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Design and development of a parallel Proof of Work for permissionless blockchain systems
(2019-04-01)
Blockchain, which is the underlying technology for the Bitcoin cryptocurrency, is a distributed ledger forming a decentralized consensus in a peer-to-peer network. A large number of the current cryptocurrencies use blockchain ...
Passive damping mechanism of Herschel-Quincke tubes for pressure pulsations in piping systems
(2018-12-01)
The acoustic pressure pulsations in industrial piping systems can induce fluctuating loads on inline equipment which may cause fatigue failure and in severe cases, initiate a phenomenon known as acoustic resonance. Passive ...
A monitoring framework for side-channel information leaks
(2019-04-01)
Security and privacy in computer systems is becoming an ever important field of study as the information available on these systems is of ever increasing value. The state of research on direct security attacks to computer ...
Design and analysis of an active underbody aerodynamic device for tractor trailers
(2018-04-01)
At highway speeds, up to 65 % of the total energy used by large trucks is for overcoming aerodynamic drag. The underbody region of a tractor-trailer is responsible for up to 30 % of the aerodynamic drag on tractor-trailers, ...
Development and investigation of an ammonia synthesis reactor
(2018-08-01)
Ammonia production has gained increasing attention in the last decade due to its importance as a feedstock and an energy carrier. In the present thesis study, two novel ammonia production systems are presented. The first ...
Design and verification of situation-aware real-time systems
(2018-12-01)
A real-time system (RTS) is usually well-defined and operates based on a specific model defined during system design. However, the RTS can interact with different objects from its environment and needs to satisfy a number ...
Tribological capabilities of carbon based nano additives in liquid and semi-liquid lubricants
(2019-04-01)
The growing population, the environmental challenges and limitations of nonrenewable resources have enforced researchers to improve the energy efficiency and reduce energy wastage in all industrial sectors including ...
Numerical investigation of turbulent combustion regimes on localized forced ignition using stratified combustible mixture
(2019-03-01)
Localized forced ignition of turbulent stratified mixtures has been numerically analyzed based on three- dimensional Direct Numerical Simulations (DNS) for different values of Karlovitz number (Ka) corresponding to different ...
Enhancing the effectiveness of Stirling engine regenerators
(2019-04-01)
A discrete heat transfer model is developed to determine which parameters influence the effectiveness of Stirling engine regenerators and quantify how they influence it. It is revealed that the regenerator thermal mass ...
Development of an end-effector system for autonomous spraying applications and radiation surveying
(2018-11-01)
This thesis presents the design and testing of a scale proof-of-concept prototype end-effector system for autonomous shotcrete application and radiation surveying in underground uranium mining environments. The prototype ...