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| Content Provider | The American Society of Mechanical Engineers (ASME) Digital Collection |
|---|---|
| Author | Mohand, A. Ait-Ali |
| Copyright Year | 2011 |
| Abstract | A generalization of the so-called ecological cycle introduced by Angulo-Brown for the endoreversible maximum power problem of Curzon-Ahlborn is presented here under the assumption of arithmetic mean temperature differences and Newtonian heat transfer in heat exchangers, but with internal irreversibility and a variable heat transfer entropy penalization factor of maximum power to be produced. This presentation extends that given recently for a case study of an ecological non endoreversible Curzon-Ahlborn cycle, and more recently by this author for general rules of heat conductance allocations in endoreversible and irreversible Carnot like power or refrigeration cycles, and cascades of such cycles. Analytical results are obtained here in terms of heat source and sink temperature ratio, internal irreversibility factor, and ecological entropy penalization factor X defined as the number of times the energy equivalent entropy produced through heat transfer is subtracted from power generated per unit overall heat conductance. The value of X to design for in a given case study will dependent admittedly, on the respective capital cost and expected fuel cost of the particular power cycle to be retained. Finally, a newly defined ratio of maximum power produced to heat rejected by the cycle is presented as an ecology friendly parameter. |
| Sponsorship | Heat Transfer Division |
| File Format | |
| ISBN | 9780791838921 |
| DOI | 10.1115/AJTEC2011-44503 |
| e-ISBN | 9780791838945 |
| Conference Proceedings | ASME/JSME 2011 8th Thermal Engineering Joint Conference |
| Language | English |
| Publisher Date | 2011-03-13 |
| Publisher Place | Honolulu, Hawaii, USA |
| Access Restriction | Subscribed |
| Subject Keyword | Design Cycles Heat Temperature Refrigeration cycles Thermodynamic power cycles Thermal conductivity Entropy Carnot cycle Heat exchangers Fuels Heat transfer |
| Content Type | Text |
| Resource Type | Article |
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