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785 results for “Cooling”
Operating diagram of DR1/DR2 double riffle; it consists of two independent sections (DR1 and DR2), each containing 630 litres of water and measuring 2.5 x 0.6 m. Each section contains a filtration system separate from the fish, a cooling unit and an ultraviolet sterilizer. An 80 W UQL lamp completes the lighting of the module lit during the day. in Reproduction of Zingel asper (Linnaeus, 1758) in controlled conditions: an assessment of the experiences realized since 2005 at the Besançon Natural History Museum
Operating diagram of DR1/DR2 double riffle; it consists of two independent sections (DR1 and DR2), each containing 630 litres of water and measuring 2.5 x 0.6 m. Each section contains a filtration system separate from the fish, a cooling unit and an ultraviolet sterilizer. An 80 W UQL lamp completes the lighting of the module lit during the day.
Investigating the Unsteady Dynamics of a Multi-Jet Impingement Cooling Flow Using Large Eddy Simulation - Promotional Video and Image
<p>Video: Volume rendering of temperature field obtained from a large eddy simulation of 9 inline impinging jets in a narrow channel.</p> <p>Image: Turbulent structures as isosurface of Q-criterion with an illustration of laser sheet used for PIV measurement.</p> <p>The results were presented at the ASME Turbo Expo 2024 (paper number GT2024-122465) and published in the ASME Journal of Turbomachinery (<a href="https://doi.org/10.1115/1.4066508">https://doi.org/10.1115/1.4066508</a>). The accepted manuscript of the paper is available under <a href="https://elib.dlr.de/207257/">https://elib.dlr.de/207257/</a>.</p> <p>The simulations were performed on DLR's HPC system <a href="https://www.dlr.de/en/research-and-transfer/research-infrastructure/hpc-cluster/cara">CARA</a> within the DLR project InnoCool.</p>
Experimental X-ray Diffraction Data for "Cooling-Induced Order-Disorder Phase Transition in CsPbBr3 Nanocrystal Superlattices"
<p>Experimental X-ray diffraction data: </p> <p>-- temperature-dependent diffraction patterns (theta:2theta, rocking curves) for C18 and C8 CsPbBr3 nanocrystal superlattice samples;</p> <p>-- room temperature diffraction patterns (theta:2theta, rocking curves) for C6, C8, C10, C12, and C18 CsPbBr3 nanocrystal superlattices;</p> <p>in all files, first column is angle in degrees and the second column is intensity.</p>
Supporting information for: An assessment of monazite fission-track thermochronology as a proxy for low-magnitude cooling, Catalina-Rincon Metamorphic Core Complex, AZ, U.S.A.
<p><span>The following supporting information contains: The detailed location and age data for the geochronological, isotopic, and geochemical data used in this study, and their associated publications. Detailed thermochronometric data and associated thermal history modelling information for all thermochronology and modelling presented in the study.</span></p>
The excess of cool supergiants from contemporary stellar evolution models defies the metallicity-independent Humphreys-Davidson limit
<p>Input files and simulation results for stellar evolution tracks computed for the paper "The excess of cool supergiants from contemporary stellar evolution models defies the metallicity-independent Humphreys-Davidson limit", as well as synthetic populations generated and catalogues of observed cool supergiants in the Magellanic Clouds used in the analysis. Version 10398 of MESA was used for the simulations. More details in the README.txt file and in the paper.</p>
Data set: "North Atlantic cooling is slowing down mass loss of Icelandic glaciers"
<p>This data set includes the materials required to reproduce the figures and tables presented in the study: "North Atlantic cooling is slowing down mass loss of Icelandic glaciers". The data consist of:</p> <p>1. Maps of annual surface mass balance (SMB) of Icelandic glaciers and ice caps (ICL) from RACMO2.3 at 500 m spatial resolution in NetCDF format.</p> <ul> <li><strong>smb_rec.1958-2019.RACMO2.3-ERA.ICL-0.5km.YY.nc</strong>: annual cumulative SMB of Icelandic glaciers and ice caps (kg m<sup>-2</sup> or mm w.e. per year) from RACMO2.3 forced by ERA reanalyses for the period 1958-2019, and further statistically downscaled to 500 m spatial resolution. Forcing includes ERA-40 (1958-1978), ERA-Interim (1979-2018) and ERA5 (2019) reanalyses.</li> <li><strong>smb_rec.1958-2099.RACMO2.3-CESM2-SSP85.ICL-0.5km.YY.nc</strong>: annual cumulative SMB of Icelandic glaciers and ice caps (kg m<sup>-2</sup> or mm w.e. per year) from RACMO2.3 forced by CESM2 for the historical period 1958-2014 and by CESM2 under a high-end warming scenario SSP5-8.5 for the period 2015-2099, further statistically downscaled to 500 m spatial resolution.</li> <li><strong>Topo_icemask_lsm_lon_lat_ICL-0.5km.nc</strong>: mask file including an ice mask, land/sea mask and surface topography derived from the ArcticDEM, and longitude/latitude coordinates on the 500 m grid.</li> </ul> <p><strong>NB</strong>: the NetCDF files above use a Polar Stereographic North (EPSG:3413) projection with a horizontal resolution of 500 m x 500 m. The reference point is located at 45ºW longitude and 70ºN latitude.</p> <p>2. Time series of annual ICL-integrated SMB components (Gigatons or Gt per year), annual mean 2 m air temperature above Icelandic glaciers and ice caps (T2m; K), annual mean sea surface temperature (SST) in the Northern Blue Blob. These time series are available in ASCII format for the RACMO2.3 simulation forced by ERA reanalyses (1958-2019) and the RACMO2.3 projection forced by CESM2 under a high-end warming scenario SSP5-8.5 (1958-2099).</p> <p><strong>RACMO2.3-ERA</strong></p> <ul> <li><strong>SMB-components-RACMO2.3-ERA-1958-2019.txt</strong>: time series of annual integrated SMB, snowfall, rainfall, runoff, total melt, refreezing and retention (Gt per year) from the ERA-forced RACMO2.3 simulation (1958-2019).</li> <li><strong>T2m-glacier-RACMO2.3-ERA-1958-2019.txt</strong>: time series of annual mean glacier T2m and anomalies relative to the period 1958-1994 (K) from the ERA-forced RACMO2.3 simulation (1958-2019).</li> <li><strong>SST-Northern-Blue-Blob-RACMO2.3-ERA-1958-2019.txt</strong>: time series of annual mean Northern Blue Blob SST and anomalies relative to the period 1958-1994 (K) derived from the ERA reanalyses (1958-2019).The reanalyses include ERA-40 (1958-1978), ERA-Interim (1979-2018) and ERA5 (2019).</li> </ul> <p><strong>RACMO2.3-CESM2</strong></p> <ul> <li><strong>SMB-components-RACMO2.3-CESM2-SSP85-1958-2099.txt</strong>: time series of annual integrated SMB, snowfall, rainfall, runoff, total melt, refreezing and retention (Gt per year) from the CESM2-forced RACMO2.3 projection under a SSP5-8.5 scenario (1958-2099).</li> <li><strong>T2m-glacier-RACMO2.3-CESM2-SSP85-1958-2099.txt</strong>: time series of annual mean glacier T2m and anomalies relative to the period 1958-1994 (K) from the CESM2-forced RACMO2.3 projection under a SSP5-8.5 scenario (1958-2099).</li> <li><strong>SST-Northern-Blue-Blob-RACMO2.3-CESM2-SSP85-1958-2099.txt</strong>: time series of annual mean Northern Blue Blob SST and anomalies relative to the period 1958-1994 (K) derived from the CESM2 projection under a SSP5-8.5 scenario (1958-2099).</li> </ul> <p>3. Time series of monthly ICL-integrated SMB (Gt per month) for the period 1958-2099. </p> <ul> <li><strong>SMB-monthly-RACMO2.3-1958-2099.txt</strong>: time series of monthly integrated SMB (Gt per month) combining RACMO2.3-ERA (January 1958 - December 2019) with RACMO2.3-CESM2 under a SSP5-8.5 scenario (January 2020 - December 2099) at 500 m horizontal resolution.</li> </ul> <p>The daily downscaled SMB data sets from the ERA-forced RACMO2.3 simulation and the CESM2-forced RACMO2.3 projection under a SSP5-8.5 scenario are freely available from the authors upon request and without conditions (contact: b.p.y.noel@uu.nl). Besides SMB, the data sets include daily total precipitation (snow and rain), snowfall, total melt (snow and ice), runoff, refreezing and retention, total sublimation (surface and drifting snow), snow drift erosion, as well as 2 m air temperature at 500 m horizontal resolution. </p> <p><strong>Abstract</strong>: Icelandic glaciers have been losing mass since the Little Ice Age in the mid-to-late 1800s, with higher mass loss rates in the early 21<sup>st </sup>century, followed by a slowdown since 2011. As of yet, it remains unclear whether this mass loss slowdown will persist in the future. By reconstructing the contemporary (1958-2019) surface mass balance of Icelandic glaciers, we show that the post-2011 mass loss slowdown coincides with the development of the Blue Blob, an area of regional cooling in the North Atlantic Ocean to the south of Greenland. This regional cooling signal mitigates atmospheric warming in Iceland since 2011, in turn decreasing glacier mass loss through reduced meltwater runoff. In a future high-end warming scenario, North Atlantic cooling is projected to mitigate mass loss of Icelandic glaciers until the mid-2050s. High mass loss rates resume thereafter as the regional cooling signal weakens. </p>
Ground State Cooling of an Ultracoherent Electromechanical System
<p>This dataset corresponds to the processed data presented in our paper "Ground State Cooling of an Ultracoherent Electromechanical System", currently available as a preprint at https://arxiv.org/abs/2107.05552</p> <p>The dataset is composed of 10 json files comprising the data for each figure of the main texte and the supplementary information, as well as a Jupyter notebook comprising 10 cells, each for plotting a figure of the main text or the supplementary information of the manuscript from the provided json files. A comment at the beginning of the cell indicates which figure will be plotted.</p>
Data generated by the model presented in the research article entitled "Simulation of mass and heat transfer in an evaporatively cooled PEM fuel cell"
<p>This repository provides all the data and scripts necessary to reproduce the line plots shown in the manuscript entitled "Simulation of mass and heat transfer in an evaporatively cooled PEM fuel cell".</p>
Seasonal analysis comparison of three air-cooling systems in terms of thermal comfort, air quality and energy consumption for school buildings in Mediterranean climates
<p>Efficient air-cooling systems for hot climatic conditions, such as Southern Europe, are required in the context of nearly Zero Energy Buildings, nZEB. Innovative air-cooling systems such as regenerative indirect evaporative coolers, RIEC and desiccant regenerative indirect evaporative coolers, DRIEC, can be considered an interesting alternative to direct expansion air-cooling systems, DX. The main aim of the present work was to evaluate the seasonal performance of three air-cooling systems in terms of air quality, thermal comfort and energy consumption in a standard classroom. Several annual energy simulations were carried out to evaluate these indexes for four different climate zones in the Mediterranean area. The simulations were carried out with empirically validated models. The results showed that DRIEC and DX improved by 29.8% and 14.6% over RIEC regarding thermal comfort, for the warmest climatic conditions, Lampedusa and Seville. However, DX showed an energy consumption three and four times higher than DRIEC for these climatic conditions, respectively. RIEC provided the highest percentage of hours with favorable indoor air quality for all climate zones, between 46.3% and 67.5%. Therefore, the air-cooling systems DRIEC and RIEC have a significant potential to reduce energy consumption, achieving the user’s thermal comfort and improving indoor air quality.</p>
Code-to-code SIMMER/FRENETIC comparison for the neutronic simulation of lead-cooled fast reactors (dataset)
<p>Dataset in support of publication "Code-to-code SIMMER/FRENETIC comparison for the neutronic simulation of lead-cooled fast reactors". README.txt has been written in compliance with the Dublin Core Standard for metadata, https://dublincore.org/.</p>
Clumped-isotope constraint on upper-tropospheric cooling during the Last Glacial Maximum
<p>Ice cores and other paleotemperature proxies, together with general circulation models, have provided information on past surface temperatures and the atmosphere's composition in different climates. Little is known, however, about past temperatures at high altitudes, which play a crucial role in Earth's radiative energy budget. Paleoclimate records at high-altitude sites are sparse, and the few that are available show poor agreement with climate model predictions. These disagreements could be due to insufficient spatial coverage, spatiotemporal biases, or model physics; new records that can mitigate or avoid these uncertainties are needed. Here, we constrain the change in upper-tropospheric temperature at the global scale during the Last Glacial Maximum (LGM) using the clumped-isotope composition of molecular oxygen trapped in polar ice cores. Aided by global three-dimensional chemical transport modeling, we exploit the intrinsic temperature sensitivity of the clumped-isotope composition of atmospheric oxygen to infer that the upper troposphere (effective mean altitude 10 – 11 km) was 6-9ºC cooler during the LGM than during the late preindustrial Holocene. A complementary energy balance approach supports a minor or negligible steepening of atmospheric lapse rates during the LGM, which is consistent with a range of climate model simulations. Proxy-model disagreements with other high-altitude records may stem from inaccuracies in regional hydroclimate simulation, possibly related to land-atmosphere feedbacks.</p>
FIG. 16. — A-F, Chazydictya ornata n in A cool-water bryozoan association from the La Pola Formation (Sandbian, Ordovician) of Argentine Precordillera
FIG. 16. — A-F, Chazydictya ornata n. sp., holotype CEGH-UNC 27535 a: A, B, branch transverse thin section showing autozooecial chambers and mesotheca without rods; C, branch transverse thin section showing autozooecial walls with paurostyles; D, E, tangential thin section showing autozooecial apertures and paurostyles; branch transverse thin section showing autozooecial mesotheca without rods; G, Parachasmatopora sp. A, tangential section showing reticulate colony, CEGH-UNC 27526 a. Scale bars: A, G, 0.5 mm; B, D, 0.2 mm; C, E, F, 0.1 mm.
FIG. 15. — A-H, Pseudostictoporella simplex n in A cool-water bryozoan association from the La Pola Formation (Sandbian, Ordovician) of Argentine Precordillera
FIG. 15. — A-H, Pseudostictoporella simplex n. sp.: A-E, branch tangential section showing autozooecial chambers and apertures, holotype CEGH-UNC 27508 a; F, branch longitudinal thin section autozooecial chambers, paratype CEGH-UNC 27533 a; G, H, branch transverse thin section showing autozooecial chambers and mesotheca without rods, paratype CEGH-UNC 27533 d. Scale bars: A, 1 mm; B, C, 0.5 mm; D-H, 0.2 mm.
FIG. 17. — A-E in A cool-water bryozoan association from the La Pola Formation (Sandbian, Ordovician) of Argentine Precordillera
FIG. 17. — A-E, Parachasmatopora sp. A: A-C, tangential section showing branches with autozooecial apertures and chambers, CEGH-UNC 27526 a; D, branch transverse section showing autozooecial chambers and laminated skeleton, CEGH-UNC 27545 a; E, branch longitudinal section showing autozooecial chambers with diaphragms and laminated skeleton, CEGH-UNC 27545 b. Scale bars: A, D, E, 0.5 mm; B, C, 0.2 mm.
FIG. 13. — A-F, Nicholsonella spinigera n in A cool-water bryozoan association from the La Pola Formation (Sandbian, Ordovician) of Argentine Precordillera
FIG. 13. — A-F, Nicholsonella spinigera n. sp.: A, B, tangential thin section showing autozooecial apertures, mesozooecia, and acanthostyles, holotype CEGH- UNC 27528 c; C, longitudinal thin section showing autozooecial chambers with diaphragms, holotype CEGH-UNC 27528 b; D, E, branch transverse thin section showing autozooecial chambers with diaphragms and mesozooecia, paratype CEGH-UNC 27538 a; F, branch transverse thin section showing autozooecial chambers and acanthostyles in endozone, paratype CEGH-UNC 27538 a; G-I. Arthroclema sp. A: G, H, branch transverse thin section showing autozooecial chambers, CEGH-UNC 27520 d; I, branch oblique thin section, CEGH-UNC 27529 b. Scale bars: A, E, I, 0.5 mm; B, C, F, G, 0.2 mm; D, 1 mm; H, 0.1 mm.
FIG. 14. — A-C in A cool-water bryozoan association from the La Pola Formation (Sandbian, Ordovician) of Argentine Precordillera
FIG. 14. — A-C, Arthroclema sp. A: A, branch oblique thin section,CEGH-UNC 27530 e; B, C, tangential thin section showing autozooecial apertures and paurostyles, CEGH-UNC 27529 b; D-H, Trigonodictya elegans (Ulrich, 1893): D, E, tangential thin section showing autozooecial apertures, CEGH-UNC 27530 c; F-H, branch transverse thin section showing autozooecial chambers and mesotheca with rods, CEGH-UNC 27542 b. Scale bars: A, B, E, G, 0.5 mm; C, H, 0.2 mm; D, F, 1 mm.
FIG. 18 in A cool-water bryozoan association from the La Pola Formation (Sandbian, Ordovician) of Argentine Precordillera
FIG. 18. — Cluster diagram (A) and principal coordinate analysis (B) showing similarities between bryozoan faunas (genus level) of different areas during the Sandbian (updated data matrix from Buttler et al. 2013). The cluster analysis has been performed measuring the Jaccard similarity coefficient, using the Unweighted Pair Group Algorithm with Arithmetic Mean (PAST version 1.81, Hammer et al. 2001). The principal coordinate analysis was performed using Jaccard's coefficient for measurement of similarities, the minimal spanning tree is based on an Euclidean distance measure of the original data points. Abbreviations: Lpo, La Pola Formation; LA, Las Aguaditas Formation; LPL, Las Plantas Formation; NA, North America; Bal, Baltica; Bel, Belarus; Sib, Siberia.
FIG. 11. — A in A cool-water bryozoan association from the La Pola Formation (Sandbian, Ordovician) of Argentine Precordillera
FIG. 11. — A, Tarphophragma macrostoma (Loeblich, 1942), branch transverse thin section, CEGH-UNC 27539 a; B-E, Jordanopora heroensis Ross, 1963: B, C, oblique thin section trough the colony showing autozooecial chambers, CEGH-UNC 27530 f; D, E, tangential thin section showing autozooecial apertures, rare mesozooecia, and tubules in autozooecial walls, CEGH-UNC 27530 e; F, G, Argentinopora robusta n. gen., n. sp., holotype 27511 c, longitudinal section showing autozooecial chambers, mesozooecia, and acanthostyles. Scale bars: A, B, F, G, 1 mm; C, D, 0.5 mm; E, 0.2 mm.
FIG. 12. — A-F. Argentinopora robusta n. gen., n in A cool-water bryozoan association from the La Pola Formation (Sandbian, Ordovician) of Argentine Precordillera
FIG. 12. — A-F. Argentinopora robusta n. gen., n. sp.: A, B, longitudinal thin section showing autozooecial chambers with a cystiphragm, mesozooecia, acanthostyles, holotype CEGH-UNC 27511 a; C, tangential thin section showing autozooecial apertures, mesozooecia, and acanthostyles, holotype CEGH-UNC 27511 d; D, branch transverse section, paratype CEGH-UNC 27514 b; E, F, tangential thin section showing autozooecial apertures, mesozooecia, and acanthostyles, paratype CEGH-UNC 27514 c; G, H, Nicholsonella spinigera n. sp., branch longitudinal section showing autozooecial chambers with diaphragms, holotype CEGH-UNC 27528 c. Scale bars: A, D, G, 1 mm; B, F, 0.2 mm; C, E, H, 0.5 mm.
FIG. 10. — A-D in A cool-water bryozoan association from the La Pola Formation (Sandbian, Ordovician) of Argentine Precordillera
FIG. 10. — A-D, Diplotrypa sp. A, CEGH-UNC 27543 a: A, B, longitudinal section showing autozooecial chambers with diaphragms and mesozooecia; C, D, tangential thin section showing autozooecial apertures and mesozooecia; E-G, Tarphophragma macrostoma (Loeblich, 1942), CEGH-UNC 27520 d: E, oblique section through the colony; F, longitudinal section showing autozooecial chambers and mesozooecia; G, tangential thin section showing autozooecial apertures and mesozooecia. Scale bars: A, E, 1 mm; B, C, F, G, 0.5 mm; D, 0.2 mm.
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