传热

By using the 2-D unsteady state heat transfer equation,the heat convection and radiation between the checker,the gas flowing through the checker holes and the heat conduction among the checkers in the chamber of the hot blast stove were studied.

应用二维非稳态热量传输方程，对高炉热风炉蓄热室内格子砖与气体之间的对流和辐射传热，以及蓄热体内部的导热过程进行求解，分析热风炉的不同操作制度对热效率的影响。

Solves the equation using finite difference method.Obtains the heat transfer characteristic of laminar flowed ice slurry in circular pipes with constant heat flux.

运用有限差分的方法，对所得的差分方程组进行求解，从而得到定热流状态下圆管内层流冰浆流体的传热特性。

The mathematical model of gas-solid two-phase flow, combustion and heat transfer in furnace is set up, and the corresponding computer codes are compiled.

建立了炉内气固两相流动、燃烧、传热过程的数学模型，并将计算区域延伸到过热器或再热器区域。

The cacluation of simulating furnace combustion process is in a greement with the test data.

对炉膛内两相流、燃烧及传热的耦合计算结果与本试验结果一致。

The results obtained show that the simulation agrees with the basic characteristics of flow and combustion in furnace. This model is also successfully used to optimize the burners'remaking proposals of HC power plant.

第六章是在对炉内的三维流动、传热和煤粉燃烧进行数值模拟的基础上，对煤粉燃烧过程中NO〓的生成进行了数值模拟和程序编制。

A new type of variable structure combustion control method based on pulse combustion is presented.

研究结果表明：脉冲射流可以极大的提高射流区压力波动的水平，从而促进炉内传热和温度均匀性。

The whole geometric structures of combustor,combustion chamber and furnace tube in delayed coking furnace were accurately calculated by the whole-coupling method.

采用分区耦合的计算方法，实现了对工业焦化炉从燃烧器、炉膛、炉管整体几何结构的仿真，并且对焦化炉内流动、燃烧和传热全部工艺过程进行了模拟。

The results indicate: Stabilized combustion in micro tube can be maintained stably in micro-scale tube with 0.2 mm inner diameter with suitable hydrogen-air equivalence ratio.

针对微尺度燃烧的特点，在传热分析的基础上，建立了微型管内氢－空气预混合气的燃烧模型，对0.2 mm微管内氢气空气预混燃烧进行了变参数研究。

Meanwhile, wire-feeding velocity of the core wire was confirmed through applying numerical calculation, which was verified with actual wire-feeding velocity used in production.

从传热传质理论出发研究喂线球化处理过程中芯线钢带在铁水中的溶解过程，充分考虑了铁水温度、含碳量和镁合金芯剂状态对钢带溶解的影响，给出相应的数学模型，采用数值计算的方法确定了芯线的喂线速度，并用生产中实际应用的喂线速度进行了验证，结果表明，计算结果与实际喂线速度基本吻合。

The parameters of conventional design of complex cross-feed and parallel-feed multi-evaporation conventional design could be obtained by solving material balance, energy balance, solid-liquid equilibrium, vapor-liquid equilibrium and heat transfer velocity equations by iterative method and matrix method.

用迭代法结合矩阵法求解系统的物料衡算及热量衡算矩阵方程、固液相平衡方程、汽液相平衡方程和传热速率方程，可以得到复杂错流、平流多效蒸发系统常规设计的各种参数。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐