The coolant is cooled by the cooling system , regulated by systems of temperature and flow , and sent to the working electronic system by the pressurized circulatory system to cool the electronic equipment 液冷源的工作原理是将冷却液按规定进行温度、压力、流量调节后,送往工作中的电子设备,实现电子设备冷却。
The air conditioning or heating water systems with primary water system in heat source or cold source side and secondary water system in load side divided by direct connection mode need to adopt connectors or water mixers 摘要用直接连接方式划分热源（或冷源）侧一次水和负荷侧二次水的供暖或空调水系统，需要采用连通器或混水器。
At the pre - design size of the cns 20cm 20cm , the transmission efficiency and neutron current have been campared among various design scheme of the cngs with characteristic wavelength of 0 . 2nm and 0 . 4nm 在冷源预设计尺寸20cm 20cm下，从传输效率和中子流量的角度对特征波长为0 . 2nm和0 . 4nm的两条冷中子导管的多种设计方案进行了比较。
The ground water - source heat pump ( gwshp ) air - conditioning technology appears with the requirement of both energy saving and environment protection . it uses the underground water as the heating source in winter and the cooling source in summer 地下水源热泵空调技术在建筑节能和环保的双重需求下应运而生,它将地下水体作为冬季供热的热源和夏季制冷的冷源,是一种高效节能的可再生能源利用技术。
According to the requirements of the cng on neutron flux , critical wavelength and distance between inpile guides and the cns , the relation between the source size and the critical angle of the coating material of the inpile guides as well as neutron flux at exit of the cngs have been studied 根据导管设计指标的需要，研究了冷源尺寸与堆内导管内壁镀膜材料的全反射临界角和导管系统出口处中子注量率的关系。
As a example of a residential district , analysis of the economical efficiency of different modes of district cooling systems is carried on in initial investment and operation cost in order to supply reference to the correct choosing of cold source of distrct cooling system 以某住宅小区为例，对居住区实行区域供冷不同系统的经济性从初投资和运行费用两个方面进行了分析，为正确的进行区域供冷的冷源选择提供参考。
The total nuclear heating is important elements for cns design and construction . at the same time , the gain factor is the principle exhibition of its performance , which also affects the design and installation of neutron guide tube and neutron apparatus connecting with it 核发热量是冷中子源系统设计和建造的重要基础，冷中子增益是冷源装置性能的重要体现，直接影响着与其相连的中子导管及中子谱仪的设计和安装。
It specifies the process of the design , simulation and experiment of liquid cooling system . main contents of the thesis are as follows : description of the present usage of liquid cooling system , presentation of a new type of liquid cooling system and description of its work principles ; design of the liquid cooling system , which mainly deals with the design and collating calculating of serpentine condenser and heat exchangers adopted in this system . meanwhile , the model chosen calculating of compressor 、 thermal expansion valve 、 plate evaporator 、 water pump and the like equipment used in the system are also carried out 本文的主要内容如下:对液冷源使用现状进行了描述,提出了一种新型液冷源系统并对其工作原理进行了阐述;对系统进行了设计,主要对系统中所采用的管带式冷凝器和水侧空/液换热器进行了设计和校核计算,同时对系统中所用到的压缩机、热力膨胀阀、板式蒸发器、水泵等配套设备进行了选型计算;分别对制冷系统和冷却液循环系统进行了数学建模。
According to the demands of neutron scattering instruments to be built at china advanced research reactor ( carr ) , the designs of several new instruments , i . e . two cold neutron guides ( cng ) , one neutron stress diffractometer and one high resolution neutron powder diffactometer ( hrpd ) , have been simulated and optimized using monte - carlo simulation softwares , mcstas and vitess , first . requirement on the size of the cold neutron source ( cns ) by cngs has been also studied . the results of this thesis have provided essential data as a basis of the neutron instruments designs 本论文结合当前中国先进研究堆( chinaadvancedresearchreactor ， carr )中子散射工程谱仪建设的迫切需要，选择国际上广泛使用的通用中子散射谱仪模拟软件mcstas和vitess作为模拟研究工具，首次对若干台新建谱仪的设计方案进行了全面的模拟和优化研究，包括两条冷中子导管、中子应力衍射仪和高分辨中子粉末衍射仪，并配合冷源设计研究了导管对冷源尺寸的要求。
It is shown that , the diameter and height of the cns , 18cm - 22cm and 30cm - 36cm respectively , is necessary , if the 58ni coating or supermirror coating with m = 2 is adopted . the reasonable size of cns has been suggested . the neutron stress diffiractometer , wich is designed for measuring residual stress or applied stress in materials and engineering components , was simulated and optimized 结果表明，在冷中子导管使用~ ( 58 ) ni和m = 2的超镜镀膜情况下，所需要的冷中子源直径为18cm 22cm ，高度为30cm 36cm ，并从导管需求的角度为合理的冷源尺寸提出了建议。
