An Etymological Dictionary of Astronomy and Astrophysics
English-French-Persian

فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک

M. Heydari-Malayeri    -    Paris Observatory

   Homepage   
   
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Number of Results: 3 Search : Mach number
Alfvén Mach number
  عدد ِ ماخ ِ آلفونی   
adad-e Mach-e Alfvéni

Fr.: nombre de Mach alfvénique   

The ratio of the flow velocity to the → Alfvén speed in a medium.

→ Alfvén wave; → number.

Alfven Mach number
  عدد ِ ماخ ِ آلفونی   
adad-e Mach-e Alfvéni

Fr.: nombre de Mach alfvénique   

The ratio of the flow velocity to the → Alfvén speed in a medium.

→ Alfvén wave; → number.

Mach number
  عدد ِ ماخ   
adad-e Mach (#)

Fr.: nombre de Mach   

The ratio of the speed of a moving object to the → sound speed in the medium through which the object is traveling.

Named after the Austrian physicist Ernst Mach (1838-1916); → number.