Zobrazeno 1 - 10
of 69
pro vyhledávání: '"Richard Lenhard"'
Publikováno v:
Energies, Vol 16, Iss 10, p 4066 (2023)
The objective of this article is to address the challenges associated with visualizing air flow over a heating source in an open laboratory environment. The study uses a combination of experimental visualization and numerical simulation techniques to
Externí odkaz:
https://doaj.org/article/d09a25eceb894a8b9c9cc3fa60ae925f
Publikováno v:
Energies, Vol 15, Iss 22, p 8753 (2022)
Deep knowledge about pressure and energy losses in each part of a steam turbine is crucial for assuring the required efficiency and operational reliability. This paper presents the experimental as well as the numerical study of pressure losses in the
Externí odkaz:
https://doaj.org/article/46ae42c380c345ffb3dc70d79b4edcee
Publikováno v:
Applied Sciences, Vol 12, Iss 7, p 3525 (2022)
Slovak Republic is a member of the European Union and is a part of the European energy market. Although Slovakia contributes only marginally to global emissions, there is an effort to meet obligations from the Paris climate agreement to reduce greenh
Externí odkaz:
https://doaj.org/article/503d697220d14c20ab1e43a1fbab4927
Publikováno v:
Energies, Vol 14, Iss 20, p 6733 (2021)
Currently, one of the most used motor types for high-speed applications is the permanent-magnet synchronous motor. However, this type of machine has high costs and rare earth elements are needed for its production. For these reasons, permanent-magnet
Externí odkaz:
https://doaj.org/article/4bf3d545c5f64b8c87d94733961ba8ed
Publikováno v:
Communications, Vol 18, Iss 1A, Pp 115-121 (2016)
The paper presents a numerical model of heat transport from melting charge of the electric arc furnace designed for ferroalloy production, into a cooled roof of the electric arc furnace from which waste heat is led to the heating system of a company.
Externí odkaz:
https://doaj.org/article/6e46a2bd45844733af2c09438b87bf74
Autor:
Radovan Nosek, Stanislav Gavlas, Richard Lenhard, Veroslav Sedlak, Havard Mollerhagen Arvesen
Publikováno v:
Communications, Vol 16, Iss 3A, Pp 62-66 (2014)
Construction of heat exchanger assembly has important role for efficient operation of energy systems. Within this assembly a heat pipe is utilized for heat transfer. The condensation part of the heat pipe is situated on top of the heating zone. The d
Externí odkaz:
https://doaj.org/article/fdc4bd9bc70a4b1691a77f0c08de6fb0
Publikováno v:
Communications, Vol 14, Iss 3, Pp 10-16 (2012)
This article presents a proposal of a simulator for low-potential geothermal heat transfer by means of heat pipes into the heat pump exchanger section. On this device the research on transmission phenomena at different temperatures at the simulator i
Externí odkaz:
https://doaj.org/article/7326e3af54c44f8aabb228bf38bcb670
Publikováno v:
THE PROCEEDINGS OF THE 5TH INTERNATIONAL CONFERENCE ON MARITIME EDUCATION AND TRAINING (The 5th ICMET) 2021.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::86cf9a2ea34c5b272b08159fe780e5dc
https://doi.org/10.1063/5.0120007
https://doi.org/10.1063/5.0120007
Publikováno v:
Energies; Volume 14; Issue 20; Pages: 6733
Energies, Vol 14, Iss 6733, p 6733 (2021)
Energies, Vol 14, Iss 6733, p 6733 (2021)
Currently, one of the most used motor types for high-speed applications is the permanent-magnet synchronous motor. However, this type of machine has high costs and rare earth elements are needed for its production. For these reasons, permanent-magnet
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::af97c776ed109e8ed7742db5bee7a351
Publikováno v:
Processes
Volume 9
Issue 10
Processes, Vol 9, Iss 1816, p 1816 (2021)
Volume 9
Issue 10
Processes, Vol 9, Iss 1816, p 1816 (2021)
Článek popisuje metody měření a vyhodnocení dat z jednostupňové axiální turbíny s vysokou reakcí (50 %). Byly vybrány čtyři provozní režimy turbíny, ve kterých probíhalo traverzování za rozváděcí a oběžnou mříží pomocí
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::84913d15ac69ac0b8069863b519fd055