M3 Hydrogen vehicles with combustion engines
Topic outline
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Funded by the European Union. Views and opinions expressed are however those of the author(s) only and do not necessarily reflect those of the European Union or the European Education and Culture Executive Agency (EACEA). Neither the European Union nor EACEA can be held responsible for them.
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Key words:
history of hydrogen, automobile, Rivaz.
Study questions
- Who was the man that was first with a functional internal combustion engine?
- What forced the rapid change in fuel use in Leningrad 1941?
- In what way was 1966 a successful year regarding hydrogen development?
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This chapter briefly describes hydrogen gas and one of the manufacturing processes without an environmental footprint and presents different types of hydrogen driven vehicles. The production of hydrogen gas is further explained in a different module.
Keywords:
hydrogen gas production, weight ratio, hydrogen driven vessels, electrofuel.
Study questions
- What's the weight ratio of air versus hydrogen gas?
- Give an example of where hydrogen can be refined from?
- What kind of vehicles/vessels could be possible for the use of hydrogen?
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In the following chapter you will learn about the risks regarding refueling hydrogen. You will also learn about the advantages compared to recharging electric vehicles and the future of hydrogen fuel and refueling.
Keywords:
refueling, potential risks, petrol and diesel vs. hydrogen.
Study questions
- How is it an advantage to refueling with hydrogen compared to charging an electric vehicle?
- Why is the hydrogen gas pressurized to such high figures?
- What could be a safety risk when refueling hydrogen?
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This chapter explains the principles behind two types of engines, the Otto engine and the Diesel engine, which could be used with hydrogen as a fuel. You will also learn more about the four stroke principle related to these engines.
Keywords:
Otto engine, Diesel engine, the four stroke principle.
Study questions
- What is creating the under pressure in the cylinder?
- What is used in an Otto engine to ignite the fuel?
- What does it take to ignite the fuel in a Diesel engine?
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In the following chapter you will learn how relatively easy an Otto or Diesel engine can be converted, step by step, to run on hydrogen fuel. This chapter also explains how to inject and ignite the hydrogen fuel in a converted engine in different ways and potential risks when misfiring.
Key words:
Ignition, ignition timing, fuel injection, conversion.
Study questions:
- Which burns at the fastest ratio hydrogen or gasoline?
- How can the self ignition be a risk for the engine?
- Why is platinum coated spark plugs not a good choice for hydrogen engine?
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Today, researchers around the world are in full swing developing and refining the technology for engines that can run/run better on hydrogen. They work on supplying the hydrogen to the engine in different ways, this will be explained in closer detail in the following chapter.
Key words:
Ignition, injection, different injection systems.
Study questions:
- What system is considered the most simple way to feed the engine with hydrogen?
- Which one of the exhaust gasses has shown to be challenging to reduce to reasonable figures?
- Explain why the pilot injection is used in a hydrogen engine.
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This chapter shines light on the advantages of the conversion of existing engines and vehicle and vessel transport and production of the future. It also takes a more sentimental point of view on the future of vintage vehicles. In a world where scientists constantly find new solutions and a world where humanity are given new challenges with the environment, these are perspectives we must have in mind.
Keywords:
shifting engine production, conversion advantages, saving vintage vehicles, the future of vehicle and vessel transport.
Study questions
- What challenges of the future can hydrogen help to solve?
- What are the advantages of using hydrogen in an internal combustion engine vs. in a fuel cell?
- What possible advantages and disadvantages of shifting to a hydrogen based future do you see regarding both the individual and society?
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