Abstract
This report reviews the performance of metal–organic frameworks (MOFs) in Adsorption Heat Transformation (AHT) systems. MOFs are porous materials characterized with high surface areas and tunable properties that make them suitable for a range of applications. This study concentrates on the use of MIL-101(Cr) in a 10-kW cooling capacity system and compares its performance with activated carbon. Results show that less mass of MIL-101(Cr) is required to produce 10 kW of power compared to activated carbon, while also having a higher coefficient of performance. The COP of MIL-101(Cr) is calculated to be about 1.5 times higher than that of activated carbon, highlighting the potential of MOFs in refrigeration applications. However, MOFs are still in the preliminary stages of development and require more research to overcome challenges and prove their commercial viability.
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Abbreviations
- COP:
-
Coefficient of performance
- Cp:
-
Specific heat at constant pressure (kJ/kg-K)
- h:
-
Specific enthalpy (kJ/Kg)
- \({\dot{m} }\):
-
Mass flow rate (kg/s)
- P:
-
Pressure (kPa)
- \(\dot{Q}\):
-
Heat transfer rate (kW)
- qsh:
-
Heat of sorption (kJ/kg)
- R:
-
Universal gas constant (J/kg-K)
- tcycle:
-
Cycle time (hr)
- T:
-
Temperature (K)
- TA:
-
Adsorption Temperature (K)
- TC:
-
Desorption Temperature (K)
- X:
-
Mass fraction of ammonia (%)
- X:
-
Ammonia concentration (kg NH3/kg carbon)
- ads:
-
Adsorber
- con or H:
-
Condenser
- des:
-
Desorber
- eva or L:
-
Evaporator
- in:
-
Inlet
- max:
-
Maximum
- MOF:
-
Metal Organic Framework
- min:
-
Minimum
- out:
-
Outlet
- ref:
-
Refrigerant
- sat:
-
Saturation
- sol:
-
Solution
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Al-rabadi, J., Aman, J. (2023). Metal Organic Frameworks (MOFs) in Adsorption Heat Transformations. In: Ting, D.SK., Vasel-Be-Hagh, A. (eds) Engineering to Adapt. TELAC 2023. Springer Proceedings in Energy. Springer, Cham. https://doi.org/10.1007/978-3-031-47237-4_8
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