The simulation of transients in thermal plant. Part I: Mathematical model |
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| Affiliation: | 1. Momentum Research, Durham, North Carolina;2. University of Alabama, Birmingham, Alabama;3. University of Hull, Kingston Upon Hull, United Kingdom;4. National Heart and Lung Institute, Royal Brompton and Harefield Hospitals NHS Trust, Imperial College, London, United Kingdom;5. Service de Cardiologie, Hôpital Bichat, Paris, France;6. Monash Centre of Cardiovascular Research and Education in Therapeutics, Department of Epidemiology and Preventive Medicine, Alfred Hospital, Monash University, Melbourne, Victoria, Australia;7. Duke Clinical Research Institute, Duke University Medical Center, Durham, North Carolina;8. University of Brescia, Piazza Spedali Civili, Brescia, Italy;9. Division of Cardiology, Mount Sinai Hospital, Toronto, Ontario, Canada;10. Methodist DeBakey Heart and Vascular Center, Methodist Hospital, Houston, Texas;11. University Medical Centre, Groningen, The Netherlands;12. Kobrin Associates, Basel, Switzerland;13. Abanovus, Sanremo, Italy;14. University of Glasgow, Glasgow, United Kingdom;15. University of California San Francisco and the San Francisco Veterans Affairs Medical Center, San Francisco, California, USA |
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| Abstract: | This paper deals with the simulation of the transient behaviour of thermal plant with control systems. It is always more difficult for a designer to predict the effects on the plant of the control processes because of the increasing complexity of plants and control systems. The easiest way to obtain information about the dynamic behaviour of a thermal plant at the design-stage involves assessing the suitability of specific computer codes. To this end, the present work demonstrates that nowadays it is possible, by using the opportunities offered by some general purpose calculation systems, to obtain such significant information. It is described how a “thermal-library” of customized blocks (one for each component of a thermal plant such as valves, boilers, and pumps) can be built and used, in an intuitive way, to study any kind of plant. As an example, the dynamic behaviour of a residential heating system will be shown in a companion paper, forming part II of the present article. |
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