한국전산유체공학회:학술대회논문집
- 한국전산유체공학회 2011년 춘계학술대회논문집
- /
- Pages.141-147
- /
- 2011
2상 극저온 열전달 과정 계산에서의 CFD 응용
Application of CFD to tile Calculation of 2 Phase Cryogenic Heat Transfer Processes
- 발행 : 2011.05.26
초록
A two-phase numerical model for plate-fin heat exchangers with plain fins and wave fins is studied incorporating the thermodynamic properties and the characteristics of fluid flow. The numerical simulations for the two fins in cryogenic conditions are earned out by employing a homogenous two-phase flow model with the CFD code ANSYS CFX. The heat transfer coefficients and the friction factor for nitrogen saturated vapor condensation process inside two types of plate fin heat exchanger are evaluated including the effects of saturation temperature (pressure), mass flow rate and inlet vapor quantity. The convective heat transfer coefficients and friction factors will be used for design of plate-fin type heat exchangers operating under cryogenic conditions.
키워드