Volker Maiwald

6 Questions 41 Answers 0 Followers

Questions related from Volker Maiwald

Where can I find data about mass specific energy consumption for carbon fibre?

I would like to calculate CO2-emissions due to the production (and subsequent use) of carbon fibre material. I am sure there are different types of this material with likely different values, but...

20 July 2023 7,821 2 View

Can eomeone point me to a mathematical Van Ellen Belt model in dependence on Earth distance?

I would like to have an estimate of radiation dose associated with a certain trajectory/ flight path in Earth's vicinity (e.g. transfer from LEO to GEO). For this I am looking for a mathematical...

28 April 2017 3,851 0 View

Are or better will nuclear fusion power generators be scalable?

Can anybody provide me with a source for estimates about power output by fusion power? Can it be assumed that a fusion reactor has a power output in the range of some kilowatts? Thank you!

11 July 2016 7,325 8 View

Celestial MEchanics: What is the link between excess velocity vector and peri center distance, resp. turning angle?

I am looking for a formulation between the _vector_ of the hyperbolic excess velocity and the corresponding hyperbolic orbit, especially the turning angle and the pericenter distance vector. I...

06 January 2016 9,660 2 View

Where do I find accurate planetary position data for our solar system?

I am trying to verify a three body simulation and for that need actual planetary position data from out solar system, but I cannot find any. I need it in barycentric coordinates, does anyone know...

24 September 2014 5,878 9 View

Gravitation and Quantum indeterminacy contradict each other => something is not right?

Quantum indeterminacy says that without interaction/ measurement the actual state of a particle is not determined. Gravitation on the other - by measurement and theory - reaches indefinitely far...

01 January 1970 8,342 8 View