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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Shoureshi, Rahmatallah McLaughlin, Kevin |
| Copyright Year | 1984 |
| Description | Author affiliation: School of Mechanical Engineering, Purdue University, West Lafayette, Indiana 47907 (McLaughlin, Kevin) || Assistant Professor, School of Mechanical Engineering, Purdue University, West Lafayette, Indiana 47907 (Shoureshi, Rahmatallah) |
| Abstract | Two-phase flow heat exchangers have many industrial and residential applications, such as in nuclear power plants, HVAC systems, steam generators, and heat pumps. Dynamic response of such heat exchangers are of interest in order to increase reliability and decrease energy consumption. This paper utilizes true bond graphs, with temperature and rate of change of entropy as power variables, to model the dynamics of two-phase flow heat exchangers. A bond graph for variable density flow is derived such that it satisfies mass, momentum, and energy equations. Due to thermofluid bond graphs requirements, a specific entropy - specific volume plane is developed and an algorithm to calculate 2-phase flow properties from this plane is discussed. For stability purposes, the resulting nonlinear system equations are nondimensionalized. Simulation results of the model for a condenser of a residential air-conditioning unit is compared with experimental data. Comparison shows good agreement in both magnitude and shape of the response between the bond graph model and the experiments. |
| Starting Page | 93 |
| Ending Page | 98 |
| File Size | 306111 |
| Page Count | 6 |
| File Format | |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 1984-06-06 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | American Automatic Control Council(AACC) |
| Subject Keyword | Temperature Entropy Bonding Power system modeling Heat pumps Power generation Nonlinear equations Nuclear power generation Power system reliability Energy consumption |
| Content Type | Text |
| Resource Type | Article |
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