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Красноярск. Лабораторная работа № 1. Определение числа Маха сверхзвукового потока



 


Федеральное государственное бюджетное образовательное

 учреждение высшего образования

Сибирский государственный университет науки и технологий

имени акад. М. Ф. Решетнева

 

Институт космической техники

 

Кафедра летательных аппаратов

 

ЛАБОРАТОРНЫЙ ПРАКТИКУМ

ПО ГАЗОДИНАМИКЕ

 

 

Рабочая тетрадь

 

 

Студент                                        

                                          

Группа                                          

Красноярск


 

Составители

Козлов Виктор Савельевич

Ерашов Геннадий Федорович

 

Подп. в печать                   Формат 60 х 84/16. Бумага газетная.  

Печать офсетная.

Усл. п. л.                   Уч. -изд. л.                Тираж         экз.

 

 

Редакционно-издательский отдел СибГАУ.

Отпечатано в отделе оперативной типографии СибГАУ.

660014, г. Красноярск, пр. им. газеты «Красноярский рабочий», 31.

 

Ó Сибирский государственный аэрокосмический университет, 2004

Лабораторная работа № 1

Определение числа Маха сверхзвукового потока

Цель работы

Определить число Маха потока в рабочей части аэродинамической трубы, сравнить между собой полученные различными методами результаты определения числа Маха.

Описание установки

                                                                                                      

                                                                                                      

                                                                                                      

(дать описание основных обозначенных элементов установки).
                                                                                                      

                                                                                                      

                                                                                                      

                                                                                                      

                                                                                                      

                                                                                                      

                                                                                                      

                                                                                                      

                                                                                                      

                                                                                                      

                                                                                                      

                                                                                                      

                                                                                                      

                                                                                                      

                                                                                                      

                                                                                                 

                                                                                                      

                                                                                                      

                                                                                                      

                                                                                                      

                                                                                                      

                                                                                                      

                                                                                                      

                                                                                                      

Рис. 1. Схема установки к работе № 2


                                                                                                      

                                                                                                      

                                                                                                      

Порядок проведения работы

                                                                                                 

(кратко)
                                                                                                      

                                                                                                      

                                                                                                      

                                                                                                      

                                                                                                      

                                                                                                      

                                                                                                      

                                                                                                      

                                                                                                      

Основные расчетные зависимости для расчета числа Маха

1. По углу возмущения m (? )                  

2. По углу наклона скачка уплотнения b и углу клина Q (? )

отсюда  (? )M=

3.

Пример расчета

                                                                                                      

                                                                                                      

                                                                                                      

                                                                                                      

                                                                                                      

                                                                                                      

                                                                                                      

                                                                                                      

                                                                                                      

                                                                                                      

                                                                                                      

                                                                                                      

                                                                                                      

                                                                                                      

Результаты опыта

Характеристики сопла

мм мм       МПа  
             

Результаты опыта

п/п

Метод определения числа Маха

p01 p02 s m sinm b Q M
МПа МПа   гр.   гр. гр.  
1 По отношению полных давлений p02/p01                
2 По углу возмущения m                
3 По углу скачка уплотнения b и углу клина Q                

Выводы

                                                                                                      

                                                                                                      

                                                                                                      

                                                                                                      

                                                                                                      



  

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