MHIET Conducts Combustion Test for Hydrogen Engine with Pure Hydrogen

The Mitsubishi Heavy Industries Group has been working on the development of various products that will have zero CO2 emissions. Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. (MHIET, President: Takeshi Kajino, Sagamihara, Kanagawa Prefecture), a part of the group, is strengthening its efforts to develop a hydrogen engine based on their existing diesel and gas engines.

MHIET has conducted a combustion test of a hydrogen engine in a joint research project with Japan’s National Institute of Advanced Industrial Science and Technology (AIST, President: Kazuhiko Ishimura). A modified single cylinder gas engine (bore 170mm x stroke 220mm) based on MHIET’s 4-stroke reciprocating gas engine “GSR series” offered in 6 to 16 cylinders was installed at the AIST Fukushima Renewable Energy Institute (Koriyama, Fukushima Prefecture).The test was carried out to identify the conditions to achieve stable combustion of 100% hydrogen without emitting CO2.

MHIET and AIST began the joint research on combustion of hydrogen on an engine in fiscal 2019. MHIET and MHI Research and Innovation Center designed and built the hydrogen engine using the knowledge of hydrogen combustion technology, industrial-use diesel engines and natural gas engines, studied the conditions for optimum combustion, and analyzed the test data.

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