NEW RESULTS OF INVESTIGATION OF HEAT EXCHANGE DURING BOILING IN TUBES,

Abstract

Heat exchange during surface boiling in a steam generator tube was investigated. Calculation of heat exchange intensity along the length of the tube followed 2 formulas. Up to the section at which the steam temperature became equal to the temperature at which intensive boiling set in, the heat transfer coefficient was determined from the formula of convective heat exchange in a single-phase medium. Beyond that section a second formula was used. The heat transfer coefficient over the entire length was then determined from the first formula. Change in flow temperature along tube length was also taken into account. In addition, the stream temperature at which surface heating began was calculated in order to establish a limit to the applicability of the preceding formulas.

Document Details

Document Type
Technical Report
Publication Date
Jan 01, 1944
Accession Number
AD0601665

Entities

People

  • N. G. Styushin

Organizations

  • Library of Congress

Tags

DTIC Thesaurus Topics

  • Coefficients
  • Generators
  • Heat Transfer
  • Heat Transfer Coefficients
  • Mass Transfer
  • Steam Generators

Readers

  • Calculus or Mathematical Analysis
  • Combustion and Flow Dynamics.