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Energy Recovery Rate from an Electric Air-Cycle System under the Cruising Altitude and Speed Akita University
- Format:
- Book
- Conference/Event
- Author/Creator:
- Adachi, Takahiro, author.
- Conference Name:
- AeroTech Europe (2019-09-24 : Bordeaux, France)
- Language:
- English
- Physical Description:
- 1 online resource cm
- Place of Publication:
- Warrendale, PA SAE International 2019
- Summary:
- A new electric air-cycle system of aircrafts is investigated focusing on energy recovery from the exhaust air. The working fluid of air has the higher energy level in the cabin than in the outside during the cruise because the outside air is at low pressure and low temperature. In the system, by setting a recovery turbine behind the cabin, the discharged energy can be collected, although the working fluid through the system has been only discharged from the cabin into the outside. We perform a thermodynamic cycle-analysis, where the temperature, pressure, entropy, et cetera are calculated at each position of the cycle by considering the two pressure ratios of the compressors as variable parameters to show T-s diagram. In addition, we obtain an energy recovery rate of the recovery energy to the necessary power for the electric compressor. The energy recovery rate is roughly estimated 40-80% under the reasonable practical operating conditions
- Notes:
- Vendor supplied data
- Publisher Number:
- 2019-01-1905
- Access Restriction:
- Restricted for use by site license
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