管壁温度变化,pipe wall temperature change
1)pipe wall temperature change管壁温度变化
2)tube wall temperature管壁温度
1.At present, the method for calculating thetube wall temperature in a furnace chamber is not exact.针对目前大型煤粉锅炉屏式过热器管壁温度计算不准确的问题,提出了屏式过热器三维管壁温度计算方法。
2.To fully keep track of the situation regarding the superheatertube wall temperature, a real-time acquisition of thetube wall temperatures inside and outside the furnace and their changes was carried out on a 410 th super-high pressure boiler.可通过此程序计算得到对流过热器各个管排各部位管壁温度分布 ,并以图形的方式显示烟温、烟速、及过热器管壁温度的立体分布 ,将理论计算结果与试验进行了比较 ,符合较好。
3.Analyses the operating data andtube wall temperatures recorded under different operating conditions, concludes that the primary causes for the thermal deviations at the heated surfaces of HG-1021/18.2 -YM8型锅炉存在的热偏差问题 ,结合不同工况下锅炉运行数据和管壁温度记录 ,分析了各级受热面热偏差现象产生的主要原因为吸热量不均和流量分配不均 ,并指出超温管子的位置和运行中危险的部分。
英文短句/例句
1.Research on Wall Temperature of Spiral Tube Water Wall for 600MW Supercritical Boiler600MW超临界锅炉机组螺旋管圈水冷壁管壁温度
2.Analysis and Treatment of Temperature Deviation of High Temperature Superheater Tube Wall of 410t/h Boiler410t/h锅炉高温过热器管壁温度偏差的分析处理
3.Experimental esearch on small diffusion flame of ethanol and wall temperature小尺度乙醇扩散火焰及管壁温度场的实验研究
4.Numerical Simulation of the Tube Temperature of High-temperature Convective Superheater in the Large Utility Boiler;大型电站锅炉高温对流过热器管壁温度的数值模拟
5.Convective Superheater Tube Wall Temperature Calculation under Different Air Distribution Modes and Life Appraisal Study;不同配风工况下的高温对流过热器管壁温度计算及寿命预测
6.Studies on Application of Artificial Neural Network to Superheater s Tube Wall Temperature Calculation and Life Appraisal;神经网络在过热器管壁温度计算及寿命预测中的应用研究
7.Research of Thermal Power Plant Boiler Wall Temperature Forecast Based on BP基于BP网络的火力发电厂锅炉管壁温度预测研究
8.The Investigation of Influence to Outside Wall Temperature in Pipe When Inlet Temperature Changes;圆管入口温度突变影响管外壁温度的研究
9.INVERSE HEAT CONDUCTION PROBLEM OF DEDUCING INNER WALL TEMPERATURE BY USING CONJUGATE GRADIENT METHOD采用共轭梯度法的管内壁温度导热反问题求解
10.EXPERIMENTAL STUDY OF WALL TEMPERATURE DISTRIBUTION OF PTR脉管制冷机的壁面温度分布特性的实验研究
11.Covalent Functionalization of MultiWalled Carbon Nanotubes with Thermoresponsive Polymers;温度敏感型聚合物共价修饰多壁碳纳米管
12.Calculation on the temperature of concrete-filled stiffened thin-walled steel tubular columns with square cross-section under fire火灾下带肋薄壁方钢管混凝土柱温度场的计算
13.Study of Temperature Influence on Pipe Wall Wax Deposit Law of High Pour Point Oil Product温度对高凝成品油管壁结蜡规律影响的研究
14.When tube wall strength can not bear inner steam pressure in the tube, blowout of low-temperature tube occurs.当管壁强度无法承受管内蒸汽压力时，导致低温过热器管爆裂。
15.cylinder wall surface temperature transducer汽缸壁表面温度发送器
16.The infrared radiation and wall temperature were obviously decreased by cooling.通过冷却，各喷管的壁温和红外辐射强度明显降低。
17.A research on frozen wall temperature field thawing characters under multi-coil tube freezing多圈管冻结下冻结壁温度场融化特性的实测研究
18.Microstructure and Mechanical Properties of Thin Wall AZ31 Magnesium Alloy Pipes with High Precision Prepared by Isothermal Extrusion Technology高精度AZ31镁合金薄壁管件等温挤压后的组织与性能
相关短句/例句
tube wall temperature管壁温度
1.At present, the method for calculating thetube wall temperature in a furnace chamber is not exact.针对目前大型煤粉锅炉屏式过热器管壁温度计算不准确的问题,提出了屏式过热器三维管壁温度计算方法。
2.To fully keep track of the situation regarding the superheatertube wall temperature, a real-time acquisition of thetube wall temperatures inside and outside the furnace and their changes was carried out on a 410 th super-high pressure boiler.可通过此程序计算得到对流过热器各个管排各部位管壁温度分布 ,并以图形的方式显示烟温、烟速、及过热器管壁温度的立体分布 ,将理论计算结果与试验进行了比较 ,符合较好。
3.Analyses the operating data andtube wall temperatures recorded under different operating conditions, concludes that the primary causes for the thermal deviations at the heated surfaces of HG-1021/18.2 -YM8型锅炉存在的热偏差问题 ,结合不同工况下锅炉运行数据和管壁温度记录 ,分析了各级受热面热偏差现象产生的主要原因为吸热量不均和流量分配不均 ,并指出超温管子的位置和运行中危险的部分。
3)tube temperature管壁温度
1.Thetube temperature of super-heater is always an important parameter about life of the utility boiler on-line monitoring and evaluating of safety.过热器管壁温度一直是电站锅炉寿命在线监测与安全评估的主要参数之一,如何准确地确定管壁温度有着重要意义。
4)changes in metal temperature金属温度的变化，壁温变化
5)Preheat tube wall temperature预热管壁温度
6)external pipe_wall temperature炉外管壁温度
延伸阅读
管壁温度计算管壁温度计算prediction of tube wall temperatureguonb一wendu!!suon管盛沮度计算(predietion of tube wall tem-perature)为保证锅炉工作的可靠性，锅炉所有受热管的金属温度必须低于它的安全极限。对受热面管壁温度进行核算是锅炉设计中的一项重要工作。豁要核算的管壁温度‘是指同一管组中热力、水力在最不利条件下的局部最高壁温。核算管壁温度的部位应是热负荷大、工质温度高和水力偏差大的地方，单独一个因素或某些因素配合都可能导致管壁温度达到危险值。受热管的强度计算要求确定受热管的管壁温度。随着金属温度升高，钢材的许用应力下降，因此，必须按允许的管壁温度条件来选用管材。进行强度计算时，管壁温度采用管子内外壁的平均温度。受热管允许使用的外壁温度限于管子外壁不致形成氧化皮。受热管管壁厚度上的平均壁温按下式计算:l古11tw一t+山d.，十产内m.:}，犷万下一下十于 \八尸节厂l“2受热管外壁温度按下式计算: f古21、_‘。W一‘一“‘二十产内m二(丁万干1十蔺)七上两式中t为管壁温度计算点处工质的平均温度，’C;山d。，为工质最高温度与平均温度的偏差值，℃;产为热~、.一山，_、.一_，.，_._.，_、二_d。_二_散漫系数;夕为管子外径与内径之比，夕一岑;占为管，”~“、~’尸“，“’阵J『J一~~’尸d，’一zJ目子壁厚，m;又为管壁金属导热系数，W八m·℃);。2为管壁对受热介质的换热系数，w/(mZ·C);如.:为热负荷最高的管子上吸热量最大处的热负荷，W/m2.
