Zobrazeno 1 - 10
of 4 672
pro vyhledávání: '"modelica"'
Publikováno v:
Geothermal Energy, Vol 12, Iss 1, Pp 1-23 (2024)
Abstract Space heating applications account for a high share of global greenhouse gas emissions. To increase the renewable share of heat generation, seasonal thermal energy storage (STES) can be used to make thermal energy from fluctuating renewable
Externí odkaz:
https://doaj.org/article/c3af545d879c494fb0c542747f8ed2f7
Autor:
N. Dianne Bull Ezell
Publikováno v:
Frontiers in Nuclear Engineering, Vol 3 (2024)
NASA and the Department of Defense are planning for a mission to Mars in the 2030s–2040s using nuclear thermal propulsion (NTP). NTP uses a nuclear reactor to heat flowing hydrogen and create thrust. A serious concern for crewed and uncrewed missio
Externí odkaz:
https://doaj.org/article/58a6c1e876a7410b8d5937f95cdf8abd
Publikováno v:
Energy Conversion and Management: X, Vol 22, Iss , Pp 100604- (2024)
This study quantifies and compares operational strategies as applied on a solar-assisted ground-source trans-critical CO2 heat pump (CO2 SAGSHP) system for simultaneous space and water heating, optimized on an hourly basis over the course of a week.
Externí odkaz:
https://doaj.org/article/df39af7fe5b5491e880ca3afd6806213
Autor:
Theresa Boiger, Gerald Schweiger
Publikováno v:
International Journal of Sustainable Energy, Vol 42, Iss 1, Pp 1028-1041 (2023)
Energy simulation models are crucial to estimate the energy demand of buildings, especially for prospective planning on a district or city scale. As required input data is not available in many cases, an automated model generation workflow is needed.
Externí odkaz:
https://doaj.org/article/ce914293e9f1443989b6e62ed961e523
Autor:
Johannes Ultsch, Andreas Pfeiffer, Julian Ruggaber, Tobias Kamp, Jonathan Brembeck, Jakub Tobolář
Publikováno v:
Applied Sciences, Vol 14, Iss 16, p 7066 (2024)
In vertical vehicle dynamics control, semi-active dampers are used to enhance ride comfort and road-holding with only minor additional energy expenses. However, a complex control problem arises from the combined effects of (1) the constrained semi-ac
Externí odkaz:
https://doaj.org/article/5deff5adacef48b49d3915b47b4c8113
Publikováno v:
Batteries, Vol 10, Iss 6, p 188 (2024)
The development of accurate dynamic battery pack models for electric vehicles (EVs) is critical for the ongoing electrification of the global automotive vehicle fleet, as the battery is a key element in the energy performance of an EV powertrain syst
Externí odkaz:
https://doaj.org/article/71f2cf16fa8e42baaa23fca02f955de3
Autor:
Stefano Farì, Marco Sagliano, José Alfredo Macés Hernández, Anton Schneider, Ansgar Heidecker, Markus Schlotterer, Svenja Woicke
Publikováno v:
Aerospace, Vol 11, Iss 5, p 337 (2024)
Reusable rockets must rely on well-designed Guidance, Navigation and Control (GNC) algorithms. Because they are tested and verified in closed-loop, high-fidelity simulators, emphasizing the strategy to achieve such advanced models is of paramount imp
Externí odkaz:
https://doaj.org/article/648183a2711946e5bcb81384564e8e5e
Publikováno v:
Wind Energy, Vol 26, Iss 6, Pp 538-572 (2023)
Abstract The exploitation of offshore wind energy by means of floating wind turbines is gaining traction as a suitable option to produce sustainable energy. Multi‐rotor floating wind turbines have been proposed as an appealing option to reduce the
Externí odkaz:
https://doaj.org/article/f52fdf23c53b41a1a5f7c47e99e01b8f