Dynamic behavior of a flexible small­scale ammonia synthesis process

Due to climate change, the growth in renewable energy is still accelerating and reaching new records each year. Not everything can be electrified, hence, the production of green hydrogen as an energy vector is gaining momentum. However, lowest cost hydrogen will not always be produced at the demand centres, necessitating transport of hydrogen...

Hyperloop Tube Breach: Analysis of unsteady blast wave effects

A loss of vacuum accident in the hyperloop tunnel will likely occur during its operation, and it may have a severe impact on its operational safety. Nevertheless, the hyperloop tube breach has only been researched superficially.<br/><br/>Two aerodynamic phenomena due to the breach are identified: a (quasi-)steady underexpanded jet and an...

Long-span Timber Roof Structure for the New Feyenoord Stadium

Timber structures are experiencing a revelation in the build environment due to new technologies and production techniques. However, the longest spans created with timber structures still don't compete with the span widths of structures made of steel. This thesis provides a preliminary design for the long-span football stadium roof structure of...

Gaggenau Sous Chef

Digital technology is conquering private homes and changes the way people interact with products and services. Today already, devices provide intelligent support for daily tasks, by making homes automated and context-aware. This inexorable trend is projected to further reshape the nature of consumer goods. However, several threats come along...

Development of a fracture fatigue test for lifetime quantification of footwear outsoles: a preliminary application to self-healing polymers

Previous research showed fracture failure in the outsole of sports footwear. There was no method available for the quantification of the material behavior in with this failure mechanism. Therefor the goal of this research was to develop a mechanical test method for quantification of fatigue fracture behavior of a material when a crack is present...

Greenhouse transitionzone

The Airey building blocks in Amsterdam currently don’t meet regulations set for 2020 that state that buildings should operate in an energy neutral manner. The goal of this research is to establish whether addition of greenhouses can improve indoor thermal comfort and reduce total energy use in such a way that they contribute to energy neutrality...

Challenge accepted - Why some entrepreneurs succeed where others do not: An exploratory study on context and challenge perception and the choice of strategic activities of entrepreneurs in Dutch high-technology and clean-technology start-ups

Wealth, prosperity and sustainable economic growth for future generations are topics which today’s policy makers and society have to deal with on an everyday basis. Radical technologies, disrupting incumbent technological and societal regimes play an important role in realizing these advances. Entrepreneurial innovation has been identified as...