The numerical solution of the Linearized Boltzmann Equation (LBE) via the Discrete Ordinates method (SN) requires extensive computational resources for large 3-D neutron and gamma transport applications due to the concurrent discretization of the angular, spatial, and energy domains. This paper will discuss the development RAPTOR-M3G (RApid Parallel Transport Of Radiation – Multiple 3D Geometri...

In this work, we develop four maximum likelihood (ML) methods to localize a moving target using a network of acoustical sensor arrays. Each array transmits a direction-of-arrival (DOA) estimate to a central processor, which employs one of the localization techniques. The four ML approaches use different target signal models where the time retardation factor for the target position and the degra...

This paper presents an overview of the design of electrochemical processing equipment for semiconductor and related microelectronic manufacturing as well as a review of publications that are applicable to electrochemical wafer process equipment. We discuss several types of electrochemical processes applicable to wafer processing and the considerations that go into automated equipment for these ...

Biodiesel is an alternative fuel source that can be easily made by novices with an inexpensive home-made reactor using waste vegetable oil, but producing high quality fuel using a home-made reactor is difficult due to the complexity of the chemical interactions and the configurations of the processor. A biodiesel processor is a complex system that can be modeled and simulated using formal model...

Reactor simulation depends on the coupled solution of various physics types, including neutronics, thermal/hydraulics, and structural mechanics. This paper describes the formulation and implementation of a parallel solution coupling capability being developed for reactor simulation. The coupling process consists of mesh and coupler initialization, point location, field interpolation, and field ...

Background Acoustics features in music and sound and their connection to body gestures have already been investigated in previous scientific studies, such in the case of musician movements while playing an instrument, or footstep sounds. It has also been proved that humans are able to visually identify emotions in gestures only as suggested for example by previous studies on musician and non-mu...

2 ACKNOWLEDGEMENTS We would like to thank our thesis advisor Benny Sällberg (phd student) for providing us with the opportunity to work over the past six months in the Signal Processing Laboratory, Department of Electrical Engineering. We thank him for the guidance he has provided and the confidence he has shown in our work. We also thank him for the spontaneous replies from him when we had que...

The topic of covert acoustical communication in air has produced public attention, lately. In 2013, we presented the fact that infected drones (e.g. laptops) might form covert acoustical mesh networks in air, only utilizing the built-in speakers and microphones. In this article, we aim to present the current state of covert acoustical communication in air. We discuss future forms of covert acou...