In order to improve the control precision of strip coiling temperature in laminar cooling , the heat transfer in cooling process was analysed from a viewpoint of transfer mechanism , and a mathematical model of air - cooling and water cooling was obtained 摘要为提高热轧带钢层流冷却卷取目标温度的控制精度，根据冷却过程的传热机理，分析了带钢层流冷却的传热过程。
The research efforts to produce and characterize the heat transfer behavior of nanofluids , include such two main aspects as preparation of nanofluids and experimental determination of the transport properties of nanofluids 本文围绕纳米流体制备技术与纳米流体输运参数测量两方面内容，研究纳米流体制备方法，实验测定纳米流体输运参数，研究纳米流体的强化传热机理。
In the first , this paper makes an analysis and discussion on the different mechanism , performances , advantages and disadvantages of heat transfer between conventional steel - water heat pipes and components of inorganic heat transfer 本论文首先分析讨论了普通钢-水热管和无机传热元件的不同传热机理、性能和优缺点，对无机传热元件的性能和应用进行了理论分析和实验研究。
Accord i ng the heat transfer mechanism and the fluid resistance of the tube and corrugated fin radiator , i apply the computer to compile program to check up and design radiator , which makes the research theory can be d i rect i y app i i ed to manufacture process 并依据散热器的传热机理及流动阻力特性，运用计算机编程，组建了有关散热器校核、设计热计算的程序软件，使理论研究结果能直接应用于生产实际。
Aided by the study of the mechanism of the particle movement and heat transfer in the rotary kiln , a mathematical model on tire pyrolysis in a rotary kiln was set up . based on the kinetic study of tire pyrolysis reaction . and the computational outcome was compared with the experiment results 继而，结合回转窑内的运动与传热机理分析，以废轮胎化学反应动力学为基础，建立了废轮胎在回转窑内热解的数学模型，并将计算结果与试验值进行了对照。
The cryogenic performance of scq and ssm superconducting magnets are investigated both at steady operation state and at unsteady state in detail , including flow and heat transfer characteristics of cooling medium , and electromagnetic , mechanical characteristics of magnets 本文以bepc中关键部件scq 、 ssm超导磁体为主要研究对象,研究了超导磁体在低温下的稳态与非稳态工作特性中的若干问题,包括冷却介质的流动特性、传热机理,磁体的冷却结构、电磁与机械性能等。
Firstly , based on nusselt ' s theory , a three - dimensional coordinates model is built to deal with condensation heat transfer on the side of the fin . with the model , the condensation heat transfer mechanism on the side of the fin is analyzed . as a result , an integral expression is obtained to calculate the condensation heat transfer coefficient on the side of the fin 首先，本文以nusselt理论为基础，运用三维坐标建立了肋片侧面的冷凝传热模型，对肋片侧面的冷凝传热机理进行了分析，得出了肋侧冷凝表面传热系数的积分表达式，并与传统解法的理论公式进行了比较。
A lattice boltzmann model for the simulation of nanofluids is developed on the basis of forces on nanoparticles and fluid . the numeric method is applied to simulate the flow behavier of nanofluids and calculate the transport coefficient of nanofluids . the results using this model agree well with the experiment data 本文根据纳米粒子和液体介质的作用力关系，建立了纳米流体格子boltzmann模型，并据此研究纳米粒子的动态特性，模拟纳米流体的输运参数，从介观层次揭示纳米流体的强化传热机理。
The experimental results indicate that when the air flow rate is determined , the key problem for energy saving is how to keep the indoor thermal comfort at a suitable level and reduce the difference between the internal and external temperature of the room . a formula is gained for calculating the critical values of air exchange rate . when ventilating rate is greater than the value , radiating heating is the better way for energy saving , or else , convection method in heating is more suitable 实测还指出，当通风量一定时，如何保证人体热舒适度不变而减少室内外气温差将成为大通风量房间节约采暖能耗的关键，本文结合围护结构传热机理，在对三种方式的能耗状况进行理论分析的基础上，提出了换气次数的节能临界值，若换气次数高于此值，则辐射供暖是较好的选择，否则，散热器供暖是较好的方法。
In this paper , a image processing method has been presented , with this method mean temperature of testing object can be arrived at from infrared picture and the interior temperature gradient of the test pieces in the situation of transient heat transfer can be got . unsteady - state heat transfer mechanism of wall has also been studied in this paper . on the basis of theoretical analysis and experimental study we can get such conclusions : infrared testing of energy conservation of buildings is rapider and more accurate than heat - flow meter method which is popular at present ; heat transfer mechanism in the situation of unsteady - state heat transfer has been analyzed through experiment ; the interior layers ’ temperature of the test pieces ascent in company with 本文在理论分析和试验研究的基础上得出以下结论:本文研究的红外检测建筑节能的方法比目前存在的热流计法更快速、更准确;用试验分析了墙体在非稳态传热情况下的传热机理;试件各层温度随着受热面环境温度的上升而上升,只是上升的程度不同,响应时间不同,这是由于试件内部有一个蓄热过程;通过传热理论和建筑热工计算推导出了非稳态传热情况下的传热系数的计算公式;本文用matlab进行红外图片的处理,进而得到被测物的平均温度;用数据处理软件拟合温度热流。
