壁体与埋管间没有气隙热阻。
对常用的地下埋管换热器传热模型逐一进行了介绍。
It has carried on the introduction of heat transfer models of underground heat exchanger which is commonly used one by one.
对地热换热器竖直埋管的非稳态传热模型进行了分析讨论。
Analyses and discussions were conducted of a non steady heat transfer model for the vertical embedded pipe of a geothermal heat exchanger.
介绍了一种测量高温流化床水平埋管流动特性的测量装置。
Describes an instrument for measuring the local flow characteristics around a immersed tube in a high temperature fluidized bed.
系统分析了高炉用新型埋管式铸铜冷却壁的热态性能及热变形。
The thermal properties and deformation of new type cast copper stave with buried copper pipe were studied.
结果表明,埋管系统通风降温可以改善炎热地区的室内热舒适性。
The results show that the buried pipe ventilation system can improve indoor thermal comfort in hot climates.
文中尚对劣质煤沸腾燃烧锅炉中的埋管辐射放热系数进行了讨论。
The radiative heat transfer coefficients of the immersed tude within the operating conditions of the fluidized bed combustion boiler with low grade coal are also discussed.
试验表明内旋流流化床内的埋管传热特性更有利于控制燃烧和传热。
The heat transfer experimental characteristics of immersed pipe is very useful to control combustion and heat transfer.
介绍了该别墅地埋管地源热泵空调系统中地埋管换热器的计算方法。
Presents the calculating method of ground heat exchanger in the ground-source heat pump system.
安装新埋管,把新卡环和新法兰套进新埋管里,用螺栓螺母与法兰固定。
Install new lower barrel, place new snap ring and new flange on the new lower barrel, fixed by bolt nut.
阐述了地源热泵地埋管传热性能的测试原理,并与热响应测试原理相对比。
The heat transfer performance test of ground heat exchanger was presented and compared with thermal response test.
文中还给出了局部管壁温的瞬态变化以及垂直埋管与水平埋管传热的比较。
The instantaneous changes of local tube wall temperature are recorded in the present work.
说明本文所介绍的传热模型在一定程度上反映了沸腾燃烧锅炉内埋管传热过程。
It may be seemed that the heat transfer model presented in this paper would reflect the heat transfer process of the immersed tube in the fluidized bed combustion boiler.
论述了埋管结构对流化质量的影响,以及沸腾层燃烧份额对受热面布置的影响。
The effect of in-bed tube structure on bed fluidization as well as that of the fluid-bed combustion on heating surface arrangement is also discussed in the paper.
本文阐述了江苏沙家浜温泉国际度假中心垂直地埋管热响应试验所取得的实效。
This paper mainly discusses the in-situ thermal response test of buried vertical pipe in Shajiabang Hot-spring International Holiday Centre, Jiangsu Province.
介绍了地埋管地源热泵使用地区的地域差异和由此导致的土壤吸、放热不平衡。
The difference about the areas where the ground source heat pump be used in was presented, which lead to the thermal imbalance of soil between absorbing and releasing.
以配置冷却塔的复合式土壤源热泵为研究对象,建立了地埋管换热器简化计算模型。
Taking the hybrid ground source heat pump with cooling tower as research object, a simplified calculation model of buried tube heat exchanger is established.
气泡和颗粒在流化床水平理管周围的运动行为与埋管传热和埋管磨损关系十分密切。
Movement of bubbles and particles around tube immersed in a fluidized bed is closely re lated to tube heat transfer and tube abrasion.
为地下埋管换热器结构的优化设计和系统运行模式的分析提供了理论支持与技术储备。
It supplies theory support and technology accumulation for the optimal design of the underground heat exchanger and the system operation mode optimization.
随着土壤源热泵在制冷工况下连续运行,埋管出口介质温度和管井壁面温度逐渐升高。
Along with GSHP running at refrigerate condition the temperatures of the out medium and the wall gradually rise.
该模型综合了目前较为合理的研究成果,客观地反映了鼓泡床中埋管磨损的基本规律。
It gathers up the present results on reasonable studies, and shows objectively the fundamental rules on erosion of horizontal tube immersed in fluidized bed.
目的建立大鼠蛛网膜下腔pe - 50埋管方法,并对蛛网膜下腔插管的步骤加以改进。
Objective: To establishment of intrathecal implantation with PE-50 catheter in rat and make improvement of the method in some steps.
为提高预埋管敷设方式下电缆输送能力,可向管道内填充导热介质以改善管道的散热状况。
In order to improve the cable current carrying capacity, the heat-conducting material was pumped into ducts to improve the situation of duct heat output.
埋管流化床在己二酸干燥装置上的应用,为PTA装置中干燥机的改进提供了一个新的思路。
The fluidized bed with immerged tube has been applied in adipic acid dryer device, which provides a new thought for the reformation of dryer in PTA device.
介绍一种地源热泵地下埋管换热性能测试装置及测试方法,并对该装置的用途进行了分析讨论。
This paper introduces an testing method and testing equipment for the performance of heat transfering of pipes buried under ground in a ground source heat pump system.
通过室内试验和大田试验,研究了无压灌溉方式下埋管深度对水分运移和作物生长的影响机理。
Through the laboratory research and field experiment, the influencing mechanisms of lateral depth in non-pressure irrigation on soil water movement and crop growth are studied.
试验研究了两种不同回填材料地埋管换热器的热响应性能、地源热泵运行对地源温度场的作用。
Heat transfer performance of different backfill materials and temperature field variation of ground-coupled heat pump system are studied.
试验研究了两种不同回填材料地埋管换热器的热响应性能、地源热泵运行对地源温度场的作用。
Heat transfer performance of different backfill materials and temperature field variation of ground-coupled heat pump system are studied.
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