Two-phase Two-component Flow in an Ejector with Condensation PDF Download
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Author: Miguel Angel Rivas
Publisher:
ISBN:
Category :
Languages : en
Pages : 236
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Book Description
Author: Miguel Angel Rivas
Publisher:
ISBN:
Category :
Languages : en
Pages : 236
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Book Description
Author: Joseph Kaye
Publisher:
ISBN:
Category : Ejector pumps
Languages : en
Pages : 30
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Book Description
Author: Chong Jin Lee
Publisher:
ISBN:
Category :
Languages : en
Pages : 74
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Book Description
Author: Benjamin E. Chantry
Publisher:
ISBN:
Category : Fluid dynamics
Languages : en
Pages : 112
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Book Description
Author: Cho Ying Liang
Publisher:
ISBN:
Category :
Languages : en
Pages : 142
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Book Description
Author: Robert R. Kepple
Publisher:
ISBN:
Category : Gas
Languages : en
Pages : 440
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Book Description
A systematic search for the references appearing in this bibliography was made in the following for the period 1950 to 1962: Nuclear Science Abstracts; Chemical Abstracts; Science Abstracts, Section A; Engineering Index; Applied Mechanics Review. In addition, Chemical and Engineering Progress and Dissertation abstracts were consulted for theses, and the references in many bibliographies already prepared on this subject were checked. Many references appearing prior to this period have been included because of their importance to the subject.
Author: Charles Eduard Rufer
Publisher:
ISBN:
Category :
Languages : en
Pages : 168
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Author: Michael Colarossi
Publisher:
ISBN:
Category : Computational fluid dynamics
Languages : en
Pages : 85
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Book Description
Condensing ejectors utilize the beneficial thermodynamics of condensation to produce an exiting static pressure that can be in excess of either entering static pressure. The phase change process is driven by both turbulent mixing and interphase heat transfer. Semi-empirical models can be used in conjunction with computational fluid dynamics (CFD) to gain some understanding of how condensing ejectors should be designed and operated. The current work describes the construction of a multidimensional simulation capability built around an Eulerian pseudo-fluid approach. The transport equations for mass and momentum treat the two phases as a continuous mixture. The fluid is treated as being in a non-thermodynamic equilibrium state, and a modified form of the homogenous relaxation model (HRM) is employed. This model was originally intended for representing flash-boiling, but with suitable modification, the same ideas could be used for condensing flow. The computational fluid dynamics code is constructed using the open-source OpenFOAM library. Fluid properties are evaluated using the REFPROP database from NIST, which includes many common fluids and refrigerants. The working fluids used are water and carbon dioxide. For ejector flow, simulations using carbon dioxide are more stable than with water. Using carbon dioxide as the working fluid, the results of the validation simulations show a pressure rise that is comparable to experimental data. It is also observed that the flow is near thermodynamic equilibrium in the diffuser for these cases, suggesting that turbulence effects present the greatest challenge in modeling these ejectors.
Author: John Emanuel Sirmalis
Publisher:
ISBN:
Category :
Languages : en
Pages : 116
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Author: Michael A. Grolmes
Publisher:
ISBN:
Category : Heat
Languages : en
Pages : 138
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Book Description
The condensing injector has been proposed as a major component in previous studies of liquid-metal magnetohydrodynamic (LMHD) power cycles. In this application, the condensing injector would be required to generate large stagnation pressures. Efficient conversion of the vapor to the liquid state with minimum loss of kinetic and potential energy would be required. A review of the literature has indicated that a more realistic appraisal of the condensing injector was needed to determine the future potential of this device for large pressure augmentation in such applications.
