查询词典 convection heat transfer

Central heating cover breaks way of traditional reseau type, use air convection principle scientificly, just stay respectively in fluctuation have wind gap, use interior atmosphere, make air conditioning from lower part by mandatory input, and upper part comes loose hot mouth can sufficient send out quantity of heat completely quickly to whole space.

暖气罩打破传统网格式做法，科学地利用空气对流原理，在上下方分别留有风口，利用室内大气压，使冷气从下方被强制性输入，而上方散热口又能充分迅速把热量完全散发给整个空间。

It attaches importance to the design and structure arrangement method for biology pyrogenation fuel boiler,and the design character of the convection heat surface,offering an available experience for the design of similar boiler.

0/470-T生物质热分解燃料锅炉设计与开发过程，着重探讨燃烧生物质热分解燃料锅炉设计和结构布置方法以及对流受热面的设计特点，为同类型的锅炉设计提供借鉴经验。

The convection heats that is apart from to 13 meters between the well heats the oil shale retorting mine process, heat the temperature as 600°C. Adopting single crack heating to need 4 years can make the whole hot solution district attain 500°C above, the adoption double crack heating need a year and can make whole hot solution the district attain 600°Cs or so.

3在井间距为13米的对流加热油页岩干馏开采过程中，加热温度为600℃，采用单裂缝加热需要4年就可使整个热解区域达到500℃以上，采用双裂缝加热需要1年就可使整个热解区域达到600℃左右。

Convection is an important part of the planet's energy budget because the warm upwelling air carries heat from the interior.

对流产生的能量土星上能量的重要组成部分，因为温暖的上涌的空气将热量带入了大气内部。

Against the specific problems, this paper puts forward corresponding improvement measures including design of the convection field and temperature field, significantly the reduction of water tank evaporation surface, heat preservation of water tank by using block to fix outside protective layer.

针对具体问题提出了改进措施，包括对流场、温度场的重新设计，大幅度减少水箱蒸发面，水箱保温采用木块固定外保护层的方法。

According to field synergy principle and entropy generation minimization, the integration design concept is developed to improve thermal performance of forced air convection cooling system.Based on the hexahedra mesh the numerical simulation is carried out on systems of fan and streamlined heat sink with Multiple Rotating Reference Frame and RNG k-ε Modle.

在科技发达的21世纪，电子组件制造技术都朝轻、薄、短、小的方向发展，电子设备的结构设计也趋向紧密性，这种趋势会使得单位容积下热载荷急剧增加，因此必须配置适当的散热装置将热量排除，以维持组件运转的稳定性与可靠性。

The temperature distribution within the droplet is obtained from a solution of Laplace's equation, where quasi - steadiness and neglect of convection terms in the heat equation can be justified for small, slowly evaporating droplets.

水滴的温度分析可有拉普拉斯方程得到，其稳定性与忽视在热平衡中的对流条件被证明正在蒸发的水滴微小且缓慢的变化。

Air gap due to incomplete closure in the state, slow convection can reduce the heat inside the pot and set the energy loss of working hours.

因空气隙处于不完全封闭状态，对流缓慢，可减少发热盘和内锅工作时的能量散失。

In order to develop and modify Gregory scheme for cumulus convective parameterization,we make the improvement as follows:(1) The large-scale moisture convergence is taken into account and the organized inflow,which occurs in the area of large-scale moisture convergence and is directly proportional to it, is added to turbulent airflow.(2) The influence on saturation vapor pressure exerted by supercooled water is taken into account and the initial mass flux is adjusted. Based on diagnosis of the air heating and moistening, the downdraft airflow is adjusted.(3) Based on the character of our country heavy rainfall,which usually occurs in the mixed cloud consisted of stratocumulus and cumulus, the process of excessive convection is restrained by organized outflow in the top of cloud and improving downdraft current and by reducing the evaporation of rainfall and release of latent heat.

为了改进和发展Gregory积云参数化方案，(1)考虑了大尺度水汽辐合对积云对流的影响，即在混合卷入中加入有组织的卷入，让有组织的卷入存在于有大尺度水汽辐合的层次上，并且与大尺度水汽辐合直接成比例；(2)考虑了过冷水存在对饱和比湿的影响，调整了初始的质量通量，并且根据对大气加热加湿的诊断，调整了大气向下拖曳的强度；(3)根据我国降水多由层状云和嵌入其中的对流云混合产生的这一特点，对于过强对流过程进行抑制，在云顶加入有组织的卷出，同时加大向下拖曳的强度，减少蒸发以降低潜热的释放，抑制过强对流的发生。

A space heater that transfers heat to the surrounding air by convection .

通过对流向周围空气传播热量的空气加热器。

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。