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Wyszukujesz frazę "Fröhlich, Siegmund" wg kryterium: Autor


Wyświetlanie 1-3 z 3
Tytuł:
Energy efficiency analysis of 1 MW PV farm mounted on fixed and tracking systems
Autorzy:
Walichnowska, Patrycja
Mroziński, Adam
Idzikowski, Adam
Fröhlich, Siegmund Richard
Powiązania:
https://bibliotekanauki.pl/articles/31342637.pdf
Data publikacji:
2022
Wydawca:
Politechnika Częstochowska
Tematy:
farma fotowoltaiczna
efektywność
system śledzący słońce
photovoltaic farm
efficiency
solar-tracking system
Opis:
The article presents a comparison of results from a simulation of the energy production by a photovoltaic installation with a tracking system and a stationary PV farm in the PVSyst program. The analyzed 1 MW PV installations were located in the Kuyavian-Pomeranian Voivodeship in Poland. Energy production results obtained from the installation with a tracking system were compared with a stationary farm with panels placed at an angle of 20° and an azimuth 0°. The paper also presents the types of tracking systems and discusses the advantages of this solution and its risks compared to traditional panel mounting. The results obtained in the study indicated that the use of a tracking system increased the annual energy production compared to a stationary farm.
Źródło:
Budownictwo o Zoptymalizowanym Potencjale Energetycznym; 2022, 11; 75-83
2299-8535
2544-963X
Pojawia się w:
Budownictwo o Zoptymalizowanym Potencjale Energetycznym
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Solving selected quality management problems with the use of the D4 discipline algorithm of the G8D method
Autorzy:
Cyganiuk, Joanna
Kuryło, Piotr
Idzikowski, Adam
Fröhlich, Siegmund
Niemira, Przemysław
Powiązania:
https://bibliotekanauki.pl/articles/88588.pdf
Data publikacji:
2019
Wydawca:
Stowarzyszenie Menedżerów Jakości i Produkcji
Tematy:
G8D method
root cause
escape point
quality management
production process
safety
metoda G8D
zarządzanie jakością
proces produkcji
bezpieczeństwo
optymalizacja produkcji
Opis:
The G8D method is one of the methods used in quality management using quality management tools and designed to solve problems occurring in production processes. The method consists of 8 disciplines and ensures the required quality of both production processes and finished products. It may also be applied to the optimization of production processes, while ensuring their safety. In the article, the authors presented the method of using the D4 discipline algorithm of the G8D method allowing to detect the root cause of the problem in the process and to indicate the so-called escape point. The authors presented the course of action for discipline D4 undertaken when the root cause of the problem is to be analysed. The procedure is presented on an exemplary process of the projection welding of a nut.
Źródło:
System Safety : Human - Technical Facility - Environment; 2019, 1, 1; 996-1003
2657-5450
Pojawia się w:
System Safety : Human - Technical Facility - Environment
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Application of ultrasonic cleaning for shipborne heat exchangers: Construction, numerical simulation, and verification
Autorzy:
Buse, Hauke
Spangemacher, Lars
Fröhlich, Siegmund
Powiązania:
https://bibliotekanauki.pl/articles/24202542.pdf
Data publikacji:
2022
Wydawca:
Akademia Morska w Szczecinie. Wydawnictwo AMSz
Tematy:
ultrasonic
cleaning
heat exchanger
pipe bundle
micro-cavitation
simulation
Opis:
The current article describes the basics and prospects of the ultrasound-assisted cleaning of shell and tube heat exchangers that are used, e.g., on ships. A main issue of seawater heat exchangers is their clogging. After a certain operating time, the fouling process (barnacles, algae, etc.) starts, which results in a decreased performance that produces a noticeably reduced flow rate and a declining transmission of heat energy. Based on the current state of the art, heat exchangers are cleaned by mechanical or chemical (CIP, cleaning in place) methods. Especially on ship-based systems, a mechanical cleaning in very narrow spaces can be difficult and the usage of chemicals for CIP may generally be prohibited. An ultrasound-assisted cleaning would significantly save time and manning. Based on previous experiments, a test reactor represented by a shell and tube heat exchanger with ultrasound-assisted cleaning has been designed. A FEM (finite element method) simulation is performed to provide information about the ultrasound power distribution inside the reactor. Further, the assembly and commissioning of the test reactor with associated comparative measurements were carried out, which are also reported here.
Źródło:
Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2022, 71 (143); 41--47
1733-8670
2392-0378
Pojawia się w:
Zeszyty Naukowe Akademii Morskiej w Szczecinie
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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