John B. Heywood is a British mechanical engineer known for his work on automotive engine research, for authoring a number of field-defining textbooks on the internal combustion engine, and as the director of the Sloan Automotive Lab at the Massachusetts Institute of Technology (MIT).
Heywood was elected a member of the National Academy of Engineering in 1998 for the prediction of emissions and efficiencies of spark-ignition engines and contributions to national policies on motor emissions.
Heywood grew up in the United Kingdom in an academic family, [1] the child of a mechanical engineer father, Harold Heywood, and a metallurgist mother, Frances Heywood. After graduating from Cambridge University with a BA, he moved to Cambridge, Massachusetts in 1960 to study at MIT for a master's degree in 1962, and completed a PhD in mechanical engineering in 1965. [1]
Heywood's early work at MIT focused on chemical processes in car engines of molecules like oxides of nitrogen that lead to hydrocarbon emissions, at a time when it was unclear how and to what extent these contributed to atmospheric pollution. [1] In 1972, he became director of the MIT Sloan Automotive Lab, where he worked with James C. Keck and James Fay on internal combustion engines, fuel, automotive pollutants, and policy around the future of transportation. He became a full professor at MIT in 1976. [2] In 1988, he published a textbook, "Internal Combustion Engine Fundamentals", which served as a key text for mechanical engineering courses around the world and as an essential text for professional engineers in the field. The book sold over 130,000 copies, [1] with a second edition published in 2018. [3] In later stages of his career, Heywood worked on a number of forward-looking reports exploring the future of automotive transportation including "On the Road in 2020", published in 2000 and cited over 400 times, [4] "On the Road To 2035" in 2008, [5] and "On the Road Toward 2050" in 2015.
His comprehensive work across all parts of automotive engineering earned him the sobriquet "the Yoda of cars". [6]
While at MIT around 1960, he met his wife Peggy who was studying history at Radcliffe College. The two temporarily moved back to England for John to work on plasma dynamics for the Central Electricity Generating Board, before returning to Cambridge in 1968.
John and Peggy had three sons; engineer Jamie, craftsman builder Stephen, and entrepreneur Benjamin. In 1999, Stephen was diagnosed with the terminal neurodegenerative disease amyotrophic lateral sclerosis (ALS) at the age of 29. Together the family, led by Jamie, founded the ALS Therapy Development Institute to try and find a cure for Stephen, documented in the documentary film, So Much So Fast , and the book His Brother's Keeper: A Story from the Edge of Medicine, written by Pulitzer Prize-winning author Jonathan Weiner. While Stephen died in 2006 from complications of ALS, Heywood continues to serve on the board of ALS TDI alongside his son, Jamie. [7] Stephen's illness also inspired the online patient network PatientsLikeMe, founded by brothers Benjamin and Jamie with a college friend from MIT, Jeff Cole. In a review of His Brother's Keeper, the Los Angeles Times reviewer Mark Dowie wrote: "And what a family; tight-knit, loving, and defiantly loyal."
An engine or motor is a machine designed to convert one or more forms of energy into mechanical energy.
Horsepower (hp) is a unit of measurement of power, or the rate at which work is done, usually in reference to the output of engines or motors. There are many different standards and types of horsepower. Two common definitions used today are the imperial horsepower, which is about 745.7 watts, and the metric horsepower, which is approximately 735.5 watts.
Fuel injection is the introduction of fuel in an internal combustion engine, most commonly automotive engines, by the means of an injector. This article focuses on fuel injection in reciprocating piston and Wankel rotary engines.
Automotive engineering, along with aerospace engineering and naval architecture, is a branch of vehicle engineering, incorporating elements of mechanical, electrical, electronic, software, and safety engineering as applied to the design, manufacture and operation of motorcycles, automobiles, and trucks and their respective engineering subsystems. It also includes modification of vehicles. Manufacturing domain deals with the creation and assembling the whole parts of automobiles is also included in it. The automotive engineering field is research intensive and involves direct application of mathematical models and formulas. The study of automotive engineering is to design, develop, fabricate, and test vehicles or vehicle components from the concept stage to production stage. Production, development, and manufacturing are the three major functions in this field.
Gasoline direct injection (GDI), also known as petrol direct injection (PDI), is a mixture formation system for internal combustion engines that run on gasoline (petrol), where fuel is injected into the combustion chamber. This is distinct from manifold injection systems, which inject fuel into the intake manifold.
Homogeneous Charge Compression Ignition (HCCI) is a form of internal combustion in which well-mixed fuel and oxidizer are compressed to the point of auto-ignition. As in other forms of combustion, this exothermic reaction produces heat that can be transformed into work in a heat engine.
The Bourke engine was an attempt by Russell Bourke, in the 1920s, to improve the two-stroke internal combustion engine. Despite finishing his design and building several working engines, the onset of World War II, lack of test results, and the poor health of his wife compounded to prevent his engine from ever coming successfully to market. The main claimed virtues of the design are that it has only two moving parts, is lightweight, has two power pulses per revolution, and does not need oil mixed into the fuel.
James Heywood is an American MIT mechanical engineer who founded with his family the ALS Therapy Development Institute when his younger brother Stephen Heywood was diagnosed with amyotrophic lateral sclerosis (ALS) in December 1998. He is currently a director at AOBiome, as well as founder and CEO of PatientsLikeMe.
Dame Ann Patricia Dowling is a British mechanical engineer who researches combustion, acoustics and vibration, focusing on efficient, low-emission combustion and reduced road vehicle and aircraft noise. Dowling is a Deputy Vice-Chancellor and Professor of Mechanical Engineering, and from 2009 to 2014 she was Head of the Department of Engineering at the University of Cambridge, where she was the first female professor in 1993. She was President of the Royal Academy of Engineering from 2014 to 2019, the Academy's first female president.
Internal combustion engines date back to between the 10th and 13th centuries, when the first rocket engines were invented in China. Following the first commercial steam engine in 1698, various efforts were made during the 18th century to develop equivalent internal combustion engines. In 1791, the English inventor John Barber patented a gas turbine. In 1794, Thomas Mead patented a gas engine. Also in 1794, Robert Street patented an internal-combustion engine, which was also the first to use liquid fuel (petroleum) and built an engine around that time. In 1798, John Stevens designed the first American internal combustion engine. In 1807, French engineers Nicéphore and Claude Niépce ran a prototype internal combustion engine, using controlled dust explosions, the Pyréolophore. This engine powered a boat on the river in France. The same year, the Swiss engineer François Isaac de Rivaz built and patented a hydrogen and oxygen-powered internal-combustion engine. Fitted to a crude four-wheeled wagon, François Isaac de Rivaz first drove it 100 metres in 1813, thus making history as the first car-like vehicle known to have been powered by an internal-combustion engine.
A hydrogen internal combustion engine vehicle (HICEV) is a type of hydrogen vehicle using an internal combustion engine. Hydrogen internal combustion engine vehicles are different from hydrogen fuel cell vehicles. Instead, the hydrogen internal combustion engine is simply a modified version of the traditional gasoline-powered internal combustion engine. The absence of carbon means that no CO2 is produced, which eliminates the main greenhouse gas emission of a conventional petroleum engine.
Brake-specific fuel consumption (BSFC) is a measure of the fuel efficiency of any prime mover that burns fuel and produces rotational, or shaft power. It is typically used for comparing the efficiency of internal combustion engines with a shaft output.
Theodosios Alexander is an American academic, engineer and author. He has served as faculty and in academic administration in four universities, in the UK and USA, following the award of four graduate degrees from MIT, and work in engineering industry.
An internal combustion engine is a heat engine in which the combustion of a fuel occurs with an oxidizer in a combustion chamber that is an integral part of the working fluid flow circuit. In an internal combustion engine, the expansion of the high-temperature and high-pressure gases produced by combustion applies direct force to some component of the engine. The force is typically applied to pistons, turbine blades, a rotor, or a nozzle. This force moves the component over a distance, transforming chemical energy into kinetic energy which is used to propel, move or power whatever the engine is attached to.
Rodica A. Baranescu is a Romanian-American mechanical engineer known for her research in automotive diesel engines. Specifically she focuses on alternative fuels and optimization in emissions and performance of the engines.
Dionissios N. Assanis is a Greek academic administrator, scientist, engineer and author. He is the 28th president of the University of Delaware, a position he has held since June 6, 2016.
Avinash Kumar Agarwal is director of Indian Institute of Technology, Jodhpur. He is an Indian mechanical engineer, tribologist and a professor at the Department of Mechanical Engineering of the Indian Institute of Technology, Kanpur. He is known for his studies on internal combustion engines, Emissions, alternate fuels and CNG engines and is an elected fellow of the American Society of Mechanical Engineering (2013), Society of Automotive Engineers, US (2012), National Academy of Science, Allahabad (2018), Royal Society of Chemistry, UK (2018), International Society for Energy, Environment and Sustainability (2016), and Indian National Academy of Engineering (2015). The Council of Scientific and Industrial Research, the apex agency of the Government of India for scientific research, awarded him the Shanti Swarup Bhatnagar Prize for Science and Technology, one of the highest Indian science awards for his contributions to Engineering Sciences in 2016. Agarwal has been bestowed upon Prestigious J C Bose Fellowship of Science and Engineering Research Board. Government of India. Agarwal is among the top ten highly cited researchers (HCR) of 2018 from India, as per Clarivate Analytics, an arm of Web of Science.
Nicos Ladommatos is a British mechanical engineer. From 2004, he was the Kennedy Professor for Mechanical Engineering and Head of Department for UCL Mechanical Engineering. In his career, he authored or co-authored over 150 peer-reviewed papers., specialising in the areas of combustion, combustion engines, fuel development and future fuels.
Simone Hochgreb is a Brazilian mechanical engineer whose research has concerned efficiency and pollution in internal combustion engines, and the structure of premixed flames. She is Professor of Experimental Combustion at the University of Cambridge, head of the reacting flows group at Cambridge, and a Fellow of Homerton College, Cambridge, where she is Director of Studies for Engineering.
Peter Kelly Senecal is a mechanical engineer, academic and author. He is a co-founder and Owner of Convergent Science and one of the original developers of CONVERGE, a computational fluid dynamics software. Additionally, he holds positions as a visiting professor at the University of Oxford, an adjunct professor at the University of Wisconsin–Madison, and a co-founder and Director of the Computational Chemistry Consortium (C3).
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