Heat transfer system

Abstract

The present disclosure relates to a heat transfer system 1 for transferring heat between a first fluid and a second fluid. The system 1 has an arrangement 2 composed of pipe elements 3, 3a, 3b, 3c for passing through the first fluid, one or more pipe bottoms 5 having a through opening 6, and one or more sealing elements 7 having a through opening 8. The pipe elements 3, 3a, 3b, 3c are formed of a flat pipe having a first region 10 having a first height X and a width W and one or more second regions 11 having a support surface 13 arranged on one end portion of the pipe elements 3, 3a, 3b, 3c and having a second height Y, respectively. The sealing element 7 is arranged between the edge of the through-hole 6 of the pipe bottom 5 and the support surface 13, respectively, and has a specific wall thickness G. The pipe elements 3, 3a, 3b, 3c having a wide side are arranged in a state aligned parallel to each other and at an interval F with respect to each other in the first region 10. A web 5-1 having a height H is provided between the through openings 6 arranged adjacent to each other of the pipe bottom 5. The deformation degree of the end portion of the pipe elements 3, 3a, 3b, 3c in the height direction c, which is placed in a range from the maximum value CMmax to the minimum value CMmin, is previously set with reference to the dimension relationship.

1 . A heat transfer system  1 , as the system for transferring heat between a first fluid and a second fluid, which has an arrangement composed of pipe elements for passing through the first fluid, one or more pipe bottoms having a through opening, and one or more sealing elements having a through opening,
 wherein the pipe elements are formed of a flat pipe having a first region having a first height X and a depth W and one or more second regions having a support surface arranged on one end portion of the pipe elements and having a second height Y, respectively,   wherein the sealing element is arranged between the edge of the through opening of the pipe bottom, and having a wall thickness G, respectively,   wherein the pipe elements having a wide side are aligned in a state aligned parallel to each other and at an interval F with respect to each other in the first region, respectively,   wherein a web having a height H is provided between the through openings arranged adjacent to each other of the pipe bottom, respectively,   wherein when viewing in a height direction c, an extension part inside the first region of the pipe elements appeared from a value obtained by adding a first height X of the pipe elements to the interval F corresponds to an extension part inside the second region of the pipe elements appeared from a value obtained by adding a second height Y of the pipe elements to the height H of the web of the pipe bottom and two times the wall thickness G of the sealing element, and   wherein CM=F−H=Y−X+2·G, the CM in the equation refers to the deformation degree of the end portion of the pipe elements in the height direction c, is placed within a range between the maximum value CM max  and the minimum value CM min , and the CM min  appears as CM min =2·G when the heights X, Y of the pipe elements are the same.   
     
     
         2 . The heat transfer system of  claim 1 , wherein the pipe elements  3 ,  3   a ,  3   b ,  3   c  are made of metal. 
     
     
         3 . The heat transfer system of  claim 1 , wherein the lateral cross sections of the pipe elements are expanded within the second region on the plane aligned vertically with respect to a vertical direction a of the pipe elements. 
     
     
         4 . The heat transfer system of  claim 1 ,
 wherein the flow lateral cross sections of the pipe elements are limited by two side surfaces disposed to face each other, respectively, and the side surface forms the narrow side or the vertical side of the flow lateral cross section in pair, respectively.   
     
     
         5 . The heat transfer system of  claim 4 , wherein the side surfaces of the pipe elements arranged adjacent to each other are aligned vertically with respect to each other at the contact edges proceeding in the vertical direction a, and the contact edges have a transition part round-processed having an edge radius R, respectively. 
     
     
         6 . The heat transfer system of  claim 5 , wherein the first height X of the first region of the pipe elements is greater than a value of two times the edge radius R of the pipe elements, and the maximum value CM max  is appeared from the following equation, CM max =[(2πR+2(W−2R)+2(X−2R))A/π]−X+2G, and the A in the equation corresponds to the expansion capacity of the pipe. 
     
     
         7 . The heat transfer system of  claim 4 , wherein the side surfaces arranged at the vertical side of the flow lateral cross section of the pipe elements, respectively, are connected to each other through the side surface of the narrow side bent outwards in the semicircle hollow cylinder shape and having the outer radius R. 
     
     
         8 . The heat transfer system of  claim 7 , wherein the first height X of the first region of the pipe elements corresponds to two times the radius R of the side surface of the narrow side of the pipe elements bent outwards in the semicircle hollow cylinder shape, and the maximum value CM max  is appeared from the following equation, CM max =[(Xπ+2(W−X))A/π]−X+2G, and the A in the equation corresponds to the expansion capacity of the pipe. 
     
     
         9 . The heat transfer system of  claim 2 , wherein the pipe elements have the wall thickness of 0.22 mm, the first height X of about 2.5 mm, and the width W of about 10.8 mm in the first region, and have the second height Y of about 4.69 mm and the width of about 10.95 mm in the second region. 
     
     
         10 . The heat transfer system of  claim 2 , wherein the pipe elements on the end portion of the pipe are formed in a state expanded starting from the front in the region of an apex of the vertical side, respectively, and the wall of the pipe elements are deformed to have a molding part outwards in the height direction c, respectively. 
     
     
         11 . The heat transfer system of  claim 10 , wherein the pipe elements have an extension part Z of about 7.6 mm in the maximally expanded region of the molding part in the height direction c. 
     
     
         12 . The heat transfer system of  claim 1 , wherein the pipe bottom has a ring element for at least locally reducing the opened lateral cross section of the through opening for receiving the sealing element and the pipe elements in the region of the web. 
     
     
         13 . The heat transfer system of  claim 1 , wherein the bottom area is formed as the sidewall element of a collector of the system. 
     
     
         14 . The heat transfer system of  claim 13 , wherein two pipe bottoms having the through opening and two sealing elements having the through opening are formed, the pipe bottom is connected with the pipe elements in the fluid sealing method, respectively, the through openings coincide with the outer shape of the pipe elements in the shape, respectively, and the respective pipe elements are arranged to have a first end portion passing through the through opening formed on a first pipe bottom and a second end portion passing through the through opening formed on a second pipe bottom, respectively. 
     
     
         15 . The heat transfer system of  claim 2 , wherein the pipe elements are made of an aluminum alloy. 
     
     
         16 . The heat transfer system of  claim 1 , wherein the pipe elements of one column of the system aligned side by side and parallel to each other, and to have a wide side with respect to each other are arranged so that the flow path for the second fluid is directly formed one by one between the pipe elements arranged adjacent to each other, respectively. 
     
     
         17 . The heat transfer system of  claim 16 , wherein a multi-disc or a rib for changing the flow lateral cross section and/or expanding a heat transfer area within the flow path formed inside the first region by the pipe elements arranged adjacent to each other, the multi-disc has an extension part in the height direction c, and the extension part corresponds to the interval F of the pipe elements arranged adjacent to each other. 
     
     
         18 . The heat transfer system of  claim 17 , wherein the multi-disc or the rib is made of an aluminum alloy. 
     
     
         19 . A method comprising operating using the heat transfer system of  claim 1  as a coolant-air-heat exchanger within a coolant circulation system. 
     
     
         20 . A method according to  claim 19 , wherein the coolant circulation system is an engine coolant circulation system of a vehicle.