1) fouling thermal resistance design method
污垢热阻设计法
1.
the traditional fouling thermal resistance design method, the currently developed clean coefficient design method and the area increasing percentage design method, are clarified.
文章阐述了污垢工况下换热器设计的特殊性,在对传统的污垢热阻设计法、新近发展起来的洁净系数设计法和面积增加百分比设计法进行阐述的基础上,以具体实例分析对比了分别用这三种设计方法对同一工况进行设计计算得到的不同结果。
2) Heat Resistance of Fouling
污垢热阻
1.
The heat resistance of fouling in both tube is measured during a certain period.
实验结果显示轧槽管的污垢热阻约为光滑管的0。
2.
Experimental investigation shows that the heat resistance of fouling in corrugated tube is 0.
在综述管壳式换热器和板式换热器国内外污垢研究的基础上,介绍了轧槽管防垢性能实验和污垢模型,轧槽管的污垢热阻为光管的0。
3) fouling resistance
污垢热阻
1.
Furthermore,the results of dynamic experiment indicate that,the fouling resistance decrease extraordinarily with treatment of high-voltage electrostatic field, and anti-fouling .
动态实验结果表明,成垢溶液经过高压静电处理以后,污垢热阻明显减小,流速的增大能够增强抗垢能力。
2.
From the initial experiments, it is proved that this system can work well for long time and can measure the fouling resistance accurately.
介绍了新开发的污垢热阻实验装置及其计算机测检系统 ,阐明了这一装置开发的理论依据、测控系统的集成和能实现的功能 ,并对装置的运行结果进行了分
3.
The in-surface and out-surface vibrations which come from the flow-induce spring tube bundles, can not only effectively increase the convective heat transfer coefficient, but also decrease the fouling resistance, then increase the heat transfer coefficient remarkably.
弹性管束在流体诱导下的面内振动与面外振动,可以低流速下在提高对流换热系数,降低污垢热阻,使传热效果显著增强。
4) fouling thermal resistance
污垢热阻
1.
Correction and application of on-line prediction model for fouling thermal resistance
污垢热阻实时预测模型校正与应用
2.
Experimental research of fouling thermal resistance on heat exchangers in sewage source heat pump system
污水源热泵系统中换热器污垢热阻的实验研究
3.
Little compound scale inhibitor into the solution can make fouling thermal resistance decrease extraordinarily,and the scale inhibition rate can reach to about 98%.
成垢溶液添加复合阻垢剂之后,污垢热阻大为减小,阻垢率达到98%左右。
5) fouling heat resistance
污垢热阻
1.
Appling hydromechanics and aerosol mechanics theory,the deposition mechanism of fouling on the shell-side of the shell-tube air cooling exchanger is researched and a method of estimating fouling heat resistance is put forward.
本文应用流体力学和气溶胶力学的基本原理，分析了光管管壳式空气冷却器壳侧污垢的沉积机理，从理论上得出了一种估算壳侧污垢热阻的方法，该方法对设计人员和工程技术人员均有一定的参考价值。
2.
Obtains the variation pattern of the fouling heat resistance with time,the relations between the balance thickness of fouling and the velocity and between the heat resistance of the heat exchanger and the velocity,and a ratio of the total heat transfer coefficient before fouling forming to that after fouling forming.
介绍了污垢生长监测方法,并以哈尔滨望江宾馆和北京悦都酒店为测试对象,对换热器内污垢生长作了实时监测,得出了污垢热阻随时间的变化规律、污垢的平衡厚度和换热器热阻与流速的关系以及换热器结垢前后总传热系数的比。
3.
The problems encountering in the operation were analyzed and discussed in aspects of fouling components,flow characteristics,heat transfer characteristics,fouling heat resistance,etc.
介绍了广州地铁海珠制冷站采用珠江水直接冷却工程的应用情况,针对运行中出现的问题,从污垢成分、流动特性、换热特性与污垢热阻等几个方面进行了分析与探讨,提出利用直流水(江河水、城市污水、湖水、地下水、海水等)冷热源需要进一步解决的问题。
补充资料：污垢
分子式：
CAS号：
性质：在固体表面和基材内部(如织物的纤维间)存在一种不受欢迎的沉积物，改变了原物的清洁形象。污垢可分为液体污垢与固体污垢两类。液体污垢主要是植物油脂、脂肪酸、脂肪醇、烃类矿物油以及化妆品的液体残留物、人体排泄的皮脂、食品色素等。固体污垢主要是尘土、烟灰微粒与有机质、铁锈类的金属氧化物以及人体排泄的上皮细胞碎片及盐类等。日常生活中常见的污垢往往是上述两类的混合物。
CAS号：
性质：在固体表面和基材内部(如织物的纤维间)存在一种不受欢迎的沉积物，改变了原物的清洁形象。污垢可分为液体污垢与固体污垢两类。液体污垢主要是植物油脂、脂肪酸、脂肪醇、烃类矿物油以及化妆品的液体残留物、人体排泄的皮脂、食品色素等。固体污垢主要是尘土、烟灰微粒与有机质、铁锈类的金属氧化物以及人体排泄的上皮细胞碎片及盐类等。日常生活中常见的污垢往往是上述两类的混合物。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条