Abstract
Integrated energy production systems based on the renewable or fossil energy sources for poly-generation applications are inevitable in the near future for both environmental and sustainability concerns. Increasing the overall efficiency by combining system decreases the energy consumption and increases the system outputs such as electricity, heat, hot water, cooling, hydrogen, oxygen, and ext. Considering the global energy demands, the increase of efficiency of poly-generation systems will decrease emissions and therefore helps to protect the environment. Moreover, not only decreasing the emissions but also reducing the energy consumption is very important to achieve more sustainable systems, and it is again possible with integrated systems. In this chapter, thermodynamic assessment formulations and energy and exergy efficiency of a new poly-generation design which consists of biomass gasification, solid oxide fuel cell (SOFC), organic Rankine cycle (ORC), and double-effect absorption cooling and heating systems are given and analyzed in detail through energy, exergy, and sustainability approaches.
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- E:
-
Energy, kJ
- Ė :
-
Energy rate, kW
- ex:
-
Specific exergy, kJ/kg
- Ėx :
-
Exergy rate, kW
- G:
-
Gibbs free energy, kJ
- h:
-
Specific enthalpy, kJ/kg
- ṁ :
-
Mass flow rate, kg/s
- n:
-
Mole number
- Q:
-
Heat, kJ
- \( \dot{Q} \) :
-
Heat rate, kW
- s:
-
Entropy, kJ/kg
- T:
-
Temperature, K
- x:
-
Mole fraction
- W:
-
Work, kJ
- Ẇ :
-
Power, kW
- Δ:
-
Change in variable
- ξ:
-
Chemical exergy coefficient
- η:
-
Energy efficiency
- ψ:
-
Exergy efficiency
- A:
-
Ash
- a:
-
Ambient
- c:
-
Coal
- ch:
-
Chemical
- D:
-
Destruction
- f:
-
Fuel
- H:
-
Hydrogen
- in:
-
Inlet
- ke:
-
Kinetic energy
- O:
-
Oxygen
- out:
-
Outlet
- pe:
-
Potential
- ph:
-
Physical
- S:
-
Sulfur
- W:
-
Water
- HHV:
-
Higher heating value
- LHV:
-
Lower heating value
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Yuksel, Y.E., Ozturk, M. (2015). Thermodynamic Modeling of an Integrated Energy System for Poly-generation Design. In: Dincer, I., Colpan, C., Kizilkan, O., Ezan, M. (eds) Progress in Clean Energy, Volume 1. Springer, Cham. https://doi.org/10.1007/978-3-319-16709-1_2
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DOI: https://doi.org/10.1007/978-3-319-16709-1_2
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