓霜过后，路面结了一层冰。
I know! Let's defrost the fridge first .
我知道了！ 我们先给冰箱脱霜吧。
Catherine had been ice up to this moment.
凯瑟琳至此可说是冷若冰霜。
There was something frozen about him.
他身上总象有一股凛若冰霜气息。
No matter how he admires her, she won't give him a tumble.
不管他多爱慕她，她对他仍冷若冰霜。
Teachers should not treat their pupils coldly.
教师对待学生不应该冷若冰霜。