[TRNSYS-users] Help : Type 71 problem

[zouhour sayadi]

hi trnsys users ,
   
  I have a problem in fixing the parameter 8 in type 71 'the negative of second order efficiency coefficient ' .I tried to modify this parameter by changing the default value but it returns again in the initial value made by trnsys ' 0.00833 w/m^2.K^2' .I must change this value because I want to create another industrial type . 
   
  What efficiency mode do I take ?
   
   In type 71 : Is the flow rate at test conditions per m^2 of the collector area or of another surface ? I mean if I change the value of the collector area , automatically I must change the flow rate at test conditions ?
   
  Please help me 
   
  thanks ; best reagrds 
   
  zouhour  
   
   
   
   
   
   

 		
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