The chart shows the distribution of publications by all Research.com ranked scientists in the field of Engineering and Technology in 2026. The highlighted bar marks where Donald J. Lewis sits on this spectrum.
This scientist: 138 publications — 22nd percentile
22% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 804 publications or more.
The chart shows the D-index (discipline H-index) distribution of Engineering and Technology scientists ranked by Research.com in 2026. The highlighted bar marks where Donald J. Lewis sits on this spectrum.
This scientist: 38 D-Index — 20th percentile
20% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 107 D-Index or more.
Donald J. Lewis focuses on Automotive engineering, Cylinder, Injector, Cylinder head and Controller. His studies deal with areas such as Control valves and External combustion engine as well as Automotive engineering. His Cylinder study combines topics from a wide range of disciplines, such as Variable displacement and Noise, vibration, and harshness.
Donald J. Lewis interconnects Engine coolant temperature sensor and Compensation in the investigation of issues within Injector. In his study, Engine control unit is strongly linked to Valve guide, which falls under the umbrella field of Valve timing. His Valve float study introduces a deeper knowledge of Internal combustion engine.
Donald J. Lewis mainly focuses on Automotive engineering, Internal combustion engine, Cylinder, Valve timing and Valve float. His Automotive engineering research focuses on subjects like External combustion engine, which are linked to Petroleum engineering. His Internal combustion engine study combines topics in areas such as Waste management and Position.
His biological study spans a wide range of topics, including Fuel injection and Control theory. Donald J. Lewis has researched Valve timing in several fields, including Control valves, Valve actuator, Valve guide and Throttle. His Valve float research includes elements of Longitudinal engine, Engine valve, Engine configuration and Pistonless rotary engine.
His main research concerns Automotive engineering, Internal combustion engine, Cylinder, Torque and Fuel tank. His Automotive engineering research integrates issues from Port, External combustion engine and Turbocharger. His research integrates issues of Control valves and Stroke in his study of External combustion engine.
His Internal combustion engine research is multidisciplinary, relying on both Fuel delivery, Waste management, Shutdown and Signal. His Cylinder research focuses on Injector and how it connects with Engine valve. His work deals with themes such as Fuel supply, Vapor lock and Brake specific fuel consumption, which intersect with Fuel tank.
Donald J. Lewis mainly focuses on Automotive engineering, Cylinder, Control, Simulation and Retarder. Many of his research projects under Automotive engineering are closely connected to Vehicle acceleration with Vehicle acceleration, tying the diverse disciplines of science together. The study incorporates disciplines such as Injector and Gasoline in addition to Port fuel injection.
His Retarder study integrates concerns from other disciplines, such as Engine coolant temperature sensor, Longitudinal engine, Engine control unit, Stall and Engine braking. His work carried out in the field of Stroke brings together such families of science as Control valves and External combustion engine. His research in Signal intersects with topics in Shutdown, Internal combustion engine and Turn and slip indicator.
Ross Dykstra Pursifull;Gopichandra Surnilla;Donald Lewis;Joseph Norman Ulrey
Donald J. Lewis;John D. Russell;John O. Michelini
Russell John D;Lippa Allan J;Lewis Donald J
Russell John D;Lippa Allan J;Lewis Donald J
Donald J. Lewis;John D. Russell
Donald J. Lewis;John D. Russell;John O. Michelini
Thomas G. Leone;Donald J. Lewis;Robert A. Stein
Donald J. Lewis;John D. Russell
Donald J. Lewis;John D. Russell;Christopher S. Tuttle
Donald J. Lewis
John O. Michelini;Donald J. Lewis
Donald J. Lewis;Allan J. Lippa;John D. Russell
Donald J. Lewis;John D. Russell
Donald J. Lewis;John D. Russell
Donald Lewis
Donald J. Lewis;John D. Russell;John O. Michelini
Gang Song;Ilya V. Kolmanovsky;John Ottavio Michelini;Donald J. Lewis
Lewis Donald James
Lewis Donald J;Jankovic Mrdjan J;Magner Stephen William;Suffredini Guiseppe D
Donald J. Lewis;John David Russell;Allan Joseph Kotwicki;Ross Dykstra Pursifull
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