Ventsislav Zimparov

Extended performance evaluation criteria for enhanced heat transfer surfaces: heat transfer through ducts with constant wall temperature

V. Zimparov, Ventsislav Zimparov, 2000 .

Enhancement of heat transfer by a combination of three-start spirally corrugated tubes with a twisted tape

V. Zimparov, Ventsislav Zimparov, 2001 .

Prediction of friction factors and heat transfer coefficients for turbulent flow in corrugated tubes combined with twisted tape inserts. Part 1: friction factors

V. Zimparov, Ventsislav Zimparov, 2004 .

Extended performance evaluation criteria for enhanced heat transfer surfaces: heat transfer through ducts with constant heat flux

V. Zimparov, Ventsislav Zimparov, 2001 .

Performance evaluation criteria for enhanced heat transfer surfaces

V. Zimparov, Ventsislav Zimparov, N. L. Vulchanov, 1994 .