The application of the Buckingham Π theorem to modeling high-pressure regenerative heat exchangers in off-desing operation

• Autorzy: Laskowski R.M.
• Języki publikacji: EN

Abstrakty

EN

The study presents the possibility of applying the Buckingham Π theorem to modeling high-pressure regenerative heat exchangers in changed conditions. A list of independent parameters on which the water temperature at the outlet of the heat exchanger depends was selected; and by means of the Buckingham Π theorem a functional relation between two dimensionless quantities, where there is no overall heat transfer coefficient, was obtained. The exact form of the function was determined on the basis of actual measurement data and a linear relation between two dimensionless quantities has been obtained. The correctness of the proposed relation was examined for two high-pressure regenerative exchangers for a 200MW power plant.

Słowa kluczowe

EN

heat exchanger; off-design; heat recuperation; high pressure

PL

wymiennik ciepła; odzyskiwanie ciepła; wysokie ciśnienie

• Wydawca: Institute of Heat Engineering, Warsaw University of Technology
• Czasopismo: Journal of Power Technologies
• Rocznik: 2011
• Tom: Vol. 91, nr 4
• Strony: 198--205
• Opis fizyczny: Bibliogr. 14 poz., rys., wykr.

Twórcy

autor

Laskowski R.M.

• Institute of Heat Engineering, Warsaw University of Technology, 21/25 Nowowiejska Street, 00-665 Warsaw, Poland,

Bibliografia

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