Mahdi Darzi

Greenhouse gas emissions and fuel efficiency of in-use high horsepower diesel, dual fuel, and natural gas engines for unconventional well development

Derek Johnson, Robert Heltzel, Andrew C. Nix et al. · Applied Energy · 2017 · 74 citations · Full text

Greenhouse Gas Emission Reduction, Dual Fuel, Engineering +7

Low pressure direct injection strategies effect on a small SI natural gas two-stroke engine’s energy distribution and emissions

Mahdi Darzi, Derek Johnson, Chris Ulishney et al. · Applied Energy · 2018 · 40 citations · Full text

Electrical Engineering, Engineering, Energy Efficiency +4

Energetic and exergetic analyses of a variable compression ratio spark ignition gas engine

Ahmad Javaheri, Vahid Esfahanian, Ali Salavati-Zadeh et al. · Energy Conversion and Management · 2014 · 39 citations

Engineering, Combustion Science, Combustion Theory +4

Methane emissions from oil and gas production sites and their storage tanks in West Virginia

Derek Johnson, Nigel Clark, Robert Heltzel et al. · Atmospheric Environment X · 2022 · 33 citations · Full text

An optimization method for flexural bearing design for high-stroke high-frequency applications

Nima Zamani Meymian, Nigel Clark, Terence Musho et al. · Cryogenics · 2018 · 21 citations · Full text

Engineering, Flexural Bearing Design, Mechanical Engineering +6