Simultaneous integration of heat pumps and different thermal energy storages into a tightened multi-period MILP HENS superstructure formulation for industrial applications
| Autor: | René Hofmann, Karl Schenzel, Leopold Prendl |
|---|---|
| Rok vydání: | 2021 |
| Předmět: |
Energy recovery
business.industry Computer science 020209 energy General Chemical Engineering 02 engineering and technology Coefficient of performance Computer Science Applications law.invention Cost reduction 020401 chemical engineering law Heat recovery ventilation Heat exchanger 0202 electrical engineering electronic engineering information engineering 0204 chemical engineering business Process engineering Integer programming Thermal energy Heat pump |
| Zdroj: | Computers & Chemical Engineering. 147:107237 |
| ISSN: | 0098-1354 |
| DOI: | 10.1016/j.compchemeng.2021.107237 |
| Popis: | Design optimization of industrial installations with help of mathematical programs offers high potential for energy savings and cost reduction, which steadily gains importance. Heat exchange network synthesis (HENS) is one of the commonly used and promising methods. This paper deals with simultaneous integration of heat pumps and two different storage types into mixed integer linear programming (MILP) HENS by extending a multi-period superstructure formulation proposed by Beck and Hofmann (2018c). Further measures for tightening the solution space for the coefficient of performance (COP) are introduced. This improves the accuracy of the heat pump (HP) approximation, reduces computational effort and prevents solutions with uneconomical low COP. The obtained approach allows to design cost efficient heat recovery systems with storages (ST) and HP for the improvement of the energy recovery capabilities. A constructed test case was used to analyze the performance of the method and to show its possible potential. |
| Databáze: | OpenAIRE |
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