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Пример расчета



Пример расчета

                                                                                                      

                                                                                                      

                                                                                                      

                                                                                                      

                                                                                                      

                                                                                                      

                                                                                                      

                                                                                                      

                                                                                                      

                                                                                                      

                                                                                                      

                                                                                                      

                                                                                                      

                                                                                                      

                                                                                                      

                                                                                                      

                                                                                                      

                                                                                                      

                                                                                                 

                                                                                                      

                                                                                                      

Результаты опыта

Характеристики сопла

Fкр/Fa p=p/p0
мм мм       МПа  
             

Результаты расчета тяги сопла

Расчетный режим

Па Па м2   Н  
           

Режимы недорасширения и перерасширения

Па Па м2   Н  
           
           
           

Режимы перерасширения с отрывом

Па Па Па Па м2 м2 м2    
                 
                 

 

p1F1*(1+kM12) 0. 5(p1+p2)* (F2-F1) 0. 5(pa+p2)* (Fa-F2)
Н Н Н Н  
         
         

 

Графическая зависимость

                                           
                                           
                                           
                                           
                                           
                                           
                                           
                                           
                                           
                                           
                                           
                                           
                                           
                                           
                                           
                                           
                                           
                                           
                                           
                                           

Выводы

                                                                                                      

                                                                                                      

                                                                                                      

                                                                                                      

                                                                                                      

                                                                                                      

                                                                                                      

                                                                                                      

 




  

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