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eReference Springer Verlag

VDI Heat Atlas eReference 11th edition

Determination of the number of main resistances nW in cross-flow

https://static-content.springer.com/image/chp%3A10.1007%2F978-3-642-19981-3_49/MediaObjects/978-3-642-19981-3_49_Fig6_HTML.jpg

a) staggered tube arrangement, with

  

a) staggered tube arrangement, with


 

c) in-line tube arrangement,  

Determination of the shortest connection LE

https://static-content.springer.com/image/chp%3A10.1007%2F978-3-642-19981-3_49/MediaObjects/978-3-642-19981-3_49_Fig3_HTML.jpg

a) staggered tube arrangement, with

  ;

b) staggered tube arrangement, with

c) in-line tube arrangement, 


Variable list

Variable 14 – Number of main resistances in a cross-flow zone

s. Determination of the number of main resistances nW in cross-flow

Variable 15 – Number of connections

s. Determination of the shortest connection LE

Variable 33 – Shortest connection path between tube and tube

s. Determination of the shortest connection LE

Variable 34 – Distance between boundary tubes and shell

s. Determination of the shortest connection LE

Variable 35 – Sum of the shortest connection paths in the center

s. Determination of the shortest connection LE

Variable 81 – Diameter of Sleeve Tube

 

Schematic diagram of a tube bundle heat exchanger with continuous helical baffles and a sleeve tube.