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   magnetic refrigerator 的翻译结果: 查询用时:0.234秒
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magnetic refrigerator     
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  磁制冷机
     At first, the permanent magnetic fields were designed with the finite element softwares of Ansys and Ansoft Maxwell for rotary room magnetic refrigerator.
     利用有限元分析软件Ansys、Ansoft Maxwell,针对旋转式室温磁制冷机用永磁磁化场进行了设计。
短句来源
     At room temperature, Gd is one of the important magnetic refrigerant materials in magnetic refrigerator, for it has large magnetocaloric effect 、 perfect toughness and processed easily.
     钆(Gd)在室温具有优良的磁热效应,同时具有良好的韧性和易加工性,是磁制冷机不可缺少的室温磁致冷材料,但作为磁致冷材料的工质钆(Gd)由于其性能活泼,在磁制冷机中很容易被冷却液腐蚀,严重影响了磁致冷样机的使用寿命。
短句来源
     Some important results were obtained as follows:1. Based on the Halbach rotation theorem and a hollow cylindrical flux source, a permanent magnetic array was designed for rotary room-temperature magnetic refrigerator.
     1.基于Halbach的旋转理论,并在中空圆柱型磁场源的基础上,设计出了适用于旋转式室温磁制冷机的永磁磁路。
短句来源
     Design of High Field Strength Permanent Magnetic Circuit for Rotary Room-temperature Magnetic Refrigerator
     旋转式室温磁制冷机用高场强永磁磁路的设计
短句来源
     Design of Permanent Magnetic Fields for Magnetic Refrigerator
     室温磁制冷机永磁磁场的设计
短句来源
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  磁冰箱
     This is important to the developmentof CFCl_3 pollution free magnetic refrigerator.
     在室温段也取得了重要进展,这对发展无氟污染的磁冰箱具有重要意义。
短句来源
  磁制冷
     Gd_(1-x)C_x Alloy for Making Refrigerant-Filling Case of Room Temperature Magnetic Refrigerator
     用于室温磁制冷样机工质盘的Gd_(1-x)C_x合金
短句来源
     The Curie or N'eel temperature is below 1.6K. The Weiss constants are all found smaller. As far as the magnetism in weak field of the materials was concerned, they appear suitable as working substance for the magnetic refrigerator from 1.6 K to 4.2 K.
     根据测量结果分析表明:这四种材料的磁化率与温度的关系在该温区里都遵守居里定律或居里-外斯定律,它们的居里点或奈尔点都低于1.6K,外斯常数都比较小,就磁性而论,这四种材料都可以作为工作温度在1.6一4.2K温区里的磁制冷介质。
短句来源
     It has been stated how to use permanent magnets of 1. 7Telsa to build a room temperature magnetic refrigerator.
     介绍了使用1.7T永磁体制作室温磁制冷样机实验机的情况。
短句来源
     Magnetic refrigeration cycle is the key of magnetic refrigeration technology,which is the base of high efficiency of magnetic refrigerator.
     磁制冷循环是磁制冷技术中的重要环节 ,为磁制冷机的高效运行提供了理论基础。
短句来源
     According to the magnetization character of two main kinds of permanent magnet and the magnetocaloric effects of all the conceivable magnetic refrigerants, using the magnetic circuit theorem and giving the pressure between the two ends of active magnetic refrigerator within the magnetic refrigerator, the relation between the refrigeration power and the volume of permanent magnet was roughly calculated, and the affected refrigeration capacity was discussed in detail.
     根据主要的永磁体材料磁化性质和可能的室温磁制冷材料的磁热性质,利用磁路定理并假定了通常使用的循环换热流体的压力差上限来计算磁制冷功率和永磁体体积之间的关系,进而说明室温磁制冷机的制冷量的受约束情况以及实用可能性。
短句来源
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  磁致冷机
     THE COOLING POWER AND THE EFFICIENCY OF A RECIPROCATING MAGNETIC REFRIGERATOR OPERATING BETWEEN 1.8K AND 4.2K
     工作于4.2—1.8K的往复式磁致冷机的致冷量和效率问题
短句来源
     The use of the magnetic refrigerant materials in practice was discussed and bi-cycle reciprocating magnetic refrigerator was designed at the same time.
     同时,还就磁致冷材料的实用化进行了讨论并设计了双循环往复式磁致冷机模型。
短句来源
     The fundamental working principle of magnetic refrigerator has been introduced in this paper.
     本文简要介绍了磁致冷机的基本工作原理 ;
短句来源
     The simulating method is able to evaluate the refrigerating performance and direct the research on room-temperature magnetic refrigerator.
     该方法有助于综合评定室温磁致冷装置的设计效果、指导室温磁致冷机的研制过程。
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  magnetic refrigerator
The feasibility of using hexagonal ferrimagnets with spin-orientational transitions as the working body of a magnetic refrigerator is studied.
      
A 3He Gas Heat Switch for Use in a Cyclic Magnetic Refrigerator
      
Investigation of a magnetic refrigerator working at ambient temperature
      
Features of modeling a static magnetic refrigerator for superfluid helium
      
First test results of an active-regenerator type magnetic refrigerator
      
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The susceptibilities of the rare earth materials Dy2Ti2O7, GdPO4, Gd2(SO4)3, Gd2(S04)3·8H2O were measuratured from 1.6K to 4.2 K. The results showed that the meterials investigated obey the Curie or the Curic-Weiss laws in this temperature range. The Curie or N'eel temperature is below 1.6K. The Weiss constants are all found smaller. As far as the magnetism in weak field of the materials was concerned, they appear suitable as working substance for the magnetic refrigerator from 1.6 K to 4.2 K.

我们用互感法在1.6—4.2K的温区内对稀土化合物Dy_2Ti_2O_7、GdPO_4、Gd_2(SO_4)_3、Gd_2(SO)_3·SH_2O进行了磁化率测试.其中在对Dy_2Ti_2O_7的测量中,最低温度达到了~1.4K。根据测量结果分析表明:这四种材料的磁化率与温度的关系在该温区里都遵守居里定律或居里-外斯定律,它们的居里点或奈尔点都低于1.6K,外斯常数都比较小,就磁性而论,这四种材料都可以作为工作温度在1.6一4.2K温区里的磁制冷介质。

Gd_3Ga_(5-x)Al_xO_(12) single crystal has been grown by the Czochralski rechnique. It was ascertained as garent single phase material by X-ray photography. Experimental studies of the magnetization and susceptibility of Gd_3Ga_(5-x)Al_xO12 have been carried out along the [111] crystal axis in the temperature range of 1.5 to 77 K, and compared with Gd_3Ga_5O_(12) (GGG). The primary results show that the susceptibility of this material obeys the Curie-Weiss law when the magnetic field is below 500(Oe), the ordering...

Gd_3Ga_(5-x)Al_xO_(12) single crystal has been grown by the Czochralski rechnique. It was ascertained as garent single phase material by X-ray photography. Experimental studies of the magnetization and susceptibility of Gd_3Ga_(5-x)Al_xO12 have been carried out along the [111] crystal axis in the temperature range of 1.5 to 77 K, and compared with Gd_3Ga_5O_(12) (GGG). The primary results show that the susceptibility of this material obeys the Curie-Weiss law when the magnetic field is below 500(Oe), the ordering temperature is far below 1.5 K. The magnetization of GGAG is about 4% higher than that of GGG for magnetic fields greater than l0000(Oe). When the magnetic field is about 30000 (Oe). The Critical magnetic field of GGAG is about 4000(Oe) higher than that of GGG. It is shown that the substitution technique is efficient in searching after new working substance for magnetic refrigerator.

采用提拉法制备了Gd_3Ga_(5-x)Al_xO_(12)(以下简称GGAG)单晶,经X射线粉末照相证实为石榴石型单相结构。在T=1.5—77K温区里,场强从45—6O000Oe范围内,沿[111]晶轴方向测量了磁化强度和磁化率,并与本文所用钇镓石榴石Gd_3Ga_5O_(12)(以下简称GGG)和文献[1,2]报道的GGG单晶数据作了比较。实验结果表明:(1)在场强H<500Oe时,磁化率X与温度T的关系遵守居里-外斯定律,其有序温度T_N远低于1.5K;(2)H>10000Oe时,该材料的磁化强度(或磁化率)比GGG高3—4%;(3)在H~30000Oe时,特定温度T_(min)对应的临界场H_c比GGG约高4000Oe。实验研究表明,采用离子代换法寻找新的性能良好的磁致冷剂的途径是可行的。

The main purpose of this paper is to discuss the necessary magnetic & thermal properties of refrigerants and to investigate the magretic cycles suitable for different temperature range. Firstly, the paper shows the calculation results of the magnetic entropy of ferromagnetic and paramagnetic material which is a function of temperature and applied field; secondly, the lattice entropy changed with the Debye temperature is given also. On the basis of etropy analysis, the selection principle of cycle and refrigerant...

The main purpose of this paper is to discuss the necessary magnetic & thermal properties of refrigerants and to investigate the magretic cycles suitable for different temperature range. Firstly, the paper shows the calculation results of the magnetic entropy of ferromagnetic and paramagnetic material which is a function of temperature and applied field; secondly, the lattice entropy changed with the Debye temperature is given also. On the basis of etropy analysis, the selection principle of cycle and refrigerant for magnetic refrigeration is provided. And then, the results of recent investigations on magnetic refrigerants are sumed up, these refrigerants can be divided into three groups, one for the Carnot type magnetic refrigerator below 20 K, one for the Ericsson type refrigeration between 77 to 20 K and another one for the refrigerator near room temperature, Finally, the paper points out that high efficient refrigerant and regenerator is the key to achieve the magnetic refrigeration near room temperature.

磁循环和磁工质的选择对于磁制冷的成败与否是至关重要的。本文的主要目的是讨论磁工质所必要的磁学和热学特性以及探讨适合于不同温区的磁循环。文章首先给出了铁磁或顺磁材料的随温度和外场而变化的磁熵的计算结果,以及此类材料的晶格熵随德拜温度而变化的关系。在熵分析的基础上,就可得出磁工质和磁循环的遣择原则。本文还讨论了分别适用于低于20K,20~77 K,近300K三温区的磁工质的选用。最后,文章指出,高效制冷工质和蓄冷器是获得室温磁制冷的关键所在。

 
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