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Metal Hydride Reactors For Fuel Cell Cooling In Electric Aircraft.pdf

2023_05_03_EATS_FCs-TMS-Improvement-by-MHR_print.pdf
Preview of Metal Hydride Reactors for Fuel Cell Cooling in Electric Aircraft
🔗 Source: elib.dlr.de
📊 Size: 1.28 MB
👤 Author: fran_fn
⬇️ Downloads: 47

Summary

The thermal management system (TMS) of low-temperature fuel cells in electric aircraft is challenging due to high excess heat energy at low temperatures. Metal hydride (MH) reactors can enhance the TMS by absorbing heat from the fuel cell or operating as a heat pump to enlarge the temperature difference in the heat transfer fluid cycle. Two operation concepts are considered: the MH reactor as a heat sink and as a heat pump. For both modes, a sizing of the MH reactor and heat exchanger is performed to estimate the impact on the TMS. The study shows that MH reactors can reduce the size of the heat exchanger significantly, with a reduction of up to 8% in quasi-continuous heat pump operation and 39% when the MH reactor operates as a heat sink. The results are applicable to general aviation, commuter, and regional aviation aircraft.

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Description

Electrified propulsion systems can reduce aviation's environmental impact. Hydrogen fuel cells are a promising technology to power electric propulsors, but their thermal management is challenging due to excess heat energy at low temperatures. Metal hydride reactors can enhance thermal management and serve as an emergency hydrogen supply.

Technical Information

  • File Format: PDF
  • File Size: 1.28 MB
  • Pages: 16
  • Language: EN
  • Author: fran_fn
  • Total Downloads: 47
  • Last Updated: 3 weeks ago

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This PDF document about Metal Hydride Reactors for Fuel Cell Cooling in Electric Aircraft provides comprehensive information and guidance. Whether you're a beginner or advanced user, this resource offers valuable insights into Metal Hydride Reactors for Fuel Cell Cooling in Electric Aircraft.

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Metal guideMetal tutorialHydride guideHydride tutorialReactors guideReactors tutorialFuel guideFuel tutorialCell guideCell tutorialCooling guideCooling tutorialElectric guideElectric tutorialAircraft guideAircraft tutorial

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