[특허]Plate-like air-cooled engine surface cooler with fluid channel and varying fin geometry

General Electric Company

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특허 상세정보

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Plate-like air-cooled engine surface cooler with fluid channel and varying fin geometry

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F28F-013/00 F28F-003/02 B23P-015/26 F28D-001/02 F02K-003/115 F28F-003/04 F28F-021/08 F28D-001/06 F28F-001/16 F28F-013/12
출원번호	US-0560779 (2012-07-27)
등록번호	US-9599410 (2017-03-21)
발명자 / 주소	Antel, Jr., William Joseph Diaz, Carlos Enrique Benignos, Jorge Carretero
출원인 / 주소	General Electric Company
대리인 / 주소	McCarthy, Robert M.
인용정보	피인용 횟수 : 2 인용 특허 : 15

초록
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A surface cooler includes a plate-like layer and a plurality of spaced-apart fins extending substantially perpendicular from an uppermost layer of the plate-like layer. The plurality of fins defining a plurality of air flow paths. The plurality of spaced-apart fins are configured to augment heat transfer of the surface cooler by increasing the turbulence levels of a fluid flowing through the airflow paths by promoting increased mixing with a resulting increase in the heat transfer coefficient of the surface cooler. A method of forming the surface cooler ...

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1. A surface cooler comprising: a plate-shaped layer comprising a thermally conductive material; anda plurality of spaced-apart fins extending substantially perpendicular from an uppermost layer of the plate-shaped layer, each of the plurality of spaced-apart fins including at least two sloping sides disposed on perpendicular sides extending from a bottom exterior of the fin atop the plate-shaped layer to a tip spaced a distance from the plate-shaped layer, the plurality of fins comprising a thermally conductive material and defining a plurality of air flow paths,wherein the plurality of spaced-apart fins is configured in a plurality of aligned rows, each row of the plurality of aligned rows oriented so as to extend in a direction parallel to an incoming fluid flow,wherein at least one of the plurality of spaced-apart fins in each of the plurality of aligned rows varies in height with respect to another one of the plurality of spaced-apart fins in each of the plurality of aligned rows and relative to a thickness of a non-linear formed boundary layer on a surface of the plate-like layer, so as to extend above the boundary layer and remain in a main portion of the incoming fluid flow and as the height of the plurality of spaced-apart fins in each of the plurality of aligned rows varies, the cross sectional area of the plurality of spaced-apart fins varies,wherein the one or more sloping sides define an increase in a volume of the plurality of air flow paths moving from the bottom exterior of the fins to the tip of the fins in contiguous rows in at least one of parallel to the incoming fluid flow or perpendicular to the incoming fluid flow, andwherein the plurality of spaced-apart fins augment heat transfer of the surface cooler by increasing the turbulence levels of a fluid flowing through the airflow paths by promoting increased mixing with a resulting increase in the heat transfer coefficient of the surface cooler. 2. The surface cooler of claim 1, further comprising at least one fluidic conduit disposed in the plate-shaped layer, wherein the at least one fluidic conduit is configured to carry fluid to be cooled. 3. The surface cooler of claim 1, wherein the plate-shaped layer comprises one of a solid metal, a metal foam, a carbon foam or a combination thereof. 4. The surface cooler of claim 3, wherein the solid metal is aluminum. 5. The surface cooler of claim 1, wherein the plurality of spaced-apart fins comprises a solid metal, a metal foam, a carbon foam or a combination thereof. 6. The surface cooler of claim 5, wherein the solid metal is aluminum. 7. A surface cooler comprising: a plate-shaped layer comprising one of a solid metal, a metal foam, a carbon foam or a combination thereof;at least one fluidic conduit disposed in the plate-shaped layer, wherein the at least one fluidic conduit is configured to carry fluid to be cooled; anda plurality of spaced-apart fins extending substantially perpendicular from an uppermost layer of the plate-shaped layer, each of the plurality of spaced-apart fins including at least two sloping sides disposed on perpendicular sides extending from a bottom exterior of the fin atop the plate-shaped layer and a tip spaced a distance from the plate-shaped layer, the plurality of fins comprising a thermally conductive material and defining a plurality of air flow paths,wherein the plurality of spaced-apart fins is configured in a plurality of rows, each row of the plurality of aligned rows oriented so as to extend in a direction parallel to an incoming fluid flow,wherein at least one of the plurality of spaced-apart fins in each of the plurality of aligned rows varies in height with respect to another one of the plurality of spaced-apart fins in each of the plurality of aligned rows and relative to a thickness of a non-linear formed boundary layer on a surface of the plate-like layer, so as to extend above the boundary layer and remain in a main portion of the incoming fluid flow and as the height of the plurality of spaced-apart fins in each of the plurality of aligned rows varies, the cross sectional area of the plurality of spaced-apart fins varies,wherein the one or more sloping sides define an increase in a volume of the plurality of air flow paths moving from the bottom exterior of the fins to the tip of the fins in contiguous rows in at least one of parallel to the incoming fluid flow or perpendicular to the incoming fluid flow;wherein the plurality of spaced-apart fins augment heat transfer of the surface cooler by increasing the turbulence levels of a fluid flowing through the airflow paths by promoting increased mixing with a resulting increase in the heat transfer coefficient of the surface cooler. 8. The surface cooler of claim 7, wherein the solid metal is aluminum. 9. The surface cooler of claim 7, wherein the plurality of spaced-apart fins comprises a solid metal, a metal foam, a carbon foam or a combination thereof. 10. The surface cooler of claim 9, wherein the solid metal is aluminum. 11. A method of forming a surface cooler, comprising: forming a plate-shaped layer;disposing at least one fluidic conduit in the plate-shaped layer, wherein the at least one fluidic conduit is configured to carry fluid to be cooled; andmachining the plate-shaped layer to form a plurality of spaced-apart fins extending substantially perpendicular from an uppermost layer of the plate-shaped layer, each of the plurality of spaced-apart fins including at least two sloping sides disposed on perpendicular sides extending from a bottom exterior of the fin atop the plate-shaped layer to a tip spaced a distance from the plate-shaped layer, the plurality of fins comprising a thermally conductive material and defining a plurality of air flow paths,wherein the plurality of spaced-apart fins is configured in a plurality of aligned rows, each row of the plurality of aligned rows oriented so as to extend in a direction parallel to an incoming fluid flow,wherein at least one of the plurality of spaced-apart fins in each of the plurality of aligned rows varies in height with respect to another one of the plurality of spaced-apart fins in each of the plurality of aligned rows and relative to a thickness of a non-linear formed boundary layer on a surface of the plate-like layer, so as to extend above the boundary layer and remain in a main portion of the incoming fluid flow and as the height of the plurality of spaced-apart fins in each of the plurality of aligned rows varies, the cross sectional area of the plurality of spaced-apart fins varies,wherein the one or more sloping sides define an increase in a volume of the plurality of air flow paths moving from the bottom exterior of the fins to the tip of the fins in contiguous rows in at least one of parallel to the incoming fluid flow or perpendicular to the incoming fluid flow;wherein the plurality of spaced-apart fins augment heat transfer of the surface cooler by increasing the turbulence levels of a fluid flowing through the airflow paths by promoting increased mixing with a resulting increase in the heat transfer coefficient of the surface cooler. 12. The method of claim 11, further comprising disposing the surface cooler along an outer wall of a turbomachine. 13. An engine comprising: a core engine; anda surface cooler comprising: a plate-shaped layer comprising one of a solid metal, a metal foam, a carbon foam or a combination thereof;at least one fluidic conduit disposed in the plate-shaped layer, wherein the at least one fluidic conduit is configured to carry fluid to be cooled; anda plurality of spaced-apart fins extending substantially perpendicular from an uppermost layer of the plate-shaped layer, each of the plurality of spaced-apart fins including at least two sloping sides disposed on perpendicular sides extending from a bottom exterior of the fin atop the plate-shaped layer to a tip spaced a distance from the plate-shaped layer, the plurality of fins comprising a thermally conductive material and defining a plurality of air flow paths,wherein the plurality of spaced-apart fins is configured in a plurality of aligned rows, each row of the plurality of aligned rows oriented so as to extend in a direction parallel to an incoming fluid flow,wherein at least one of the plurality of spaced-apart fins in each of the plurality of aligned rows varies in height with respect to another one of the plurality of spaced-apart fins in each of the plurality of aligned rows and relative to a thickness of a non-linear formed boundary layer on a surface of the plate-like layer, so as to extend above the boundary layer and remain in a main portion of the incoming fluid flow and as the height of the plurality of spaced-apart fins in each of the plurality of aligned rows varies, the cross sectional area of the plurality of spaced-apart fins varies,wherein the one or more sloping sides define an increase in a volume of the plurality of air flow paths moving from the bottom exterior of the fins to the tip of the fins in contiguous rows in at least one of parallel to the incoming fluid flow or perpendicular to the incoming fluid flow;wherein the plurality of spaced-apart fins augment heat transfer of the surface cooler by increasing the turbulence levels of a fluid flowing through the airflow paths by promoting increased mixing with a resulting increase in the heat transfer coefficient of the surface cooler. 14. The engine of claim 13, wherein the surface cooler is disposed adjacent to a nacelle wall of the engine. 15. The engine of claim 13, wherein the surface cooler is disposed adjacent to an inner wall of the engine.

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Plate-like air-cooled engine surface cooler with fluid channel and varying fin geometry

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Plate-like air-cooled engine surface cooler with fluid channel and varying fin geometry

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