Electrical Energy Storage supports the expanding integration of intermittent renewable energy sources. However, capital costs of existing storage concepts are still too high for an economical operation. Therefore, ...

This paper addresses the experimental simulation of the longitudinal HFI-welding process of carbon steel tubes. Therefore, the experimental setup facilitates two plain sheets of the tube material. These sheets were moved towards each other while they...

Domestic induction heating technology is present in most of buildings due to the advantages of induction cooktops such as fast heating, efficiency, safety, and cleanness. However, the latest trends in this technology have brought new challenges due to the...

The paper is devoted to the implementation of the optimal programmed control in induction system for steel cylindrical billets heating before hot forming with guaranteed quality. For ...

Recent developments in domestic induction heating, such as the increase of the cooktop surface flexibility, lead to the design of new multi-output topologies. Those topologies enable the use of several modulation strategies that have&#x...

In this paper, the new process of "inductive contact joining" (ICJ) for the production of hybrid material composites is introduced and the results of investigations using glass and carbon fiber reinf...

This paper details the results of the latest dynamic neutron imaging experiments with magnetohydrodynamic argon bubble chain flow in liquid gallium. We perform parameter space mapping for our model system by imaging bubble flow without and with applied static...

The melting process in induction crucible furnaces causes permanent erosion at the refractory. Apart from the fact that liquid metal may infiltrate the refractory, mechanical strains may also &#x...

Induction tube welding is used for the continuous production of metallic tubes. These systems often utilize an internal magnetic flux controller (impeder) to improve process efficiency. Significant energy savings and increased productivity h...

A new concept in the implementation of induction heating technologies using smart high-frequency power supplies is described. The smart heating control system consists of a single board industrial computer with built-in ELTA simulation ...

The problems of choosing and calculating the parameters of the internal inductor, the power supply and the necessary matching circuits are considered. A simple analytical method for calculating the electrical parameters of a multi-turn interna...

The goal of the paper is to show a possible solution of time-optimal control problem applied to the induction heating process when the information about process parameters is not precisely known. In order&...

In this work metallic alloys with particle inclusions has been directionally solidified under electromagnetic interaction. Applied magnetic field and electric current creates melt flow which has impact on solidification structure and properties of the alloy. There are various effect...

We study liquid metal layer edge instability in transverse alternating magnetic field, both experimentally and numerically. An inductor is located along one of the layer edges. We find experimentally that liquid metal surface oxidation leads to almost static edge pattern u...

Molten aluminum in metallurgy environment col lects hydrogen from ambient air and water vapor thus after crys tallization causing porosity. Therefore hydrogen concentration must be reduced below a certain threshold before the final metal product is made. The most common way is&#x...

A wide range of industrial thermal processes are carried out using electrotechnologies. The application of electrothermal processes offers many advantages from technological, ecological and economical point of view. Although the technology level of the electro heating ...

Strong demand from the aerospace industry for composite materials with advanced properties promotes further developments of the related innovative manufacturing technologies. Chemical vapor infiltration (CVI) supported by microwave processing is one of the techniques of com...

Laser hardening brings a great increase in part life and it is an industry-proven process, typically used for hardening of moulds, gears, shafts etc. It was mainly the recent advancement of diode lasers that turned it into a competitive process. The contribution ...