Bjorn’s Corner: The challenges of Hydrogen. Part 12. Safety

October 23, 2020, ©. Leeham News: In our series on Hydrogen as an energy store for airliners we look deeper at the safety of a hydrogen airliner. Do the safety rules for the aircraft or the airport need… Read More

Bjorn’s Corner: The challenges of Hydrogen. Part 11. Emissions

October 2, 2020, ©. Leeham News: In our series on Hydrogen as an energy store for airliners we look deeper at the emissions from a hydrogen airliner and compare it to the emissions from today’s carbon fueled aircraft.

Bjorn’s Corner: The challenges of Hydrogen. Part 10. Airbus’ Hydrogen ZEROe concepts

September 25, 2020, ©. Leeham News: In our series on Hydrogen as an energy store for airliners, we look at the three hydrogen-based concept aircraft Airbus presented this week. They are called ZEROe and are concepts and not… Read More

Airbus announces zero-emission airliner concepts.

By Bjorn Fehrm September 21, 2020, © Leeham News: Airbus held a webcast today, announcing three zero-emission airliner concepts called the ZEROe line (Figure 1). The two conventional designs, the turbofan airliner and the turboprop use hydrogen as… Read More

Bjorn’s Corner: The challenges of Hydrogen. Part 9. Hydrogen Gas Turbines

September 18, 2020, ©. Leeham News: In our series on hydrogen as an energy store for airliners we analyze the conversion of the present Turbofan and Turboprop airliner engines to hydrogen as fuel instead of carbon-based fuels. We… Read More

Bjorn’s Corner: The challenges of Hydrogen. Part 8. Fuel cell electric or Turbofan propulsion?

September 11, 2020, ©. Leeham News: In our series on Hydrogen as an energy store for airliners we look at whether we use an LH2 burning Turbofan as propulsion or as the EU study proposed, a Parallel Hybrid… Read More

Bjorn’s Corner: The challenges of Hydrogen. Part 7. The fuel system.

September 4, 2020, ©. Leeham News: In our series on Hydrogen as an energy store for airliners we look at the rest of the fuel system after we looked at the hydrogen tanks over the last weeks. The… Read More

Bjorn’s Corner: The challenges of Hydrogen. Part 6. Tank placement.

August 28, 2020, ©. Leeham News: In our series on Hydrogen as an energy store for airliners we look at the challenge of placing the hydrogen tanks efficiently. Different from carbon fuels, liquid hydrogen needs specially shaped and… Read More

Bjorn’s Corner: The challenges of Hydrogen. Part 5. The Hydrogen tank.

August 21, 2020, ©. Leeham News: In our series on hydrogen as an energy store for airliners we start the design discussion of a hydrogen-fueled airliner by understanding the onboard storage of hydrogen better. While there is present… Read More

Bjorn’s Corner: The challenges of Hydrogen. Part 4. Hydrogen safety.

August 14, 2020, ©. Leeham News: In our series on hydrogen as an energy store for airliners we are closing in on the design problems for a hydrogen-fueled airliner. One of the aspects we must understand before discussion… Read More