National standard for Fan-coil unit, namely GB/ T19232-2003 has definitely regulated the normative addenda of the unit air flow rate experiment method, and cooling capacity experiment method. 风机盘管机组国家标准,即GB/T19232-2003中明确规定了机组风量、供冷量试验方法的规范性附录。
When the cooling air flow rate is greater, there is no an obvious core fluid rotation formed in the cavity. 当冷却气体流量较大时,盘腔内不能形成明显的旋转核心。
In this paper effect of air temperature, air flow rate, air duct size and distance between air ducts on the performance of mixed flow grain dryer were analyzed And discussed. 分析和讨论了空气温度、流速、风道中的风道尺寸对混流谷物干燥机的影响。
Electricity Saving Benefit of Replacing Reed Valve by Frequency Conversion Velometer in Air Flow Rate Control 变频调速器代替蝶阀控制风量的节电效益
Low air flow rate will increase the rise of temperature, but total heat transfer will be reduced. 降低空气速度可以提高空气的温升幅度,但是总的吸热量将会降低。
Results indicated that both thickness and loadage of apple slices gave a significant influence on drying rate and productivity, whereas no significant influence of air flow rate was observed. 结果表明,果片厚度和装载量对干燥速率和生产能力均有显著影响,而风速对干燥速率和生产能力影响不显著。
Through experiments of changing the inlet air flow rate, we can adjust the hot air outlet temperature as high as possible, which helps to reduce the heat loss and improve the collector efficiency. 介绍了利用差热分析天平,采用程序升温法对高炉喷吹煤在不同升温速率和空气流量下的燃烧性能进行的实验,分析了升温速率和空气流量对失重率和燃烧特征温度的影响。
This paper shows the theoretical calculation and analysis about net refrigerating capacity under different flow rate of refrigerant and air flow rate, which can supply theoretic. 本文对再循环蒸发器制冷剂流量和配用风机的风量对蒸发器的净制冷量的影响作了理论计算分析,为合理设计再循环蒸发器提供了理论依据。
The utility model has the advantages of air flow area and air flow rate increasing, uniform water distributing and heat transfer and mass transfer effect promoting. 本实用新型可增加空气的流通面积和空气流量,均匀配水,提高传热传质效果。
The higher the air flow rate, the easier the air flow reaching the opposite wall. 流量越大,气流越容易到达对侧炉墙。
Calculation and Analysis for the Leakage Air Flow Rate of Station Screen Door Large crack leak stoppage in hydropower station, Chongqing 地铁站台屏蔽门渗漏风量计算与分析重庆某电站较大渗流量裂缝堵漏处理
With smaller atomizing air flow rate compared to that of other nozzles, this spray nozzle is particularly suitable to being fixed on furnaces used in marginal oil fields. 与其它气动雾化喷嘴相比,这种喷嘴需要的雾化气量小,尤其适用于边际油田或无配套蒸汽锅炉的原油加热炉燃烧器。
Quantitative relationship between the vacuum tightness and the leaking air flow rate into condenser 真空严密性与凝汽器漏入空气流量的定量关系
Proposed in this paper is a new concept concerning the use of variable air flow rate air feeding system in the ice storage assisted air conditioning system. An analytical study is performed of its engineering feasibility. 文中提出了冰蓄冷空调中应用变风量送冷系统的新设想,分析研究了工程可行性。
Meanwhile the effect factors such as treatment time, voltage, air flow rate were discussed. 另外,还讨论了处理时间,槽电压,空气流量对COD去除率的影响。
The bend meter is a more convenient and economical method of measuring air flow rate in existing ventilation systems. 使用弯管流量计是比较方便而又经济的测量通风系统风量的一种方法,这是因为它既是风管的一部份又是流量计。
The influences of inlet toluene concentration and air flow rate on the performance of the adsorber were discussed. 研究了气体进口浓度和表观气速对吸附效率的影响。
This paper demonstrates the thermal stratification and the vertical temperature distribution in a room with the underfloor air supply system, the way to describe and determine the pattern of the vertical temperature gradient and the principles for determining the optimum air flow rate. 本文阐明了下部送风房间热力分层和垂直温度分布规律,给出了确定垂直温度分布曲线的方法及确定最佳运风量的原理。
An example of inerting design was given for a pulverized coal drying process, where the inert gas flow rate can be estimated by recycled air flow rate and air leaking rate. 给出了一个煤粉干燥工艺惰化设计的实例.正常运行时,惰化气体流量可通过循环风量和漏风率估算。
In air conditioning system, an increased outdoor air flow rate improves the indoor air quality but also increases the energy consumption of the fan. 为了解决加大新风量带来的处理能耗增加和室内空气品质提高的矛盾,将溶液全热回收装置和单级喷淋模块结合起来,构建了溶液全热回收型新风机的处理流程。
Optimum air flow rate and air temperature under different operating conditions were presented in order to increase efficiency and decrease energy consumption and it would be useful in designing and improving of counterflow grain dryers. 为了减少能耗和提高干燥效率,研究得出不同条件下所需风量和热风温度的最佳值,这些数据可供设计和改进逆流式谷物干燥机时的参考。
A study on kinetics of oil/ water separation by induced-air flotation machine was conducted with simulated unit in laboratory to investigate the effects of oil droplet diameter, air flow rate and rotor rotational speed on the kinetics. 在实验室模拟装置上对吸入式气浮净化机的脱油浮选动力学进行了研究,考察了转子转速、气量、油滴粒径等影响因素。
The effects of inlet air flow rate, air temperature and liquid flow rate on the concentration of concentrated sulfuric acid are studied. 通过对试验结果的分析和讨论,找出了热空气进口流量、热空气进口温度和稀硫酸进口流量等操作条件对硫酸浓缩液浓度的影响规律。
Objective To study and determine the appropriate air flow rate of a positive pressure respiratory protective hood. 目的研究并确定一种正压呼吸防护头罩合适的送风量。
In large warehouse, a control test of lowering temperature with exhaust fan and other equipment in lowering temperature, ventilating efficiency, air flow rate and moisture content was carried out. 用排气扇与各种通风方式对高大平房仓进行降温对比试验,将试验仓与对比仓的降温情况、通风效率、表观风速和水分变化进行比较。
A control system of variable air volume box was designed through inverse system method. Both inner loop ( supply air flow rate loop) of control system and outer loop ( indoor air temperature loop) of control system were designed through inverse system method. 采用逆系统设计方法对变风量空调箱的控制系统,包括控制系统的内环(风量控制回路)和外环(房间温度控制回路),进行逆系统设计。
The results show that fuel temperature, fuel film thickness and air flow rate affect the fuel evaporation greater. 结果表明,燃油温度、燃油油膜厚度以及空气流速对燃油蒸发率的影响较大。
In order to serve this purpose, the automatic control system has carried on multi-spot signal gathering nearby the gate. It causes air flow rate shifting appropriate and reasonable, and it effectively alleviates the pressure gradient sudden change. 为达到这个目的,自动控制系统在门附近进行多点信号采集,使风量转移恰当合理,并且有效的缓解了压力梯度的突变。
In experiments, formaldehyde removal efficiency and biochemical elimination amount have been detected in different conditions, such as liquid flow rate, formaldehyde concentration in the upstream and air flow rate. 实验通过控制液体喷淋量、入口空气甲醛浓度和空气流量等不同工况,对生物过滤器的甲醛去除效率和微生物的生化去除量进行了研究。