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DelHy 3W - Hydrogen Fuelled Hy-Alfa Three Wheeler
Technical Paper
2013-01-0224
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
The main objective of the project is to develop the
hydrogen-fuelled vehicles for transport application. Exhaustive lab
tests on engine & vehicle was done to access the hydrogen (H₂)
behavior at varying operating conditions. Fifteen such
hydrogen-fuelled vehicles were developed by Mahindra with
integration of the optimized engine, fuel storage system, fuelling
system and safety features to demonstrate these hydrogen vehicles.
These vehicles are refueled at a dedicated hydrogen-refueling
facility. Detailed calibration was done with hydrogen for meeting
the performance and emissions characteristics of the engine. In
this experimental investigation Electronic Control Unit (ECU)-based
timed manifold injection system was developed. Hydrogen is injected
before the intake manifold and the quantity of hydrogen injection
is depending on the load, speed and operating conditions. Hydrogen
safety strategies/systems including hydrogen leak sensors, solenoid
cutoff valves, flashback arrestor, emergency shutoff switch are
used to ensure the safety of the on-board passengers. Carbon-based
exhaust gases such as Carbon Monoxide (CO), Carbon dioxide (CO₂),
Hydrocarbon (HC) was observed to be very negligible quantity in the
exhaust gas (Due to partial burning of lube oil). Only ultra-low
emissions of Oxides of Nitrogen (NOX) are observed in the
exhaust. The performance drop compared to gasoline at full load is
~ 25% which is due to lean burn operation of hydrogen (equivalence
ratio 0.6). The driveability of these vehicles is in similar
magnitude as of gasoline.
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Authors
Citation
Natarajan, S., Abraham, M., Rajesh, M., Subash, G. et al., "DelHy 3W - Hydrogen Fuelled Hy-Alfa Three Wheeler," SAE Technical Paper 2013-01-0224, 2013, https://doi.org/10.4271/2013-01-0224.Also In
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