Influência da dissipação viscosa na transferência de calor em tubos concêntricos no escoamento turbulento

The temperature profile for a turbulent flow, of a newtonian fluid flowing between two concentric tubes has been determined. The velocity profile was based on the Deissler and Quarmby equations for turbulent flows. The momentum difusivity equation for the turbulent flow has been evaluated according o Deissler and Quarmby and the heat difusivity equations and represented according to Aser and Chao. These equations with the corresponding boundary conditions has beem solved employing the numerical method of Crank-Nicholson. The influence of the dissipation on the temperature profile is pronounced in the turbulent flow in the neighborhood of the inner and outer wall of the tube and increases in the axial direction.

Grantor dc:publisher

Universidade Federal do Rio de Janeiro

Year dc:date.issued

1977

Author dc:creator

• Silva, Luiz Armando Gonzalez da

Advisor dc:contributor.advisor

• Schmal, Martin

• Escoamento bifásico
• Dinâmica dos fluídos
• Tubos

Statement dc:rights

• Acesso Aberto

Language dc:language

por

Handle dc:identifier.uri

http://hdl.handle.net/11422/3588

OAI identifier oai:identifier

oai:pantheon.ufrj.br:11422/3588