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Data set generation at novel test-rig for validation of numerical models for modeling granular flows
(Elsevier, 2021-05-21)
Significant effort has been exerted on developing fast and reliable numerical models for modeling particulate flow; this is challenging owing to the complexity of such flows. To achieve this, reliable and high-quality ...
Fast and accurate simulation of fluid power circuits in the presence of small volumes using advanced methods and models for numerical stiffness elimination
(Lappeenranta-Lahti University of Technology LUT, 2023-06-02)
The modeling and simulation of fluid power systems are essential parts of the real-time simulation of virtual prototypes of mobile working machines. In several cases, in the dynamic simulation of such fluid power systems, ...
Climate-neutral Finland
(LUT University, 2023-05-23)
Finland is committed to aim for a carbon-neutral energy system by 2023. The transition is in progress with increasing shares of various forms of low-carbon production and significant reductions in the share of energy ...
Laser and hybrid welding of high-strength structural steels
(Lappeenranta-Lahti University of Technology LUT, 2023-06-02)
Laser and laser-arc hybrid welding processes are recognized as key joining methods in many industrial fields such as light and heavy machinery, ship-building and the automotive industry. In the early days of laser welding, ...
Revisiting the potential of pumped-hydro energy storage: A method to detect economically attractive sites
(Elsevier, 2021-09-07)
This study innovatively combines a set of methods to provide a new way to assess the economic potential of pumped hydro energy storage. It first provides a method based on geographic information systems to study the potential ...
Fast GRNN-Based Method for Distinguishing Inrush Currents in Power Transformers
(IEEE, 2021-09-08)
Differential protection, as the key protection element in the power transformers, has always been threatened with sending false trips subjected to external transient disturbances. As a result, differential protection needs ...
Collective Learning for Energy-centric Flexible Job Shop Scheduling
(IEEE, 2023-08-31)
Manufacturing industries can reduce their energy consumption by exploiting the flexibility in manufacturing processes, such as machine availability, flexible jobs, and resource usage. In this paper, we exploit the flexibility ...
Improving the design of cellular networks beyond 5G for smart grids
(Lappeenranta-Lahti University of Technology LUT, 2023-09-22)
In the last decade, wireless technologies have emerged to support vertical applications. For instance, many wireless communication technologies are becoming key enablers of specialized smart grid applications. However, ...
Reduction of non-circulating bearing currents by electrical machine design
(Lappeenranta-Lahti University of Technology LUT, 2023-09-22)
Electrical machines and drive systems play a crucial role in industrial processes and everyday life. Electrical drive systems that are capable of operating in the variable speed mode allow applying electric motors for the ...
Advances in Optimal Design of Shapes and Processes by Computational Fluid Dynamics
(Lappeenranta-Lahti University of Technology LUT, 2023-10-09)
In many engineering applications, it is desirable to design objects which display good performance characteristics when interfacing with fluid flow, either internal or external to the objects. For example, an aircraft wing ...