CN104181194A - Experimental device for studying heat transfer property of magnetic liquid - Google Patents
Experimental device for studying heat transfer property of magnetic liquid Download PDFInfo
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- CN104181194A CN104181194A CN201410429534.6A CN201410429534A CN104181194A CN 104181194 A CN104181194 A CN 104181194A CN 201410429534 A CN201410429534 A CN 201410429534A CN 104181194 A CN104181194 A CN 104181194A
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- pole shoe
- water nozzle
- magnetic liquid
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Abstract
The invention relates to an experimental device for studying the heat transfer property of magnetic liquid, belonging to research experiments on the heat transfer property of the magnetic liquid. The experimental device is characterized in that a first left water nozzle (8-1) and a second left water nozzle (8-2) are arranged on the left end surface and the upper end surface of a left pole shoe (7), a first right water nozzle (11-1) and a second right water nozzle (11-2) are arranged on the right end surface and the upper end surface of a right pole shoe (10), a clamp (13) and a right pole shoe assembly are connected by a bolt (12) and a first nut (15), the clamp (13) is sheathed on a guide rod (14), the guide rod (14) is fixed in a bottom plate (2) by a gasket (16) and a second nut (17), a temperature control electric heating plate (3) is arranged on the bottom plate (2), a concentrating flux plate (5) is arranged on the upper end surface of the temperature control electric heating plate (3), magnetic liquid (6) is filled between the concentrating flux plate (5) and the end surface of the pole shoe, and the heat transfer property of the magnetic liquid can be researched through reading change of a digital thermometer (4). The experimental device has a simple structure and is convenient to assemble.
Description
Technical field
The present invention relates to a kind of experimental provision of probing into magnetic liquid heat transfer property, be applicable to the research experiment to magnetic fluid sealing heat transfer characteristic.
Background technology
Magnetic fluid sealing has the advantages such as zero leakage, long-life, high reliability, thereby has obtained wide application in field of sealing technology.But along with the development of the industries such as aviation, military project, the energy, electric power, sealing has been proposed to more and more higher requirement, for example the linear velocity of the turning axle to sealing requires more and more higher.And magnetic fluid sealing be applied to High Rotation Speed when sealing will cause friction dissipate become large, magnetic liquid heating quantitative change is large, temperature raises, thereby causes magnetic to decline, viscosity reduces, base load liquid volatilization quantitative change is large, affects sealing property and life-span.Visible, the heating of high linear speed condition magnetic liquid is serious, is the key factor of restriction magnetic liquid in the application of high linear speed field of sealing technology.Carry out the research of magnetic liquid heat transfer property to solving a magnetic liquid High Rotation Speed sealing difficult problem, promote magnetic liquid and have very important significance in the application of the High Rotation Speed sealing in the field such as aviation, military project.Heat transfer characteristic for common liq is mainly studied its convection heat transfer, but magnetic liquid is having its distinctive character as a kind of novel functional material aspect heat transfer characteristic.Magnetic liquid shows anisotropy under magnetic fields, and the quality of its heat transfer property is subject to the impact in magnetic field very large, therefore the experimental provision of traditional Study of Liquid heat transfer characteristic cannot meet the research of magnetic liquid heat transfer characteristic.And rarely having report for the experimental provision of magnetic liquid Research on Heat Transfer Characteristics specially, the device having had also exists the problem such as complex structure, operation inconvenience.The present invention proposes a kind of experimental provision of studying magnetic liquid heat transfer property, this device can be under identical experiment condition, study the heat transfer property of different magnetic liquids by the temperature of different magnetic liquids in seal clearance under measurement magnetic fields, successfully meet the Research Requirements to magnetic liquid heat transfer characteristic, there is very high value for solving a magnetic liquid High Rotation Speed sealing difficult problem.
Summary of the invention
The technical issues that need to address of the present invention are, design a kind of experimental provision of studying magnetic liquid heat transfer property, make it simple to operate, reliable, study easily the quality of magnetic liquid heat transfer property.
The technical solution adopted for the present invention to solve the technical problems is:
Study an experimental provision for magnetic liquid heat transfer property, form this device and comprise:
The first feet, the second feet, the 3rd feet, base plate, temp. controlled electric heating plate, digital thermometer, magnetic conductive board, magnetic liquid, left pole shoe, the first left water nozzle, the second left water nozzle, permanent magnet, right pole shoe, the first right water nozzle, the second right water nozzle, bolt, fixture, guide rod, the first nut, pad, the second nut;
Form the connection between the each several part of this device:
Described the first feet is arranged in the threaded hole a on base plate, and described the second feet is arranged in the threaded hole b on base plate, and described the 3rd feet is arranged in the threaded hole c on base plate;
Guide rod is arranged in the hole d on base plate, by pad and the second nut, guide rod is fixed on base plate;
Described the first left water nozzle is arranged on left pole shoe left side place, between the first left water nozzle and left pole shoe, is threaded connection; Described the second left water nozzle is arranged on left pole shoe upper end surface, between the second left water nozzle and left pole shoe, is threaded connection.Above-mentioned assembling process forms left pole shoe member;
Described the first right water nozzle is arranged on right pole shoe right side place, between the first right water nozzle and right pole shoe, is threaded connection; Described the second right water nozzle is arranged on right pole shoe upper end surface, between the second right water nozzle and right pole shoe, is threaded connection.Above-mentioned assembling process forms right pole shoe member;
Described permanent magnet is arranged on the right side place of left pole shoe member, and described right pole shoe member is arranged on the right side place of permanent magnet; Fixture is snapped in the boss on the right side of right pole shoe member, with the first nut, fixture is connected together with right pole shoe member with bolt.Above-mentioned assembling process forms slide assemblies;
Fixture on described slide assemblies is enclosed within on guide rod, between fixture and guide rod, is threaded connection;
Described temp. controlled electric heating plate is arranged on the upper end surface of base plate, and described magnetic conductive board is arranged on the upper end surface of temp. controlled electric heating plate;
Between the left pole shoe of slide assemblies and right pole shoe and magnetic conductive board, inject magnetic liquid, the temperature point of digital thermometer is sticked on to the magnetic conductive board upper wall surface contacting with magnetic liquid.
The first feet, the second feet, the 3rd feet are arranged on respectively in threaded hole a, b on base plate, c, are used for the level of regulating base board position.
Left pole shoe, permanent magnet and right pole shoe are rectangular block, and permanent magnet is arranged on the right side place of left pole shoe member and the left side place of right pole shoe member; Fixture is snapped in the boss on the right side of right pole shoe member and form slide assemblies; Between fixture on slide assemblies and guide rod, be threaded connection, regulate the gap between slide assemblies and magnetic conductive board.
Magnetic conductive board is placed on temp. controlled electric heating plate upper end surface and heats, temperature range: 25-300 DEG C.
The centre of left pole shoe and right pole shoe has cylindrical tank, and described the first left water nozzle is arranged on left pole shoe left side place, as cooling water inlet; Described the second left water nozzle that is arranged on left pole shoe upper end surface with described in be arranged on right pole shoe right side place the first right water nozzle be connected by water pipe; Described the second right water nozzle is arranged on right pole shoe upper end surface, as coolant outlet.Form circulating water cooling system.
Between the end face of left pole shoe and right pole shoe and magnetic conductive board, inject magnetic liquid, the temperature point of digital thermometer is arranged on magnetic liquid centerline, changes the experimental study that carries out magnetic liquid heat transfer property by temperature reading.
The present invention compares with prior art, and tool has the following advantages:
(1) impact of magnetic field on magnetic liquid heat transfer property considered in the design of magnetic conductive board, permanent magnet and pole shoe part, makes reliable results.
(2) design that is threaded between guide rod and slide assemblies can regulate the gap between slide assemblies and magnetic conductive board easily, has considered the impact of seal clearance.
(3) while experiment, can study intuitively the heat transfer property of magnetic liquid by the reading of thermometer.
(4) design of feet can regulate the level of experimental provision, and the surface that contacts magnetic liquid is heated evenly.
(5) water nozzle makes to assemble simple and convenient with the design that is threaded of pole shoe.
In a word, this apparatus structure is simple, easy to assembly, easy operating.
Brief description of the drawings
A kind of experimental provision front view of studying magnetic liquid heat transfer property of Fig. 1.
The K of Fig. 2 Fig. 1 is to view.
The front view of the left pole shoe of Fig. 3.
The left view of the left pole shoe of Fig. 4.
The front view of the right pole shoe of Fig. 5.
The left view of the right pole shoe of Fig. 6.
The front view of the left water nozzle of Fig. 7 first and the first right water nozzle.
The front view of the left water nozzle of Fig. 8 second and the second right water nozzle.
The front view of Fig. 9 fixture.
The front view of Figure 10 guide rod.
Embodiment
Taking accompanying drawing as embodiment, the invention will be further described:
A kind of experimental provision of studying magnetic liquid heat transfer property, as Fig. 1,2, this device comprises: the first feet 1-1, the second feet 1-2, the 3rd feet 1-3, base plate 2, temp. controlled electric heating plate 3, digital thermometer 4, magnetic conductive board 5, magnetic liquid 6, left pole shoe 7, the first left water nozzle 8-1, the second left water nozzle 8-2, permanent magnet 9, right pole shoe 10, the first right water nozzle 11-1, the second right water nozzle 11-2, bolt 12, fixture 13, guide rod 14, the first nut 15, pad 16, the second nut 17;
Form the connection between the each several part of this device:
Described the first feet 1-1 is arranged in the threaded hole a on base plate 2, and described the second feet 1-2 is arranged in the threaded hole b on base plate 2, and described the 3rd feet 1-3 is arranged in the threaded hole c on base plate 2;
Guide rod 14 is arranged in the hole d on base plate 2, by pad 16 and the second nut 17, guide rod 14 is fixed in base plate 2;
Described the first left water nozzle 8-1 is arranged on left pole shoe 7 left side places, between the first left water nozzle 8-1 and left pole shoe 7, is threaded connection; Described the second left water nozzle 8-2 is arranged on left pole shoe 7 upper end surfaces, between the second left water nozzle 8-2 and left pole shoe 7, is threaded connection.Above-mentioned assembling process forms left pole shoe member;
Described the first right water nozzle 11-1 is arranged on right pole shoe 10 right side places, between the first right water nozzle 11-1 and right pole shoe 10, is threaded connection; Described the second right water nozzle 11-2 is arranged on right pole shoe 10 upper end surfaces, between the second right water nozzle 11-2 and right pole shoe 10, is threaded connection.Above-mentioned assembling process forms right pole shoe member;
Described permanent magnet 9 is arranged on the right side place of left pole shoe member, and described right pole shoe member is arranged on the right side place of permanent magnet 9; Fixture 13 is snapped in the boss on the right side of right pole shoe member, with the first nut 15, fixture 13 is connected together with right pole shoe member with bolt 12.Above-mentioned assembling process forms slide assemblies;
Fixture 13 on described slide assemblies is enclosed within on guide rod 14, between fixture 13 and guide rod 14, is threaded connection;
Described temp. controlled electric heating plate 3 is arranged on the upper end surface of base plate 2, and described magnetic conductive board 5 is arranged on the upper end surface of temp. controlled electric heating plate 3;
Between the left pole shoe 7 of slide assemblies and right pole shoe 10 and magnetic conductive board 5, inject magnetic liquid 6, the temperature point of digital thermometer 4 is sticked on the magnetic conductive board wall contacting with magnetic liquid.
Left pole shoe 7 and right pole shoe 10 are contour rectangular block, and as shown in Fig. 3, Fig. 5, center has identical cylindrical tank.
The upper part of the cylindrical tank of left pole shoe 7 and right pole shoe 10 has identical threaded hole e, g, end face has identical threaded hole f, h, as shown in Fig. 4, Fig. 6, structural difference is that there is a boss that has hole i the right side of right pole shoe 10.
The first left water nozzle 8-1 is identical with the first right water nozzle 11-1 physical dimension, and as shown in Figure 7, the screw thread of water nozzle and threaded hole f, h size are coincide, and do not have threaded one end external water pipe.
The second left water nozzle 8-2 is identical with the second right water nozzle 11-2 physical dimension, and as shown in Figure 8, the screw thread of water nozzle and threaded hole e, g size are coincide, and do not have threaded one end external water pipe.
Fixture 13, as shown in Figure 9, hole j, k are communicated with the hole i of Fig. 6, with the first nut 15, fixture 13 are connected together with right pole shoe member with bolt 12, and fixture 13 also has threaded hole l.
Guide rod 14, as shown in figure 10, the threaded hole l size of the screw thread of guide rod 14 upper parts and Fig. 9 is coincide, and the hole d size of screw thread below and Fig. 2 is coincide, and by pad 16 and the second nut 17, guide rod 14 is fixed in base plate 2.
Permanent magnet 9 is rectangular parallelepiped, material selection neodymium iron boron.
Magnetic conductive board 5 is rectangular parallelepiped, material selection 2Cr13.
Left pole shoe 7 and right pole shoe 10, material selection 2Cr13.
Base plate 2, the first left water nozzle 8-1, the second left water nozzle 8-2, the first right water nozzle 11-1, the second right water nozzle 11-2, fixture 13 and guide rod 14, material selection non-magnet_conductible material, as 304 stainless steels.
Between the end face of left pole shoe 7 and right pole shoe 10 and magnetic conductive board 5, inject magnetic liquid 6, magnetic conductive board 5 is placed on the upper surface of temp. controlled electric heating plate 3 and heats, the cylindrical tank of left pole shoe 7 and right pole shoe 10 is communicated with water nozzle, by the first left water nozzle 8-1 as cooling water inlet; The second left water nozzle 8-2 is connected with the first right water nozzle 11-1 water pipe; The second right water nozzle 11-2, as coolant outlet, reaches the cooling to left pole shoe 7 and right pole shoe 10, takes away the heat of heated magnetic liquid 6.The temperature point of digital thermometer 4 is arranged on the position of center line place of magnetic liquid 6, changes the research of carrying out magnetic liquid heat transfer property by temperature reading.
Claims (3)
1. an experimental provision of studying magnetic liquid heat transfer property, is characterized in that:
Forming this device comprises: the first feet (1-1), the second feet (1-2), the 3rd feet (1-3), base plate (2), temp. controlled electric heating plate (3), digital thermometer (4), magnetic conductive board (5), magnetic liquid (6), left pole shoe (7), the first left water nozzle (8-1), the second left water nozzle (8-2), permanent magnet (9), right pole shoe (10), the first right water nozzle (11-1), the second right water nozzle (11-2), bolt (12), fixture (13), guide rod (14), the first nut (15), pad (16), the second nut (17),
Form the connection between the each several part of this device:
Described the first feet (1-1) is arranged in the threaded hole a on base plate (2), described the second feet (1-2) is arranged in the threaded hole b on base plate (2), and described the 3rd feet (1-3) is arranged in the threaded hole c on base plate (2);
Guide rod (14) is arranged in the hole d on base plate (2), by pad (16) and the second nut (17), guide rod (14) is fixed in base plate (2);
Described the first left water nozzle (8-1) is arranged on left pole shoe (7) left side place, between the first left water nozzle (8-1) and left pole shoe (7), is threaded connection; Described the second left water nozzle (8-2) is arranged on left pole shoe (7) upper end surface, between the second left water nozzle (8-2) and left pole shoe (7), is threaded connection.Above-mentioned assembling process forms left pole shoe member;
Described the first right water nozzle (11-1) is arranged on right pole shoe (10) right side place, between the first right water nozzle (11-1) and right pole shoe (10), is threaded connection; Described the second right water nozzle (11-2) is arranged on right pole shoe (10) upper end surface, between the second right water nozzle (11-2) and right pole shoe (10), is threaded connection.Above-mentioned assembling process forms right pole shoe member;
Described permanent magnet (9) is arranged on the right side place of left pole shoe member, and described right pole shoe member is arranged on the right side place of permanent magnet (9); Fixture (13) is snapped in the boss on the right side of right pole shoe member, with the first nut (15), fixture (13) is connected together with right pole shoe member with bolt (12).Above-mentioned assembling process forms slide assemblies;
It is upper that fixture (13) on described slide assemblies is enclosed within guide rod (14), between fixture (13) and guide rod (14), is threaded connection;
Described temp. controlled electric heating plate (3) is arranged on the upper end surface of base plate (2), and described magnetic conductive board (5) is arranged on the upper end surface of temp. controlled electric heating plate (3);
Between the left pole shoe (7) of slide assemblies and right pole shoe (10) and magnetic conductive board (5), inject magnetic liquid (6), the temperature point of digital thermometer (4) is sticked on to the magnetic conductive board upper wall surface contacting with magnetic liquid.
2. a kind of experimental provision of studying magnetic liquid heat transfer property according to claim 1, is characterized in that:
Described the first feet (1-1), the second feet (1-2), the 3rd feet (1-3) are arranged on respectively in threaded hole a, b on base plate (2), c, are used for the level of regulating base board (2) position.
3. a kind of experimental provision of studying magnetic liquid heat transfer property according to claim 1, is characterized in that:
Described left pole shoe (7), permanent magnet (9) and right pole shoe (10) are rectangular block, and permanent magnet (9) is arranged on the right side place of left pole shoe member and the left side place of right pole shoe member; Fixture (13) is snapped in the boss on the right side of right pole shoe member and form slide assemblies; Between fixture (13) on slide assemblies and guide rod (14), be threaded connection, regulate the gap between slide assemblies and magnetic conductive board (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410429534.6A CN104181194B (en) | 2014-08-28 | 2014-08-28 | A kind of experimental provision studying magnetic liquid heat transfer property |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410429534.6A CN104181194B (en) | 2014-08-28 | 2014-08-28 | A kind of experimental provision studying magnetic liquid heat transfer property |
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| Publication Number | Publication Date |
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| CN104181194A true CN104181194A (en) | 2014-12-03 |
| CN104181194B CN104181194B (en) | 2015-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410429534.6A Expired - Fee Related CN104181194B (en) | 2014-08-28 | 2014-08-28 | A kind of experimental provision studying magnetic liquid heat transfer property |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111638017A (en) * | 2020-06-09 | 2020-09-08 | 河南理工大学 | Shear thinning and temperature coupling magnetorheological fluid sealing performance detection system and method |
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| JP2006288384A (en) * | 2005-02-08 | 2006-10-26 | Fuji Photo Film Co Ltd | Magnetic composite material and method for producing the same, method for removing substance having mannose on surface and method for concentrating substance having mannose on surface |
| CN200943707Y (en) * | 2006-06-16 | 2007-09-05 | 北京交通大学 | High temperature magnetic liquid seal water-cooling device |
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| CN102102763A (en) * | 2011-01-09 | 2011-06-22 | 北京交通大学 | Magnetic liquid sealing device with heating by electromagnetic waves |
-
2014
- 2014-08-28 CN CN201410429534.6A patent/CN104181194B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2006288384A (en) * | 2005-02-08 | 2006-10-26 | Fuji Photo Film Co Ltd | Magnetic composite material and method for producing the same, method for removing substance having mannose on surface and method for concentrating substance having mannose on surface |
| CN1737531A (en) * | 2005-07-11 | 2006-02-22 | 中国矿业大学 | Magnetic liquid apparent viscosity tester and method of testing thereof |
| CN200943707Y (en) * | 2006-06-16 | 2007-09-05 | 北京交通大学 | High temperature magnetic liquid seal water-cooling device |
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Non-Patent Citations (1)
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| 王正良等: "《磁场强化磁性液体自然对流传热的实验研究》", 《仪器仪表学报》, vol. 26, no. 7, 31 July 2005 (2005-07-31) * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111638017A (en) * | 2020-06-09 | 2020-09-08 | 河南理工大学 | Shear thinning and temperature coupling magnetorheological fluid sealing performance detection system and method |
| CN111638017B (en) * | 2020-06-09 | 2021-11-05 | 河南理工大学 | Shear thinning and temperature coupling magnetorheological fluid sealing performance detection system and method |
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| CN104181194B (en) | 2015-08-05 |
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