Applying Nusselt s liquid film theory to the contact melting heat transfer process, we obtain the theoretical formulas convenient to engineering calculation. 应用努谢尔特液体边界层理论,求得了便于工程计算用的接触熔化传热过程的理论解。
The butter is melting in the heat. 加热的奶油在软化。
The enthalpy method is applied to simulate the melting heat transfer in an enclosure with three discrete flush mounted heat sources on one of its vertical walls while the others are insulated. 利用焓法求解了有三个分散平齐热源的矩形空腔内的熔化问题,并把计算结果、实验结果和前人的计算结果进行了比较。
The melting point and heat of fusion for bulk KBr obtained by extrapolation are close to the experimental values. 由此外推得到的大块KBr固体的熔点和熔化焓数值与实验值接近。
The application of pitch's melting by heat carrier from heat medium furnace 热媒锅炉载热体融化沥青的应用
Effects of series sharp laser pulse on the melting and heat force of aluminium alloy plates 序列尖峰脉冲激光对铝板熔融热-力效应研究
Influences of powder melting temperature on heat flux of mould, thickness of slag film and steel solidification are discussed. 讨论了保护渣熔化温度对结晶器热流和渣层厚度以及对铸坯凝固的影响。
This paper centres around the manufacturing technology of the work roll of Sendzimir twenty-high mill, including the selection of the material, melting, heat treatment and the cold working. 本文主要阐述森吉米尔20辊轧机工作辊的制造工艺技术,包括材质选择、冶炼、热处理和冷加工的全套工艺。
The melting latent heat is 118.996 kJ/ kg, and melting onset point is 6.399 ℃. 该蓄冷材料的融解热是118.996kJ/kg、起始融解温度是6.399℃。
Study on Fabrication Technology, Performances and Melting Heat Transfer Process of Salt/ Ceramic Composite Energy Storage Material 无机盐/陶瓷基复合储能材料制备、性能及其熔化传热过程的研究
In this paper, melting heat of low-pressure refrigerant HCFC-141b gas hydrate has been measured with DSC ( Differential Scanning Calorimeter), two groups of DSC melting curve were obtained. 本文首次用DSC(DifferentialScanningCalorimeter)法对低压制冷剂HCFC-141b气体水合物的融解热进行了测试,得到了两组DSC融解曲线。
Vaporization heat and melting heat of helium-3 氦-3的汽化热和熔解热
Abstract According to the correlation between deformation work and melting heat energy, the experimental method of uniaxial tension is applied to measure melting heat energy and deformation heat effect in this paper. 本文根据变形功与熔化热能的关系,将简单拉伸实验方法推广应用到了熔化热能和变形热效应的测量上。
The melting point and the melting heat value as well as the combustion heat value were determined for the differ geometric structure 1,2-cyclohexanediol, and the thermodynamics properties were discussed on mixture of cis-and trans-1, 2-cyclohexanediol. 测定了不同几何结构的1,2-环己二醇的熔点、熔化热和燃烧热,并考察了它们的混合物的热力学行为。
The main production process of Cummins6BT manifold casting including moulding, melting and heat treatment was introduced, and the measures to eliminate casting defects was proposed. 从造型、熔炼及热处理等方面介绍了康明新6BT排气歧管铸件的主要生产工艺,并提出了铸造缺陷的解决措施。
Author describes the development of low melting heat binding fiber and the methods for making copolyamide fiber and copolyester fiber as well as composite fiber of low melting points. 本文论述了低熔点热融粘结纤维的发展,低熔点共聚酰胺纤维、低熔点共聚酯纤维和低熔点复合纤维的制备方法;
The experimental object is separated by vacuum bottle and mixture of ice and water, for decreasing the heat exchange of ice from environment. The volume variety of ice during melt process is measured by the move-liquid tube, and the melting heat of ice is also measured. 真空保温杯和冰水混合物双重隔离实验对象,降低了冰与环境的热交换,通过移液管测量冰熔化成水的体积变化,进而测定冰的熔化热。
The result shows that the strength, especially elongation, of adjusted pressure casting sample is increased dramatically under the same conditions of melting and heat treatment. 结果表明,在相同的熔铸工艺和热处理条件下,调压铸造试样的强度,特别是延伸率得到大幅度提高。
The enthalpy equations are presented both for the solid and liquid state of α-Al2O3. The melting point and melting heat were measured to be ( 2328 ± 7) K and 1137.90 J/ g respectively. 提出了氧化铝固态和液态的焓方程。测定α-氧化铝的熔点为(2328±7)K,熔化热为1137.90J/g。
Measurement of melting heat of HCFC-141b gas hydrate with DSC HCFC-141b气体水合物融解热的DSC测试
The low melting point heat binding fiber 低熔点热融粘结纤维
Its essential process includes surface pretreatment, preheating, pre dusting, dusting, re melting and heat straightening and major equipment consists of surface cleaning equipment, spaying machine tool, spraying gun, re melting torch and heat straightening machinery, etc.. 其工艺流程为表面预处理、预热、预喷粉、喷粉、重熔、热校直等,主要设备有表面清理设备、喷涂机床、喷涂枪、重熔枪、热校直机等。
The melting heat occurs from May to September but has less contribution to heat balance comparing with latent heat. The conductive heat flux is few in energy budget on the glacier surface. 传导热交换量对能量平衡的贡献很小。
Correction of Solid us and Point H in the Fe-C Binary Phase Diagram by Using the Melting Heat of Iron 用铁的熔化热校正铁碳相图固相线及H点的研究
The melting temperature, melting heat, static and dynamic mechanical properties of PA6/ PTFE blends and PA66/ PTFE blends are experimentally investigated in this paper. 研究了PA6/PTFE和PA66/PTFE共混物的熔融过程的热学性能、动态力学性能和吸水前后的静态力学性能。
The Effects of Moving of Solid PCM on Melting Heat Transfer 固态相变材料的运动对熔化传热的影响
The process of preparation is composed of there stages of basic glass designing, glass melting and heat treatment. 制备过程主要由基础玻璃配方的确定、玻璃的熔制和基础玻璃的微晶化三个阶段组成。