Available Energy in Cars’ Exhaust System for IoT Remote Exhaust Gas Sensor and Piezoelectric Harvesting

Francesco Madaro, Iman Mehdipour, Antonio Caricato, Francesco Guido, Francesco Rizzi, Antonio Paolo Carlucci and Massimo De Vittorio
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Francesco Madaro: Center for Biomolecular Nanotechnologies, Istituto Italiano di Tecnologia, 73010 Arnesano (LE), Italy
Iman Mehdipour: Center for Biomolecular Nanotechnologies, Istituto Italiano di Tecnologia, 73010 Arnesano (LE), Italy
Antonio Caricato: Dipartimento di Ingegneria dell’ Innovazione, Università del Salento, 73100 Lecce, Italy
Francesco Guido: Center for Biomolecular Nanotechnologies, Istituto Italiano di Tecnologia, 73010 Arnesano (LE), Italy
Francesco Rizzi: Center for Biomolecular Nanotechnologies, Istituto Italiano di Tecnologia, 73010 Arnesano (LE), Italy
Antonio Paolo Carlucci: Dipartimento di Ingegneria dell’ Innovazione, Università del Salento, 73100 Lecce, Italy
Massimo De Vittorio: Center for Biomolecular Nanotechnologies, Istituto Italiano di Tecnologia, 73010 Arnesano (LE), Italy

Energies, 2020, vol. 13, issue 16, 1-15

Abstract: The exhaust system of the light-duty diesel engine has been evaluated as a potential environment for a mechanical energy recovery system for powering an IoT (Internet of Things) remote sensor. Temperature, pressure, gas speed, mass flow rate have been measured in order to characterize the exhaust gas. At any engine point explored, thermal energy is by far the most dominant portion of the exhaust energy, followed by the pressure energy and lastly kinetic energy is the smallest fraction of the exhaust energy. A piezoelectric flexible device has been tested as a possible candidate as an energy harvester converting the kinetic energy of the exhaust gas flow, with a promising amount of electrical energy generated in the order of microjoules for an urban or extra-urban circuit.

Keywords: light-duty diesel engine; piezoelectric harvester; IoT remote sensor; aluminum nitride (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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