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• Irregularities and Roughness

  G. T. Michaltsos, T. Avraam

  31-46

  
  Article ID: 3312
  466  (Abstract) 118  (Download)
  

  Abstract:

  The periodically repeated pavement irregularities and their effect on the dynamic behavior of a bridge are the subject of this paper, as well as a new point of view of how the surface roughness operates on vehicles. The authors observed that the models used so far accept that the wheels are always in contact with... More

  2021-08-13

• Theory of Heat Exchange in Pipes With Turbulators With d/D = 0.95 ÷ 0.90 And t/D = 0.25 ÷ 1.00, and Also in Rough Pipes, by Air With Great Reynold’s Numbers Re = 106

  Lobanov Igor Evgenjevich

  1-10

  
  Article ID: 1168
  403  (Abstract) 101  (Download)
  

  Abstract:

  Mathematical modeling of heat exchange in air in pipes with turbulators with d / D = 0.95 ÷ 0.90 and t / D = 0.25 ÷ 1.00, as well as in rough pipes, with large Reynolds numbers (Re = 10⁶). The solution of the heat exchange problem for semicircular cross-section flow turbulizers based on multi-block... More

  2020-04-05