Zobrazeno 1 - 10
of 165
pro vyhledávání: '"Dieter Brüggemann"'
Publikováno v:
Energy Science & Engineering, Vol 12, Iss 3, Pp 1028-1040 (2024)
Abstract The organic Rankine cycle (ORC) has received a lot of attention in recent years due to its wide application in energy recovery and the use of low‐temperature energy sources. In this article, the energy, exergy, and economic analyses of a h
Externí odkaz:
https://doaj.org/article/15d8068e9d114d0298062432f62a9523
Publikováno v:
Fluids, Vol 9, Iss 11, p 261 (2024)
Measurements of transmission as well as thermophysical properties have been carried out for different concentrations of SiO2 nanoparticles (0, 1, 2, 5, 10, and 20 wt.%) in pure water (W) and ethylene glycol–water mixture (EG/W) in a weight ratio of
Externí odkaz:
https://doaj.org/article/32ac54e679a54918bd992f91bf3b3e6e
Autor:
Tobias Popp, Andreas P. Weiß, Florian Heberle, Julia Winkler, Rüdiger Scharf, Theresa Weith, Dieter Brüggemann
Publikováno v:
Energies, Vol 15, Iss 1, p 25 (2021)
Micro turbines (el) are commercially used as expansion machines in waste heat recovery (WHR) systems such as organic Rankine cycles (ORCs). These highly loaded turbines are generally designed for a specific parameter set, and their isentropic expansi
Externí odkaz:
https://doaj.org/article/6b63593fd9ab4295aed13318f351fe8d
Publikováno v:
Energies, Vol 14, Iss 2, p 354 (2021)
This work is the final one in a series of three papers devoted to shedding light on the performance of fixed grid methods, also known as enthalpy methods, for the modeling and the simulation of solid/liquid phase transition. After a detailed analysis
Externí odkaz:
https://doaj.org/article/6ef27c16308045648c0a0685bf454916
Publikováno v:
Energies, Vol 13, Iss 22, p 6016 (2020)
This article presents a 125-day experiment to investigate model predictive heat pump control. The experiment was performed in two parallel operated systems with identical components during the heating season. One of the systems was operated by a stan
Externí odkaz:
https://doaj.org/article/47eebf84b83943e1bd23764b02f3cfe6
Autor:
Andreas König-Haagen, Adam Mühlbauer, Tom Marquardt, Adèle Caron-Soupart, Jean-François Fourmigué, Dieter Brüggemann
Publikováno v:
Applied Sciences, Vol 10, Iss 19, p 6723 (2020)
Computational Fluid Dynamics (CFD) simulations are increasingly employed in the development of latent thermal energy storage units. Yet there are often strong deviations between the experiments and numerical results. To unveil the sources of the devi
Externí odkaz:
https://doaj.org/article/fb65586538b8447289b70f577fe1e0f4
Publikováno v:
Applied Sciences, Vol 10, Iss 18, p 6532 (2020)
The difference in heating or cooling to power ratio between required demands for district networks and the proposed tri-generation system is the most challenging issue of the system configuration and design. In this work, an adjustable, novel tri-gen
Externí odkaz:
https://doaj.org/article/f66004ba2e2a46d4b1622529a30e1f95
Autor:
Charalampos Alexopoulos, Osama Aljolani, Florian Heberle, Tryfon C. Roumpedakis, Dieter Brüggemann, Sotirios Karellas
Publikováno v:
Energies, Vol 13, Iss 10, p 2428 (2020)
Towards the introduction of environmentally friendlier refrigerants, CO2 cycles have gained significant attention in cooling and air conditioning systems in recent years. In this context, a design procedure for an air finned-tube CO2 gas cooler is de
Externí odkaz:
https://doaj.org/article/309bc848af35498e953a4b17a860a280
Autor:
Markus Feulner, Gunter Hagen, Andreas Müller, Andreas Schott, Christian Zöllner, Dieter Brüggemann, Ralf Moos
Publikováno v:
Sensors, Vol 15, Iss 11, Pp 28796-28806 (2015)
Soot sensors are required for on-board diagnostics (OBD) of automotive diesel particulate filters (DPF) to detect filter failures. Widely used for this purpose are conductometric sensors, measuring an electrical current or resistance between two elec
Externí odkaz:
https://doaj.org/article/dc22b77367a54aac83b1d68cd2a77cd5
Publikováno v:
Energies, Vol 8, Iss 8, Pp 8887-8907 (2015)
This paper analyzes the behavior of residential solar-powered electrical energy storage systems. For this purpose, a simulation model based on MATLAB/Simulink is developed. Investigating both short-time and seasonal hydrogen-based storage systems, si
Externí odkaz:
https://doaj.org/article/2fbfd1d1fed24a7083f8dc2ce25bc665