Arrangement and method for increasing heat transfer

Abstract

The invention relates to an arrangement comprising at least one heat source ( 140 ) being adapted to transfer heat to at least one first element ( 110 ), a power source ( 100 ) being provided for applying a first voltage (V 1 ) to said first element ( 110 ), at least one second element ( 150 ) having a second voltage (V 2 ), wherein an electric field (E), generated by a potential difference (V 1 −V 2 ), between the first element ( 110 ) and the second element ( 150 ), causes an ionized medium, heated by the first element ( 110 ), to move towards the second element ( 150 ), thereby achieving an increased heat transfer from the first element ( 110 ).

1 . An arrangement comprising at least one heat source being adapted to transfer heat to at least one first element, a power source being provided for applying a first voltage (V 1 ) to said first element, at least one second element having a second voltage (V 2 ), wherein an electric field (E), generated by a potential difference (V 1 −V 2 ), between the first element and the second element, causes an ionized medium, heated by the first element, to move towards the second element, thereby achieving an increased heat transfer from the first element.  
   
   
       2 . An arrangement according to  claim 1  wherein the arrangement further comprises a dielectric element.  
   
   
       3 . An arrangement according to  claim 1  wherein said first element is electrically conductive.  
   
   
       4 . An arrangement according to  claim 2  wherein the first voltage (V 1 ) is applied to the first element, and wherein the first element is separated from the heat source by the dielectric element.  
   
   
       5 . An arrangement according to  claim 1  wherein the heat source is provided with a conductive protection element provided between the heat source and the dielectric element.  
   
   
       6 . An arrangement according to  claim 1  wherein the second element is arranged so that the heat transfer is performed in a controlled way, in at least one particular direction.  
   
   
       7 . An arrangement according to  claim 1  wherein the second element is grounded.  
   
   
       8 . An arrangement according to  claim 1  wherein the applied voltage V 1  is in the range of 1-100 kV.  
   
   
       9 . An arrangement according to  claim 8  wherein the applied voltage V 1  is in the range of 30-40 kV.  
   
   
       10 . An arrangement according to according to  claim 1  further comprising a control unit arranged for communication with the power supply and/or the second element, wherein the control unit is arranged to control potential difference (V 1 −V 2 ) between the first element and the second element.  
   
   
       11 . An arrangement according to  claim 1  wherein the movement of the ionized medium causes a thermal boundary layer provided on a surface of the first element to be repelled off, and thereby further increase the heat transfer from the first element.  
   
   
       12 . An arrangement according to  claim 10  wherein the control unit is arranged to control the potential difference (V 1 −V 2 ) between the first element and the second element so as to increase heat transfer from said first element.  
   
   
       13 . A method of using an arrangement comprising at least one heat source being adapted to transfer heat to at least one first element, a power source being provided for applying a first voltage (V 1 ) to said first element, at least one second element having a second voltage (V 2 ), wherein an electric field (E), generated by a potential difference (V 1 −V 2 ), between the first element and the second element, causes an ionized medium, heated by the first element, to move towards the second element, thereby achieving an increased heat transfer from the first element.  
   
   
       14 . A method for improving heat transfer from at least one heat source in an arrangement comprising at least one first element and at least one second element, wherein said heat source is adapted to transfer heat to said first element, said method comprising the step of: controlling heat transfer from the first element by applying an electric field between said first and second element.  
   
   
       15 . A method according to  claim 14  wherein the step of: 
 controlling said heat transfer is performed in a predetermined way so that a movement of ionized medium, heated by the first element, causes a thermal boundary layer provided on a surface of the first element to be repelled off, and thereby further increase the heat transfer from the first element.    
   
   
       16 . A method according to  claim 14  further comprising the steps of: 
 receiving a first signal comprising information about the heat transfer from the heat source, and controlling said heat transfer in dependence of said first signal.    
   
   
       17 . A method according to  claim 14  comprising the step of: 
 controlling said heat transfer by controlling said first or second provided voltage (V 1 , V 2 ).    
   
   
       18 . A computer program comprising a program code for performing a method of improving heat transfer from at least one heat source in an arrangement comprising at least one first element and at least one second element, wherein said heat source is adapted to transfer heat to said first element, the computer program includes sets of instructions comprising: 
 first computer instructions for controlling heat transfer from the first element by applying an electric field between said first and second element.    
   
   
       19 . A computer program according to  claim 18  comprising second computer instructions for controlling said heat transfer is performed in a predetermined way so that a movement of ionized medium, heated by the first element, causes a thermal boundary layer provided on a surface of the first element to be repelled off, and thereby further increase the heat transfer from the first element.  
   
   
       20 . A computer program according to  claim 19  comprising third computer instructions for: 
 receiving a first signal comprising information about the heat transfer from the heat source, and controlling said heat transfer in dependence of said first signal.    
   
   
       21 . A computer program according to  claim 20  comprising forth computer instructions for: 
 controlling said heat transfer by controlling said first or second provided voltage (V 1 , V 2 ).    
   
   
       22 . A computer program product in a computer readable medium comprising program code for performing a method of improving heat transfer from at least one heat source in an arrangement comprising at least one first element and at least one second element, wherein said heat source is adapted to transfer heat to said first element, the computer program includes sets of instructions comprising: 
 first computer instructions for controlling heat transfer from the first element by applying an electric field between said first and second element.    
   
   
       23 . A computer program product according to  claim 22  comprising second computer instructions for controlling said heat transfer is performed in a predetermined way so that a movement of ionized medium, heated by the first element, causes a thermal boundary layer provided on a surface of the first element to be repelled off, and thereby further increase the heat transfer from the first element.  
   
   
       24 . A computer program product according to  claim 23  comprising third computer instructions for: 
 receiving a first signal comprising information about the heat transfer from the heat source, and controlling said heat transfer in dependence of said first signal.    
   
   
       25 . A computer program product according to  claim 24  comprising forth computer instructions for: 
 controlling said heat transfer by controlling said first or second provided voltage (V 1 , V 2 ).