Er Lang Shan Tunnel,adopting the semi-transverse ventilation system for the first time in China,is characteristic of extensive length,high altitude,multivariate climate,two-way traffic and complex wind stream.
运用CFD软件模拟该隧道半横向通风系统的局部空气流动状态、隧道及竖井和联接风道的局部阻力特性,得出各种几何结构型式和不同通风流量条件下,用于一元流模拟模型计算的局部阻力系数。
downcast and uptake ventilator
下向和上向通风筒吸排气两用通风机
Connect the vent hose to the axle shaft tube.
向主动轴管上连接通风管。
supply with a brattice, to ventilate mines.
装上矿井通风用的风幛。
The direction from which the wind blows.
迎风面，上风面对着风吹来的方向
Model of Critical Velocity for Fire Ventilation in Horizontal Tunnels
水平隧道火灾通风纵向临界风速模型
The comparison those estimated from numerical simulation with real data shows the agreement largely in wind direction and in the true wind speed.
通过数值模拟和实际算例计算表明反演结果在风向、风速上都与真解是吻合的。
A passage for drawing up smoke or air.
上风井，上风烟道发散烟或空气的通道
were oblig'd to slip and run away to Sea,
不得不随风向海上飘去；
To change the course of(a ship)by turning the stern windward.
使顺风通过把船尾转向风改变（船）的航向
A weather-vane surmounts the spire/The spire is surmounted by a weather-vane.
风向标装置在尖塔上[尖塔上装有风向标].
So he scraped and scratched and scrabbled and scrooged and then he scrooged again and scrabbled and scratched and scraped, working busily with his little paws and muttering to himself,‘ Up we go!
这地道，直通地面上的碎石子大车道，而这车道是属于那些住在通风向阳的居室里的动物的。
an inshore breeze; an onshore gale; seaward winds.
来自海上的微风；来自海上的大风；向岸风。
winds blowing from west to east and lying above the trade winds in the tropics.
在热带在贸易风之上从西向东吹的风。
Experiment on regularity of displacement ventilation system with high sidewall outlet
侧墙上置风口置换通风规律实验研究
To change the course of a ship by turning the stern to the wind while advancing to windward;wear ship.
顺风转向在向着风的方向前进时，通过使船尾转向风来改变船的航向；船张挂旗
a stroke normally made in an upward direction.
通常从下向上写的笔划。
The path ascends to the mountain village
这条小路向上通到山村。
a retractable fin keel used on sailboats to prevent drifting to leeward.
帆船上用于防止向下风向漂流的鳍板。