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A STRONG ENTHALPY FORMULATION FOR THE STEFAN PROBLEM.

Author(s) : DATE A. W.

Type of article: Article

Summary

THE PAPER DEMONSTRATES HOW THE CONDITION OF CONSTANCY WITH RESPECT TO TIME OF THE PHASE-CHANGE INTERFACE TEMPERATURE CAN BE INCORPORATED TO ARRIVE AT A < STRONG > ENTHALPY FORMUL THE FINITE-DIFFERENCE SOLUTIONS OBTAINED WITH THIS FORMULATION SHOW THAT THE PROBLEM OF < WAVINESS > OF THE TEMPERATURE HISTORIES ENCOUNTERED WITH THE < WEAK > FORMULATION IS NOW REMOVED AND ACCURATE SOLUTIONS ARE OBTAINED EVEN WITH A COARSE GRID IRRESPECTIVE OF THE TIME STEP. THE FORMULATION DERIVED REQUIRES NO < BOOK-KEEPING > OF THE PHASE-CHANGE NODE, AND ALLOWS LINE-BY-LINE INTEGRATION OF THE FINITE-DIFFERENCE EQUATIONS.

Details

  • Original title: A STRONG ENTHALPY FORMULATION FOR THE STEFAN PROBLEM.
  • Record ID : 1992-0485
  • Languages: English
  • Source: International Journal of Heat and Mass Transfer - vol. 34 - n. 9
  • Publication date: 1991/09

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