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Auflistung nach Schlagwort "Carbon dioxide"

Anzeige der Dokumente 1-19 von 19

Additive manufacturing of glass: CO2-Laser glass deposition printing

Von Witzendorff, Philipp; Pohl, Leonhard; Suttmann, Oliver; Heinrich, Peter; Heinrich, Achim; Zander, Jörg; Bragard, Holger; Kaierle, Stefan (Amsterdam : Elsevier B.V., 2018)

Additive manufacturing is used in several industrial sectors where polymers and metals are established materials. Different academic studies prove that additive manufacturing methods can be applied on glass materials using ...
Analysis of peat soil organic carbon, total nitrogen, soil water content and basal respiration: Is there a ‘best’ drying temperature?

Dettmann, Ullrich.; Kraft, Nicky Nancy; Rech, Raimund; Heidkamp, Arne; Tiemeyer, Bärbel (Amsterdam [u.a.] : Elsevier Science, 2021)

Soil needs to be dried in order to determine water content, soil organic carbon content (SOC) and total nitrogen content (N). Water content is commonly measured using standard methods that involve drying temperatures of ...
Carbon dioxide free production of hydrogen

Stoppel, L.; Fehling, T.; Geißler, T.; Baake, E.; Wetzel, T. (Bristol : Institute of Physics Publishing, 2017)

The present report summarizes the theoretical modelling and experimental investigation results of the study on the direct thermal methane cracking. This work is a part of the LIMTECH-Project (Liquid Metal Technologies) ...
Climate-smart agriculture practices for mitigating greenhouse gas emissions

Zaman, M.; Kleineidam, K.; Bakken, L.; Berendt, J.; Bracken, C.; Butterbach-Bahl, K.; Cai, Z.; Chang, S. X.; Clough, T.; Dawar, K.; Ding, W. X.; Dörsch, P.; dos Reis Martins, M.; Eckhardt, C.; Fiedler, S.; Frosch, T.; Goopy, J.; Görres, C.-M.; Gupta, A.; Henjes, S.; Hofmann, M. E. G.; Horn, M. A.; Jahangir, M. M. R.; Jansen-Willems, A.; Lenhart, K.; Heng, L.; Lewicka-Szczebak, D.; Lucic, G.; Merbold, L.; Mohn, J.; Molstad, L.; Moser, G.; Murphy, P.; Sanz-Cobena, A.; Šimek, M.; Urquiaga, S.; Well, R.; Wrage-Mönnig, N.; Zaman, S.; Zhang, J.; Müller, C. (Cham : Springer, 2021)

Agricultural lands make up approximately 37% of the global land surface, and agriculture is a significant source of greenhouse gas (GHG) emissions, including carbon dioxide (CO2), methane (CH4) and nitrous oxide (N2O). ...
Conceptual design of operation strategies for hybrid electric aircraft

Hoelzen, Julian; Liu, Yaolong; Bensmann, Boris; Winnefeld, Christopher; Elham, Ali; Friedrichs, Jens; Hanke-Rauschenbach, Richard (Basel : MDPI AG, 2018)

Ambitious targets to reduce emissions caused by aviation in the light of an expected ongoing rise of the air transport demand in the future drive the research of propulsion systems with lower CO2 emissions. Regional hybrid ...
Functional coatings of sol-gel on glass substrate using CO2 laser irradiation

Wesang, K.; Von Witzendorff, P.; Hohnholz, A.; Suttmann, O.; Kaierle, S.; Overmeyer, L. (Amsterdam : Elsevier B.V., 2018)

Often Glass products achieve their component functionality only by a specific surface finishing, such as coating or patterning. Compared to vacuum based CVD and PVD coating techniques, the equipment for wet-chemical ...
Gas Component Transport Across the Soil-Atmosphere Interface for Gases of Different Density: Experiments and Modeling

Bahlmann, L.M.; Smits, K.M.; Heck, K.; Coltman, E.; Helmig, R.; Neuweiler, I. (Hoboken, NJ : Blackwell Publishing Ltd, 2020)

We investigate the influence of near-surface wind conditions on subsurface gas transport and on soil-atmosphere gas exchange for gases of different density. Results of a sand tank experiment are supported by a numerical ...
Great Location: About Effects of Surface Bound Neighboring Groups for Passive and Active Fine-Tuning of CO2 Adsorption Properties in Model Carbon Capture Materials

Klinkenberg, Nele; Kraft, Sophia; Polarz, Sebastian (Weinheim : Wiley-VCH, 2021)

Improved carbon capture materials are crucial for managing the CO2 level in the atmosphere. The past focus was on increasing adsorption capacities. It is widely known that controlling the heat of adsorption (ΔHads) is ...
High greenhouse gas emissions after grassland renewal on bog peat soil

Offermanns, Liv; Tiemeyer, Bärbel; Dettmann, Ullrich; Rüffer, Jeremy; Düvel, Dominik; Vogel, Isabelle; Brümmer, Christian (Amsterdam [u.a.] : Elsevier, 2023)

Drained agriculturally used peatlands are hotspots for greenhouse gas (GHG) emissions, especially carbon dioxide (CO2) and nitrous oxide (N2O). To reduce GHG emissions and simultaneously maintain intensive grassland use, ...
High-power laser welding of thick steel-aluminum dissimilar joints

Lahdo, Rabi; Springer, André; Pfeifer, Ronny; Kaierle, Stefan; Overmeyer, Ludger (Amsterdam : Elsevier B.V., 2016)

According to the Intergovernmental Panel on Climate Change (IPCC), a worldwide reduction of CO2-emissions is indispensable to avoid global warming. Besides the automotive sector, lightweight construction is also of high ...
How do sand addition, soil moisture and nutrient status influence greenhouse gas fluxes from drained organic soils?

Säurich, Annelle; Tiemeyer, Bärbel; Dettmann, Ullrich; Don, Axel (London : Elsevier Ltd., 2019)

Drainage turns peatlands from natural carbon sinks into hotspots of greenhouse gas (GHG)emissions from soils due to alterations in hydrological and biogeochemical processes. As a consequence of drainage-induced mineralisation ...
Kinetic modeling study on the combustion characterization of synthetic C3 and C4 alcohols for lean premixed prevaporized combustion

Nadiri, Solmaz; Zimmermann, Paul; Sane, Laxmi; Fernandes, Ravi; Dinkelacker, Friedrich; Shu, Bo (Basel : MDPI AG, 2021)

To reach sustainable aviation, one approach is to use electro-fuels (e-fuels) within the gas turbine engines. E-fuels are CO2-neutral synthetic fuels which are produced employing electrical energy generated from renewable ...
Microbial activity and biomass of peats in relation to the intrinsic organic matter composition, pH, moisture, and C and N inputs

Amde, Yosef Amha (Hannover : Gottfried Wilhelm Leibniz Universität Hannover, 2011)

[no abstract]
Neutron radiography for visualization of liquid metal processes: Bubbly flow for CO2 free production of Hydrogen and solidification processes in em field

Baake, E.; Fehling, T.; Musaeva, D.; Steinberg, T. (Bristol : Institute of Physics Publishing, 2017)

The paper describes the results of two experimental investigations aimed to extend the abilities of a neutron radiography to visualize two-phase processes in the electromagnetically (EM) driven melt flow. In the first ...
Role of the metal cation in the dehydration of the microporous metal–organic frameworks CPO-27-M

Rosnes, Mali H.; Pato-Doldán, Breogán; Johnsen, Rune E.; Mundstock, Alexander; Caro, Jürgen; Dietzel, Pascal D.C. (Amsterdam [u.a.] : Elsevier, 2020)

The dehydration of the CPO-27-M (M-MOF-74, M = Zn, Co, Ni, Mg, Mn, Cu) metal-organic framework series has been investigated comprehensively using in situ variable temperature powder X-ray diffraction (VT-PXRD) and thermal ...
Simulating personal carbon trading (Pct) with an agent-based model (abm): Investigating adaptive reduction rates and path dependence

Kothe, Anna-Katharina; Kuptel, Alexander; Seidl, Roman (Basel : MDPI AG, 2021)

A decade after the publication of seminal papers on personal carbon trading (PCT), few empirical studies on its implementation exist. Investigating how to design, set up and implement a PCT scheme for a community or country ...
Simulation and analysis of load shifting and energy saving potential of CO2-based demand-controlled ventilation in a sports training center

Heidar Esfehani, Hamidreza; Schäuble, Jakob; Paul, Elena; Bohne, Dirk (Bristol : Institute of Physics Publishing, 2019)

This paper aims to evaluate and characterize the impact of optimizing the operation of the HVAC system through maintaining dynamic CO2-based Demand-Controlled ventilation (DCV) on the electricity load profile and energy ...
Sulfur degassing at Erta Ale (Ethiopia) and Masaya (Nicaragua) volcanoes: Implications for degassing processes and oxygen fugacities of basaltic systems

De Moor, J.M.; Fischer, T.P.; Sharp, Z.D.; King, P.L.; Wilke, M.; Botcharnikov, Roman E.; Cottrell, E.; Zelenski, M.; Marty, B.; Klimm, K.; Rivard, C.; Ayalew, D.; Ramirez, C.; Kelley, K.A. (Hoboken, NJ : Blackwell Publishing Ltd, 2013)

We investigate the relationship between sulfur and oxygen fugacity at Erta Ale and Masaya volcanoes. Oxygen fugacity was assessed utilizing Fe 3+/ΣFe and major element compositions measured in olivine-hosted melt inclusions ...
Synthesis and Characterization of 40 wt % Ce0.9Pr0.1O2–δ–60 wt % NdxSr1−xFe0.9Cu0.1O3−δ Dual-Phase Membranes for Efficient Oxygen Separation

Chen, Guoxing; Zhao, Zhijun; Widenmeyer, Marc; Yan, Ruijuan; Wang, Ling; Feldhoff, Armin; Weidenkaff, Anke (Basel : MDPI AG, 2020)

Dense, H2- and CO2-resistant, oxygen-permeable 40 wt % Ce0.9Pr0.1O2–δ–60 wt % NdxSr1−xFe0.9Cu0.1O3−δdual-phase membranes were prepared in a one-pot process. These Nd-containing dual-phase membranes have up to 60% lower ...

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Auflistung nach Schlagwort "Carbon dioxide"

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