低温热水

• The heat supply s stem of terrestrial surface radiation of low temperature hot water has been more and more widely used in architectural heat supply because of its comfort , cleanness , health care , limited size , heat stability and efficient energy - saving character
  摘要低温热水地面辐射供暖系统由于其舒适、卫生、保健、不占面积、热稳定性好、高效节能等优点已越来越多地在建筑供暖中得到推广应用。
• This paper expounds the advantages of low - temperature hot - water radiant heating system , analyzes on several matters that should be taken into the consideration in the design and construction , and advances some shortages of low - temperature hot - water radiant heating system and some solving measures
  简述了低温热水地板辐射采暖系统的优点,从设计与施工两个方面对一些注意事项进行了分析,提出了低温热水地板辐射采暖系统的弊端及解决措施。
• Using the matlab tools , a computer program is compiled to solve this mathematic model , by which simulations to the thermal environment of the heated space under different heating style are carried out . the simulations results and their analysis show that for different space with the same thermal comfort index , the energy consumption of low - temperature water floor radiant heating system is less than that of convection heating system
  基于上述采暖空间的热网模型，运用matlab数学软件编程，对低温热水地板辐射采暖方式和对流采暖方式下房间的热环境进行动态分析，并对这两种采暖方式下采暖系统的能耗进行计算机模拟计算，结果表明低温热水地板辐射采暖系统相对于对流采暖系统有显著的节能性。
• Given the thermal physical parameters of the envelops and the weather data , the above two parameters are determined by the following system design parameters : radiant panel dimension , radiant panel location and radiant panel layout style ( center or peripheral ) . based on the thermal net model , digital analysis of the energy consumption and thermal environment are carried out to the several representative spaces under different design parameters , through which the relations of the heating load to the design parameters are obtained and can be a reference in the practical system design
  对于给定围护结构热物性参数和室外气候参数的条件下，室内平均辐射温度和室内空气温度的大小取决于系统的设计参数：辐射板的布置方式(周边布置和中心布置) 、辐射板尺寸和辐射板铺设位置。基于热网模型，利用matlab软件编程对采暖空间在不同设计参数下室内的热环境和能耗进行数值分析，得出了低温热水地板辐射采暖系统的性能和能耗指标随这些参数变化的规律，从而为低温热水地板辐射采暖系统的优化设计提供了参考。
• The thermal process model of imbed pipe floor heating room at intermittent operation was set up by analyzing the thermal storage of enclosure . then , a solution method was give for it basing on duhamel theorem . the calculation results shown a good indoor thermal environment can be hold when the system , which designed on out door temperature for heating basis , operates half day in night under outer door mean temperature in winter
  对典型房间的计算结果显示:系统间歇运行时，供暖系统开启和关闭后室内温度呈指数规律变化;当系统按供暖室外计算温度设计，实际运行日的室外平均温度等于供暖期室外日平均温度时，在室外逐时温度较低的时段低温热水地板辐射供暖系统运行半天左右可满足全天供暖室内计算温度要求。
• The compact algorithms for heat release from floor , indoor thermal environment , control characteristic and energy efficiency of room with imbed pipe floor heating system were studied in this dissertation . the heat release from floor is key nodes in designing of imbed pipe floor heating systems . the existing plate fine model is corrected to improving its accuracy by amending the temperature of fine root
  文中对原有的平面肋片简化算法采用了肋基温度修正，提高了其计算准确度；根据埋管低温热水辐射地板结构特点，利用地板导热形状因子计算地板当量热阻，首次提出了更为简便的当量热阻算法，该算法将影响地板传热的物性参数和各种结构参数归结到当量热阻中，方便于工程分析和计算。
• Being a new kind of heating style , much research has been done to the low - temperature water floor radiant heating system in its energy consumption , but which does n ' t get an unanimous result . the research in the optimization of system design is in great need to promote its using
  低温热水地板辐射采暖系统作为一种既节能又舒适的新型采暖方式，国内外对其节能性和节能能力进行了相当多的研究，但结论不尽一致；同时对如何进行低温热水地板辐射采暖系统的优化设计的研究很少。
• For the space heated by low - temperature water floor radiant heating system , the mean radiant temperature and air temperature are two main factors that affect the indoor thermal quality as well as the building energy consumption , so how to minimize the heating load as much as possible on the condition of securing thermal comfort demand
  采暖空间的室内热舒适度主要是由两个因素来决定的：室内平均辐射温度和室内空气温度，这两个参数同时也影响室内采暖系统的能耗大小，因此，如何在保证室内人体热舒适要求的条件下，最大限度地减少低温热水地板辐射采暖系统的能耗