Geothermal and solar thermal energy provide huge technical potential for energy generation. For converting this low-temperature heat with secondary circuit, Organic Rankine Cycle (ORC) and Kalina Cycle System (KCS) are the currently available two conversion processes. For low heat source temperatures…
Two-phase flows of an electrically conducting liquid occur in a number of metallurgical processes. For example, in continuous casting of steel, argon bubbles are injected in order to prevent clogging of the submerged entry nozzle. Bubbles are also introduced into the stirring ladle during steel production…
Liquid metal flow interacts with a magnetic field under the influence of Lorentz force. This interaction can lead to a remarkable change in magnetic field or liquid metal flow. The former occurs in geo- and astrophysical dynamos while the latter, which occurs in laboratory scales as well, has applications…
Currently, mechanical stirrers are used for mixing and homogenizing fluids in the glass and chemical industries. Disadvantages are the mechanical wear and the associated contamination of the fluid, particularly in corrosive fluids and in high temperatures. In addition, the influences on the flow are…
The requirements for the use of highly efficient components in refrigeration and air-conditioning equipment are constantly increasing, with the aim of achieving a high energy efficiency as well as low space and material requirements. Here, one of the essential components is the finned-tube heat exchanger.…
An experiment for magnetic and optical measurements of a fluid-fluid interface
was set up. The fluids were Galinstan and an aqueous solution of KOH (Potassium
Hydroxide). A current was vertically passed through the system.
The experment allowed to generate different interface modes and measurements…