JP6517768B2 - 磁性流体駆動装置及び磁性流体駆動方法 - Google Patents
磁性流体駆動装置及び磁性流体駆動方法 Download PDFInfo
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- 239000011553 magnetic fluid Substances 0.000 title claims description 203
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- 230000005415 magnetization Effects 0.000 description 12
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 150000002430 hydrocarbons Chemical class 0.000 description 4
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- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
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- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- JIYIUPFAJUGHNL-UHFFFAOYSA-N [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[Mn++].[Mn++].[Mn++].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Zn++].[Zn++] Chemical compound [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[Mn++].[Mn++].[Mn++].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Zn++].[Zn++] JIYIUPFAJUGHNL-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
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- 239000010931 gold Substances 0.000 description 2
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
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- 229910052759 nickel Inorganic materials 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
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- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B19/00—Machines or pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B1/00 - F04B17/00
- F04B19/006—Micropumps
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- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/02—Materials undergoing a change of physical state when used
- C09K5/04—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa
- C09K5/048—Boiling liquids as heat transfer materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/0205—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust using heat exchangers
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- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/04—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust using liquids
- F01N3/043—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust using liquids without contact between liquid and exhaust gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N5/00—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy
- F01N5/02—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy the devices using heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B19/00—Machines or pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B1/00 - F04B17/00
- F04B19/20—Other positive-displacement pumps
- F04B19/24—Pumping by heat expansion of pumped fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F1/00—Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped
- F04F1/18—Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped the fluid medium being mixed with, or generated from the liquid to be pumped
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/06—Control arrangements therefor
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- F28—HEAT EXCHANGE IN GENERAL
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- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D21/0001—Recuperative heat exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
- F01N2240/05—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being a magnetic, e.g. electromagnetic, device other than a valve
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2260/00—Exhaust treating devices having provisions not otherwise provided for
- F01N2260/02—Exhaust treating devices having provisions not otherwise provided for for cooling the device
- F01N2260/024—Exhaust treating devices having provisions not otherwise provided for for cooling the device using a liquid
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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Description
μ0:真空透磁率
χ:磁化率
α:磁性流体の空隙率
T:加熱部における磁性流体の温度
T0:非加熱部における磁性流体の温度
Tc:磁性微粒子のキュリー温度
H:磁場
前記二重管の外側に配置された磁場印加部と、
を有し、
前記内側管は、前記磁場印加部によって磁場が印加される領域内に、前記内側管の長さ方向に並置された高熱伝導領域及び低熱伝導領域を有し、
前記内側管の内部は熱媒体の流路であり、且つ前記内側管と前記外側管との間は磁性流体の流路である、
磁性流体駆動装置。
前記磁場印加部によって磁場を印加しつつ、前記内側管の内側に熱媒体を流通させる、
[1]に記載の磁性流体駆動装置を用いて磁性流体を駆動させる方法。
内側管、及び前記内側管の外側に形成された外側管を有する二重管と、
前記二重管の外側に配置された磁場印加部と、
を有し、
前記内側管は、前記磁場印加部によって磁場が印加される領域内に、前記内側管の長さ方向に並置された高熱伝導領域及び低熱伝導領域を有し、
前記内側管の内部は熱媒体の流路であり、且つ前記内側管と前記外側管との間は磁性流体の流路である、
磁性流体駆動装置である。
内側管と外側管との間に磁性流体を流通可能に配置し、且つ
磁場印加部によって磁場を印加しつつ、内側管の内側に熱媒体を流通させる、上記の磁性流体駆動装置を用いて行う磁性流体の駆動方法である。
本実施形態の磁性流体駆動装置における二重管は、内側管と、該内側管の外側に形成された外側管と、を有する。
磁場印加部は、二重管の外側に配置され、二重管(特に流路中の磁性流体)に磁場を印加することのできる磁石であってよい。印加される磁場の分布は、磁場が印加される全領域にわたって極性反転しない略台形状の磁場分布が理想的である。
本実施形態の磁性流体駆動装置は、上記の二重管及び磁場印加部の他、磁場印加部として電磁石を採用する場合には、該電磁石のための電源装置及び制御装置を有していてよい。
本実施形態において使用される磁性流体は、磁性微粒子と、該磁性微粒子を分散して含有する母液とを含有し、任意的に母液よりも沸点の低い低沸点溶媒を更に含有してよい。
磁性流体を駆動させる本実施形態においては、二重管の内側管と外側管との間に配置された磁性流体に対し、磁場印加部によって磁場を印加する。
上記のように、二重管の内側管と外側管との間に磁性流体を流通可能に配置し、磁場印加部によって磁場を印加した状態で、内側管の内側に熱媒体を流通させることにより、磁性流体を駆動することができる。
本実施形態の磁性流体の駆動方法は、磁性流体を駆動させることによって熱媒体の熱を他所に輸送する、熱輸送方法として適用することができる。即ち、本実施形態の磁性流体の駆動方法によると、熱媒体が有していた熱量のうちの少なくとも一部が磁性流体に移動するから、該磁性流体を駆動させることによって、熱媒体の熱を、磁性流体とともに他所に輸送することができる。
図3に示した磁性流体駆動装置、及び図4に示した磁性流体駆動システムを試作し、磁性流体の駆動試験を行った。
外径120mm及び内径110mmの内側管11と、外径150mm及び内径140mmの外側管12と、を有する、真鍮製の二重管10の外側に、
単位長さ当たりの巻き数:n=10,000回/mのソレノイドコイルを有する長さ200mmの磁場印加部30
を有する。
磁性流体としては、ケロシンベースの感温性磁性流体TS−50K(商品名、(株)イチネンケミカルズ製、キュリー温度:528K)80質量%及びn−ヘキサン(和光純薬工業(株)製)20質量%の混合物を用いた。熱媒体としては、熱風ブロワー25によって発生させた、温度:360℃、流量:570L/分の熱風を用いた。印加磁場強度は63.4mTとした。
熱風ブロワー25によって供給される熱風の温度を310℃とした他は実施例1と同様にして、磁性流体の自己循環実験を行った。実験結果は、表1及び図5に、実施例1の結果とともに示した。
11 内側管
12 外側管
12a 磁性流体入口
12b 磁性流体出口
21 高熱伝導領域
22 低熱伝導領域
25 熱風ブロワー
30 磁場印加部
31 直流電源
40 冷却部(熱交換器)
41 循環器
42a、42b ポンプ
50 磁性流体の駆動方向を示す矢印
51 磁性流体流路
55 熱媒体の流れ方向を示す矢印
61 流量計
62 予備ヒーター
100 磁性流体駆動装置
200 磁性流体駆動システム
C1 高熱伝導領域において磁性流体に供給される熱量
C2 低熱伝導領域において磁性流体に供給される熱量
F1 右方向への磁気体積力
F2 左方向への磁気体積力
H 磁場
Claims (4)
- 内側管、及び前記内側管の外側に形成された外側管を有する二重管と、
前記二重管の外側に配置された磁場印加部と、
を有し、
前記内側管は、前記磁場印加部によって磁場が印加される領域内に、前記内側管の長さ方向に並置された高熱伝導領域及び低熱伝導領域を有し、
前記内側管の内部は熱媒体の流路であり、且つ前記内側管と前記外側管との間は磁性流体の流路である、
磁性流体駆動装置。 - 前記内側管と前記外側管との間に磁性流体を流通可能に配置し、且つ
前記磁場印加部によって磁場を印加しつつ、前記内側管の内側に熱媒体を流通させる、
請求項1に記載の磁性流体駆動装置を用いて磁性流体を駆動させる方法。 - 前記熱媒体が内燃機関から排出される排ガスである、請求項2に記載の方法。
- 請求項2又は3に記載の方法によって磁性流体を駆動させることにより、前記熱媒体の熱を輸送する、熱輸送方法。
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US15/673,581 US10557462B2 (en) | 2016-10-07 | 2017-08-10 | Magnetic fluid drive unit and magnetic fluid driving method |
CN201710814987.4A CN107917631B (zh) | 2016-10-07 | 2017-09-12 | 磁流体驱动装置、磁流体驱动方法以及热输送方法 |
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