Mathematical Model and Simulation of Internal Ribbed Tube Waterwall in Ultra-supercritical Once-through Boilers 超超临界直流锅炉内螺纹管水冷壁的数学建模和仿真
Water Heat Transfer Characteristics of Internally Ribbed Tube in the Near Critical Pressure Region 内螺纹管临界压力区内水的传热特性研究
Investigation on Frictional Pressure Drop of Steam-Water Two-Phase Flow in an Internally Ribbed Tube 内螺纹管中汽-液两相流体摩擦压降特性研究
Design Analysis of Lanxi Bridge with Continuous Ribbed Arch of Concrete Filled Steel Tube 兰溪大桥多跨钢管砼肋拱桥的设计分析
Investigation on the heat transfer characteristics of internally ribbed tube for supercritical pressure boiler 超临界锅炉内螺纹管传热特性的研究
Influence of frost or ice formed on ribbed surfaces of LO_2 evaporators on theoretical heat exchange areas and solutions An experimental study on performance of wave's fined tube heat exchanger 液氧汽化器肋片结霜、结冰对理论换热面积的影响及解决方案波形肋片管式换热器的试验研究
The paper, combining the benefits of ribbed tube cubic water heater, gives the creative structure of the family use boiler. 本文将翅片管直流式热水器和容积式热水器的优点相结合,提出了家用锅炉的创新结构。
Ribbed tube can extend boiler's convection heating surfaces largely and reduce its weight or arrangement space. 肋片管能大幅度地扩展受热面积,减少锅炉对流受热面的布置空间和重量,目前已广泛用于锅炉省煤器部分。
Due to the rotational flow of the internal groove reducing the effect of nature convection, the internal wall temperature of the inclined upward internally ribbed tube uniformly distributed along the circumference. 在超临界压力下,由于螺旋内槽的旋流作用减弱了自然对流的影响,倾斜上升内螺纹管内壁温度的周向分布比较均匀。
Under the conditions of full-circumferential heating and half-circumferential heating, the heat transfer and pressure drop characteristics of internally ribbed tube with the diameter of φ 28 × 6 mm used in the furnace water wall of 600 MW supercritical sliding pressure operation once-through boiler was studied experimentally. 本文在全周加热和单侧加热的条件下,对600MW超临界变压运行直流锅炉水冷壁φ28×6mm内螺纹管进行了传热与阻力特性的试验研究。
Today ribbed tube has been widely applied in economizer and improves on the boiler's safety and economics. 实践证明,它对提高锅炉安全、经济性有重要意义。
It shows that the flow boiling heat transfer coefficients in the internally ribbed tube are 1 6& 2 times that in the smooth tube and flow boiling heat transfer under the condition of smaller temperature difference can be achieved in the internally ribbed tube. 实验结果表明,内螺纹管中的沸腾换热系数是光管的16~2倍,并且可在小温差条件下实现流动沸腾传热。
The pool boiling experiments, in which the working fluids are R-113 and R-11, of a mechanically made porous surface tube with ribbed tunnels ( I, e. JK-2 tube) are reported. 本文报道了肋形隧道机械加工表面多孔管(JK-2管)单管管外池沸腾实验。实验工质为R-113和R-11。
Wall temperature characteristics in a vertical upward internally ribbed tube for supercritical Sliding-Pressure Operation 超临界变压运行垂直上升内螺纹管壁温特性
Experiments on heat transfer and frictional pressure drop of kerosene of single phase flow in the internally ribbed tube were conducted and compared with those of smooth tube. 对煤油在内螺纹管中的单相紊流传热和摩擦阻力特性进行了实验研究,并将实验结果同煤油在光管中的实验结果作了比较。
The test results and performance of enhanced heat transfer in internally ribbed tube was evaluated. 对内螺纹管的强化传热效果进行了评价,分析了内螺纹管强化传热的机理。
Considering the effect of acute variety of the fluid property on heat transfer, the correlation of heat transfer coefficient on the top of the inclined upward internally ribbed tube have been provided. 文中提出了在考虑大比热区工质物性剧烈变化对传热影响的情况下,倾斜上升内螺纹管顶部内壁传热系数的试验关联式。
Characteristics of enhancement of flow boiling heat transfer with kerosene inside internally ribbed tube 煤油在内螺纹管中流动沸腾强化传热特性
The paper based on the operation conditions of middle pressure boiler and waste heat boiler which conditions are similar to the boiler discuses the possibility of ribbed tube to be used in superheater and the problems should be considered. 针对中压锅炉和具有类似工作条件的余热锅炉,讨论肋片管应用于过热器的使用条件以及应当注意的问题。
The production technologies of PVC-U ribbed tube PVC-U加筋管的生产技术
To adopt the internal ribbed tube wall to decrease the mass flow velocity of waterwall, to decrease the flowing resistance of water wall; 采用内螺纹管水冷壁降低水冷壁质量流速,减小水冷壁流动阻力;
Design of internal plug for internal spiral-ribbed tube cold drawing 冷拔内螺旋凸筋管的芯棒设计
The Analysis of Deformations and Stresses of Ribbed Tube-plate 加肋管板的变形和应力分析