Mechanical Engineering - Hydraulics and Fluid Mechanics - Discussion
Discussion Forum : Hydraulics and Fluid Mechanics - Section 1 (Q.No. 6)
                   
                                       
                                6.
The diameter of the nozzle (d) for maximum transmission of power is given by (where D = Diameter of pipe, f = Darcy 's coefficient of friction for pipe, and l = Length of pipe )
 
                                    Discussion:
36 comments Page 4 of 4.
                
                        Balachandran shrinivas said: 
                         
                        10 years ago
                
                Please show the detailed derivation.
                
                        Vishal said: 
                         
                        10 years ago
                
                How it is calculated?
                
                        Ankit said: 
                         
                        9 years ago
                
                @Vishal, I also have same doubt.
                
                        Rajasekhar said: 
                         
                        9 years ago
                
                Nozzle head = total head- loss of friction head.
For maximum efficiency, Total head H = 3 hf,
V2/2g = 2(4flv2/2gd),
V = Q/area and solving we get answer.
                For maximum efficiency, Total head H = 3 hf,
V2/2g = 2(4flv2/2gd),
V = Q/area and solving we get answer.
                        Bharat said: 
                         
                        9 years ago
                
                It will be 2fl in place of 8fl.
                
                        Ritu singh said: 
                         
                        9 years ago
                
                Explain it properly (stepwise).
                Post your comments here:
 
            
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