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KR880007993A - Heat transfer efficiency enhancing device - Google Patents

Heat transfer efficiency enhancing device Download PDF

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Publication number
KR880007993A
KR880007993A KR1019870015187A KR870015187A KR880007993A KR 880007993 A KR880007993 A KR 880007993A KR 1019870015187 A KR1019870015187 A KR 1019870015187A KR 870015187 A KR870015187 A KR 870015187A KR 880007993 A KR880007993 A KR 880007993A
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KR
South Korea
Prior art keywords
tube
heat transfer
wall
transfer efficiency
valleys
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KR1019870015187A
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Korean (ko)
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KR950014054B1 (en
Inventor
제이·워얼 마이클
쥬니어 월터 마이클 프레쯔
더블유·패터슨 로버트
Original Assignee
스테픈 이·리바이스
유나이티드 테크놀로지스 코오포레이숀
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Publication of KR880007993A publication Critical patent/KR880007993A/en
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Publication of KR950014054B1 publication Critical patent/KR950014054B1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/24—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely
    • F28F1/32—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely the means having portions engaging further tubular elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/24—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely
    • F28F1/32—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely the means having portions engaging further tubular elements
    • F28F1/325—Fins with openings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
    • F28F13/02—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by influencing fluid boundary
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
    • F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
    • F28F13/12—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Geometry (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

내용 없음.No content.

Description

열전달 효율강화장치Heat transfer efficiency enhancing device

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도 및 제2도는 본 발명에서 적용되는 유체 및 열동력학적 개요를 설명하는 도면,1 and 2 illustrate a fluid and thermodynamic outline applied in the present invention;

제3도는 최적상태로 운전되는 유체동력학적장치를 설명하는 개략도,3 is a schematic diagram illustrating a hydrodynamic device operating optimally;

제4도는 본 발명에 따른 열교환기의 판과 튜브의 일부 개략도,4 is a partial schematic view of the plate and tube of the heat exchanger according to the invention,

제5도는 본 발명의 또 다른 실시예를 도시하는 단면도,5 is a cross-sectional view showing yet another embodiment of the present invention;

제6도는 제5도의 6-6선을 따른 도면,6 is a view along line 6-6 of FIG. 5,

제7도는 제3도의 7-7선을 따른 도면,7 is a view along line 7-7 of FIG. 3,

제7A도는 제7도의 7A-7A선을 따른 도면,7A is a view along the line 7A-7A of FIG. 7,

제8도는 본 발명의 또 다른 실시예를 도시하는 부분파단 측입면도,8 is a partially broken side elevation view showing still another embodiment of the present invention;

제9도는 제8도의 9-9선을 따른 도면,9 is a view along line 9-9 of FIG. 8,

제10도는 본 발명의 또 다른 실시예를 도시하는 부분파단 측입면도,10 is a partially broken side elevation view showing still another embodiment of the present invention;

제11도는 제10도의 11-11선을 따른 도면.11 is a view along line 11-11 of FIG.

Claims (16)

제1유기체가 유동하는 제1면을 갖는 제1벽수단이 구비된 열교환기의 열전달효율 강화장치에 있어서, 상기 열전달효율 강화장치는 상기 제1유체와 제1벽수단사이에서 열교환을 강화하는 열전달수단을 갖고, 이 열전달수단은 양측면을 갖는 와류생성벽을 구비하며, 상기 제1유체는 하류쪽 방향에서 상기 와류생성벽의 양측면상을 유동하며, 상기 와류생성벽은 하류가장자리를 갖는 얇은 제1판으로 되고, 여기에 번갈아가며 연속위치하는 로우브와 골이 형성되고, 상기 골과 로우브는 모두 하류쪽방향에서 상기 하류 가장자리까지 뻗어 있으며, 상기 와류생성벽의 일측면에 형성된 로우브는 그 반대쪽 면에 골이 있도록 배치되어 상기 와류 생성벽과 하류 가장자리가 전체적으로 파형으로 되고, 상기 로우브와 골의 형상과 크기는 모든 골에서 그 길이 전체를 걸쳐 완전 유동이 발생할 수 있도록 선택되고, 상기 와류생성벽과 그의 로우브 및 골은 상기 제1면에 인접하는 상기 하류가장자리에서 여러개의 와류를 발생할 수 있도록 위치 및 그 형상이 정해지고, 상기 여러개의 와류는 상기 로우브 및 골에 인접해서 유동하는 유동액의 유동방향인 제1방향을 따르는 여러개의 축선을 중심으로 각기 역방향으로 회전하는 것을 특징으로 하는 열전달효율강화장치.A heat transfer efficiency enhancing apparatus for a heat exchanger having a first wall means having a first surface through which a first organic fluid flows, wherein the heat transfer efficiency enhancing apparatus is a heat transfer for enhancing heat exchange between the first fluid and the first wall means. Means; said heat transfer means having a vortex generating wall having both sides, said first fluid flowing on both sides of said vortex generating wall in a downstream direction, said vortex generating wall being a thin first having a downstream edge. Plates and alternately located lobes and valleys alternately positioned, all of which extend from the downstream direction to the downstream edge, and the lobes formed on one side of the vortex wall The vortex generating wall and the downstream edge are corrugated as a whole, so that the shape and size of the lobes and the valleys are the lengths of all the valleys. A complete flow over the vortex generating wall and its lobes and valleys are positioned and shaped so as to generate several vortices at the downstream edge adjacent to the first face. The vortices of the heat transfer efficiency enhancing apparatus, characterized in that rotated in a reverse direction around a plurality of axes along the first direction, which is the flow direction of the flow fluid flowing adjacent to the lobe and the valleys. 제1항에 있어서, 상기 로우브 및 골의 상류단부에서는 그 깊이와 높이가 모두 0인것을 특징으로 하는 열전달효율 강화장치.The apparatus of claim 1, wherein the depth and height of the lobes and the upstream ends of the valleys are all zero. 제1항에 있어서, 상기 제1면은 상기 제1방향에 완전히 팽행하는 것을 특징으로 하는 열전달효율 강화장치.The heat transfer efficiency strengthening apparatus of claim 1, wherein the first surface completely expands in the first direction. 제3항에 있어서, 상기 제1면은 완전한 평면이고, 상기 제1벽 수단은 제1면에 평행하게 이격되어 있는 제2면을 구비하여 2개의 상기 면사이에 유체유동로를 형성하며, 이에따라 상기 유동로내에서 와류를 발생할 수 있도록 상기 와류생성벽의 방향이 정해지고, 이 생성벽의 로우브와 골의 형상이 정해지는 것을 특징으로 하는 열전달효율강화장치.4. The method of claim 3, wherein the first face is a complete plane and the first wall means has a second face spaced parallel to the first face to form a fluid flow path between the two face faces. The direction of the vortex generation wall is determined so that the vortex is generated in the flow path, and the shape of the lobes and valleys of the generated wall is determined. 제1항에 있어서, 상기 제1면은 상기 제1방향을 따라 상기 축선을 중심으로 원통형으로 형성되는 것을 특징으로 하는 열전달효율강화장치.The heat transfer efficiency enhancing apparatus according to claim 1, wherein the first surface is formed in a cylindrical shape about the axis along the first direction. 제5항에 있어서, 상기 제1벽은 튜브로 되어 있고, 상기 제1면은 상기튜브의 내부면이며, 상기 와류생성벽은 상기 튜브의 내부에 설치되는 것을 특징으로 하는 열전달효율강화장치.6. The heat transfer efficiency enhancing apparatus according to claim 5, wherein the first wall is a tube, the first surface is an inner surface of the tube, and the vortex generating wall is provided inside the tube. 제5항에 있어서, 상기 제1벽은 축선을 갖는 튜브로 되어 있고, 상기 제1면은 상기 튜브의 내부면이며, 상기 와류생성벽이 상기 튜브를 둘러싸고 있고, 상기 골과 로우브가 상기 튜브의 축선을 중심으로 원주방향에서 서로 이격배치되어 있는 것을 특징으로 하는 열전달효율 강화장치.6. The tube of claim 5, wherein the first wall is an axial tube, the first surface is an inner surface of the tube, the vortex generating wall surrounds the tube, and the valleys and lobes are the tube. Heat transfer efficiency strengthening device, characterized in that spaced apart from each other in the circumferential direction around the axis of the. 제6항에 있어서, 상기 열전달수단에는 상기 튜브의 길이방향을 따라 와류를 발생할 수 있도록 상기 제1방향에서 서로 이격되어 있는 여러개의 와류생성벽이 구비되어 있는 것을 특징으로 하는 열전달효율 강화장치.The apparatus of claim 6, wherein the heat transfer means includes a plurality of vortex generating walls spaced apart from each other in the first direction to generate vortices along the longitudinal direction of the tube. 제4항에 있어서, 제2유체를 상기 제1유체와 열교환관계에 있도록 유동시키기 위한 적어도 하나의 튜브를 구비하고, 상기 튜브는 상기 유동로를 가로질러 상기 제1 및 제2면과 교차하며, 상기 제1벽과는 상기 튜브의 주의에서 서로 접촉하도록 관통하고, 이에따라 상기 튜브가 상기 제1및 제2면과 교차하고, 상기 와류 생성벽의 하류 가장자리에서 하류쪽 방향으로 위치하는 것을 특징으로 하는 열전달효율강화장치.5. The apparatus of claim 4, further comprising at least one tube for flowing a second fluid in a heat exchange relationship with the first fluid, the tube intersecting the first and second surfaces across the flow path, Characterized in that the first wall penetrates in contact with each other at the attention of the tube, so that the tube intersects the first and second surfaces and is located downstream from the downstream edge of the vortex generating wall. Heat transfer efficiency enhancing device. 제4항에 있어서, 상기 하류가장자리에서의 물결형상은 그 진폭(A)이 상기 제1및 제2면사이의 거리의 50-100%인 것을 특징으로 하는 열전달효율강화장치.5. The apparatus of claim 4, wherein the wave shape at the downstream edge has an amplitude (A) of 50-100% of the distance between the first and second surfaces. 제10항에 있어서, 상기 하류가장자리에서의 물결형상은 그 파장(P)이 상기 진폭(A)의 0.5-4배인 것을 특징으로 하는 열전달효율강화장치.11. The heat transfer efficiency enhancing apparatus according to claim 10, wherein the wave shape at the downstream edge has a wavelength (P) of 0.5-4 times the amplitude (A). 제2항에 있어서, 상기 로우브와 골은 상기 와류생성벽의 양측면에서 매끄럽게 파동하는 형상으로 되어 있는 것을 특징으로 하는 열전달효율강화장치.3. The heat transfer efficiency enhancing apparatus according to claim 2, wherein the lobes and the valleys are shaped to smoothly wave on both sides of the vortex generating wall. 제12항에 있어서, 상기 하류가장자리에서의 파장이 P이고, 진폭을 A라 할때, 파장(P)/진폭(A)의 0.5-4인 것을 특징으로 하는 열전달효율강화장치.13. The heat transfer efficiency enhancing apparatus according to claim 12, wherein the wavelength at the downstream edge is P and the amplitude A is 0.5-4 of the wavelength P / amplitude A. 제1항에 있어서, 상기 하류가장자리는 측방향으로 연장형성되고, 상기벽은 제2유체를 제1유체와 열교환하도록 유동시키는 튜브이고, 상기 튜브는 상기 측방향에 평행인 축선을 갖고, 상기 제1면은 상기 튜브의 외부면인 것을 특징으로 하는 열전달효율 강화장치.The method of claim 1, wherein the downstream edge extends laterally, the wall is a tube for flowing a second fluid to exchange heat with the first fluid, the tube has an axis parallel to the lateral direction, Heat transfer efficiency strengthening device, characterized in that one side is the outer surface of the tube. 제13항에 있어서, 상기 여러개의 튜브는 각각 서로에 대해 평행으로 이격배치되어 있고, 상기 와류생성벽과 그의 로우브 및 골은 한쌍의 튜브사이에서 상기 튜브의 외부면위에 와류가 발생하도록 위치되고 그 형상이 정해지는 것을 특징으로 하는 열전달효율강화장치.14. The method of claim 13, wherein the plurality of tubes are each spaced apart in parallel to each other, the vortex generating wall and its lobes and valleys are positioned such that vortices occur on the outer surface of the tube between the pair of tubes. A heat transfer efficiency enhancing apparatus, characterized in that the shape is determined. 제9항에 있어서, 상기 열교환기는 튜브와 열판을 구비하는 형식의 열교환기이며, 상기 열전달수단은 조밀하게 이격되어 배치된 여러개의 얇은 제1판으로 구성되어 있으며, 상기 제1벽에는 상기 제1판에 평행하고 서로 이격배치된 얇은 제2판이 포함되어 인접하는 한쌍의 제2판사이에 유동로가 형성되고, 상기 유동로는 모두 그 하류단부가 상기 제1판의 하류가장자리와 일치되게 배치되며, 상기 튜브중 적어도 하나이상이 상기 유동로를 가로질러 설치되는 것을 특징으로 하는 열전달효율강화장치.10. The heat exchanger of claim 9, wherein the heat exchanger is a heat exchanger having a tube and a hot plate, and the heat transfer means is composed of a plurality of thin first plates spaced apart from each other. A thin second plate parallel to and spaced apart from each other is included to form a flow path between a pair of adjacent second plates, all of which are arranged at the downstream end thereof to coincide with the downstream edge of the first plate, At least one of said tubes is installed across said flow path. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019870015187A 1986-12-29 1987-12-29 Heat transfer enhancing divice KR950014054B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US94734986A 1986-12-29 1986-12-29
US947349 1986-12-29
US947,349 1986-12-29

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KR880007993A true KR880007993A (en) 1988-08-30
KR950014054B1 KR950014054B1 (en) 1995-11-20

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DE839508C (en) * 1942-10-18 1952-05-19 Brown Finned tube heat exchanger
US2488615A (en) * 1942-11-11 1949-11-22 Modine Mfg Co Oil cooler tube
FR946793A (en) * 1947-03-27 1949-06-14 Manuf Generale Metallurg Heat exchange device

Also Published As

Publication number Publication date
EP0275813B1 (en) 1991-02-27
JP2520680B2 (en) 1996-07-31
EP0275813A1 (en) 1988-07-27
JPS63194193A (en) 1988-08-11
KR950014054B1 (en) 1995-11-20
BR8707080A (en) 1988-08-02

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