传热

A mathematical model for the heat and mass transfer in the pyrolysis process of the biomass fuel bed was developed in this paper.

通过分析生物质热解过程的传热传质特点，建立了生物质燃料层热解过程的传热传质数学模型。

Then average heat transfer coefficient of building external wall and heat transfer coefficient of building block filling wall by calculating were calculated.

通过公式计算将不同基层墙体条件下的外墙平均传热系数转换至外墙主墙体的传热系数。

Because the limitation of the conventional method,A lot of work were done for the calculation of average overall heat transfer coefficient of building external wall and heat transfer coefficient of building block filling wall needs mass calculation.

由于常规算法的局限性，在实际项目中换算外墙平均传热系数与外墙主墙体传热系数需要计算的工作量较大。

This article studied the heat transfer character and the pressure loss in the shell side of the elliptic tube heat exchanger and the helical baffle heat exchanger and the traditional bow-shaped baffle heat exchanger through the experiment.

通过试验方法对椭圆管换热器与螺旋折流板换热器和传统的弓形折流板换热器进行了壳程传热性能和压降的研究，同时进行了壳程传热性能和压降的对比。

The control thermal resistance is that of natural convection and thus heat pipe radiator can be simplified as a vertical plate channel heat radiator. The influence of tilt angle to thermal resistance of heat pipe radiator is also discussed in this paper.

该散热器的控制热阻为翅片与空气间的自然对流热阻，其间的传热可简化为倾斜通道自然对流的传热，在竖直平板通道模型的基础上加以翅片倾斜角度的修正。

3The heat transfer in the charging and discharging process are unsteady, and the heat transfer capability of the system will change against time, and the charging rate and discharging rate decreases gradually with time, as should be noticed in the design.

蓄冷和放冷过程都是非稳态传热过程，整个过程中系统的传热能力是不断变化的，蓄冷率和释冷率都是逐渐降低的，在蓄冷设计时应该注意到这点。

According to the characteristics of combustion of pulverized coal in pre-decomposition kiln, discuss the balance question of kiln system.

根据预分解窑系统煤粉燃烧的特点，探讨了窑系统平衡问题，即在保持发热能力与传热能力平衡与稳定的基础上，保持发热能力与传热能力及煅烧能力与预热预分解能力的平衡和稳定的要求。

The synthetic gas and ash composition heat transfer and flow in vertical pipe of coal gasifier are simulated and analyzed by the theory and program presented. The temperature、velocity and concentration variations of synthetic gas and ash composition are accomplished. The influences of coal gasifier working condition and vertical pipe parameters on the gas and ash cooling process are discussed. The law of solid-gas two phase turbulent flow and heat transfer is further revealed.

本文还应用上述理论和程序，在国内首次对气化炉激冷室下降管内合成气和灰份的流动和传热过程进行了数值计算和分析，得到下降管内合成气和灰份的温度、速度和浓度等参数的变化，还讨论了气化炉运行参数和下降管结构参数如气化温度、下降管尺寸、灰份性质等参数变化对合成气降温过程的影响，进一步揭示了下降管内气固两相的流动和传热规律。

In this paper,the mathematics model of the heat exchange in the combustion chamber of the ceramic furnace was established.

文摘：本文建立了陶瓷窑炉火焰空间系统传热数学模型，根据该数学模型模拟了保温对火焰空间系统对物料传热的影响。

Among all of the cooling technologies, the impingement cooling is the most potential one to enhance local heat transfer coefficient. The impingement of the jet forms high speed airflows on the cooled surface. These airflows can be used to improve local heat-transfer conditions significantly especially in the area with very high heat flux and temperature.

在所有提高传热的技术中，冲击冷却对于提高当地的传热系数具有最大的潜力，其冲击所形成的高速气流，极大的改善了当地的换热状况，特别适用于局部高温的地区。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。