scholarly journals Effect of Pressure Drop Owing to Friction between Pipe Inner Wall and Water on Non-equilibrium Flow Fields in an Air-lifting Pipe. Fundamental study on lifting system for mining marine mineral resources.

1997 ◽  
Vol 113 (2) ◽  
pp. 133-139 ◽  
Author(s):  
Hitoshi FUJIMOTO ◽  
Makoto ISOBE ◽  
Takashi FUKUI ◽  
Natsuo HATTA
Keyword(s):  
Pressure Drop ◽  
Mineral Resources ◽  
Flow Fields ◽  
Equilibrium Flow ◽  
Fundamental Study ◽  
Effect Of Pressure ◽  
Lifting System ◽  
Non Equilibrium

scholarly journals Some Non-Simple–Equilibrium Aspects in Axisymmetric Turbomachine Flow Theory

1969 ◽  
Author(s):  
H. J. Schroder
Keyword(s):  
Boundary Conditions ◽  
Axisymmetric Flow ◽  
Flow Theory ◽  
Flow Fields ◽  
The Other ◽  
Equilibrium Flow ◽  
Free Vortex ◽  
Difference Methods ◽  
Definite Difference ◽  
Insight Into

In turbomachines of non-free-vortex design the axisymmetric flow is mostly in a state of “disturbed equilibrium.” Methods of calculating flow fields of this kind were developed nearly 20 years ago. The examples chosen for their demonstration were rather intricate. Here, on the other hand, two very simple examples are produced which provide some insight into the — anything but self-evident — behavior of disturbed equilibrium flow. The examples serve to give some indication as to the use of definite difference methods, including the choice of boundary conditions, and a first attempt at taking incidence at the leading edges of the blades into account.

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