forced ventilation

Moreover , the temperature and flow field distribution under forced ventilation are also discussed .

最后探讨了在强制风冷情况下探照灯内的温度场和流场分布。本章内容为提高LED红外探照灯的可靠性和冷却方式设计提供了理论依据。

Forced ventilation is the most commonly used ventilation in the tunnel construction .

压入式通风是隧道施工中最常用的通风方式。

Study on regularity of dust distributing in heading face with forced ventilation

压入式通风掘进工作面粉尘分布规律研究

Numerical simulation of concentration diffusion of harmful gas in heading face with forced ventilation

压入式通风掘进面有害气体浓度扩散数值模拟

Boundary condition of heat field in Rare-earth PM synchronous generator under forced ventilation

强迫通风稀土永磁同步发电机热场的边界条件

On the air flow structure of forced ventilation in tunnels and its effect on dust removal

掘进巷道压入式通风的风流结构及排尘作用的研究

Forced ventilation during culture promoted growth of plantlets .

在培养阶段进行强制通气可促进小苗的生长。

The methods of the forced ventilation and mixed ventilation in TBM construction are compared .

对比分析了TBM施工中一般是采用压入式通风和混合式通风的优缺点和适用条件。

Study on auto-mensuration device of the forced ventilation volume of traction motor

牵引电机强迫通风风量自动测定装置的研制

Discussion on the Experimental Research on Treatment for Air Pollution in Kitchens of Residences by Forced Ventilation

强制通风治理住宅厨房污染实验研究初探

Forced ventilation should be provided when applying paint in confined spaces or stagnant air .

在狭窄处或空气不流通处施工，必须提供强力通风。

Photosynthetic Capacity and Effects of Forced Ventilation on Growth of In-Vitro-cultured Strawberry Plantlets

草莓组培苗的光合能力与强制通气对其生长的影响

Provide adequate ventilation , particularly in roof areas where hydrogen might collect . Forced ventilation may be necessary in some applications .

提供充分的通风，特别是氢容易积聚的屋顶区域。某些应用中强制通风是必要的。

Forced ventilation , such as exhaust fans , should be provided where flammable liquid was stored up or used .

在储存或使用易燃液体的地方提供通风设施，例如抽气扇。

The kind and character of gas treatment are discussed and the forced ventilation type and the application of inactive gas on iron and steel enterprise are also put forward .

探讨了处理煤气方式的分类及特点，提出并归纳了强制通风方式、惰性气体在钢铁企业煤气系统中的应用。

Under the temperature in the working area requested is t lower then 28 # , the needed air temperature for different ventilation flow and rock temperature is calculated for forced ventilation .

对压入式的通风方式，当工作区空气温度的控制要求为t≤28℃，计算出不同通风量和壁温下需要的送风温度。

Under forced ventilation condition , the simulated results fit the cooling target . ( 4 ) The ladder pattern prototype battery pack is designed , and to validate and optimize the design .

从模拟结果看，强制对流条件下，电池的工作温度和温差都能够满足电池散热需要。（4）为了验证设计并改进电池组，进行梯形排列电池组样机实验。

In recent years , tunnel fire disasters have happened with high frequency , and methods to suppress and extinguish fire bring up the higher request , so traditional measures of smoke control by forced ventilation have not already satisfied these requests .

随着近年来隧道火灾事故频发，同时对抑制火灾方法要求的也在不断提高，单纯依靠强制通风排烟措施已不能满足防火需求。

The results show that the smoke velocity at the fire point and in the area behind the fire point increases significantly from 2 min to 8 min after ignition . The increment of velocity varies with forced ventilation and fire load .

试验结果表明，点火后，隧道内火区、火区下游烟流速度在2～8min内增加很快，明显大于点火前风速，且其增幅随通风风速、火灾规模的不同而变化。

The results suggest that a longitudinal forced ventilation of 2 ~ 3 m / s should be established as soon as possible to prevent back-flow of hot smoke in case fire breaks out in a tunnel that prohibits tank trucks .

试验结果建议对于一般的限制或禁止油罐车通行的隧道，火灾时，隧道内应尽快建立起2～3m/s的纵向风流以抑止烟气的逆流。

The wind duct has an air leakage rate per hundred meter of only 3.67 % , and when used for forced ventilation , it has remarkable advantages and is worth popularization . But it cannot be used as wind extraction duct under the intensified ventilation conditions .

风筒的百米漏风率只有3.67%，这种风筒作为压入式风筒使用时，具有很明显的优点，值得推广，但是在强化通风的条件下，不能作为抽出式风筒使用。

By means of selecting forced ventilation and natural ventilation , and adjusting the flow of geothermal water , quantities of new wind and return wind , the rational matching and mutual complement of geothermal energy and solar energy are realized and the demands under different conditions are satisfied .

该装置通过强制通风和自然通风的选择，地热水流量的调节，新风风量和回风风量比例的调节，在干燥过程中实现了低温地热能和太阳能的合理匹配与互补，满足了不同工况的要求。

Numerical Simulation of Airflow Pattern at Working Face with Forced Auxiliary Ventilation

压入式局部通风工作面风流分布数值模拟研究

This article introduces monitering results in experiments of air pollution produced in residential kitchens . The pollutant constituents are CO , NO_2 and other dust particles . For this an approach has been made by application of forced air ventilation to improve the condition of air pollution in kitchens .

本文对住宅厨房在进行炊事活动中产生的空气污染进行实地监测结果作了介绍，这些污染物是CO、NO2及飘尘，并对如何应用强制通风方法治理污染作了初步探讨。

Results In the group A , there were 9 cases ( 90 % ) forced to accept invasive ventilation , and the percentage was significantly higher than that in group B ( P0.05 ) .

结果A组有9例最后接受有创通气治疗（90%），共4例死亡（40%）；