170,059 research outputs found
Mapping urban diversity: Vernacular, modernist and contemporary Matera
No full textThis thesis takes the Southern Italian city of Matera as a case study to analyse the role urban diversity plays in the growth of cities. The analysis focuses on tracking changes in intensity and distribution of urban diversity in representative moments of Matera’s development, from the expansion of the vernacular neighbourhood of the Sassi with the 1950s introduction of modernist architecture, through the present-day. Whilst the historic center of the city, dating back to the Neolithic, has experienced remarkable economic growth and continues to thrive under the impulse of international recognition, the more peripheral modernist neighbourhoods are in decline, despite their widely acknowledged architectural and cultural value. Provided as a political answer to the lack of suitable and affordable housing after World War II, these often forgotten neighbourhoods are representative of the Italian re-construction efforts, guided by Adriano Olivetti’s Community Movement and designed by a team of architects, lead by Ludovico Quaroni and Luigi Piccinato, under the theoretical framework of Friedrich G. Friedmann. Initially intended to recreate the forms of aggregations and social ties of the Sassi in modern forms of living, neighbourhoods such as La Martella, Borgo Venusio and Spine Bianche have experienced progressive decline, whilst the historic center of Matera has been object of public investment and continues to be a sought destination. This research will enquire the role urban diversity has played in this discrepancy in order to derive conclusions that might inform present and future urban planning policies. The Diversity Index Method developed by Dan C. Baciu and Callum Birchall (Baciu, Birchall, 2021) applied to primary historic records will be used alongside secondary literature to analyse the different urban configurations to find patterns that lead to urban density or isolation. The preliminary argument is that diversity of both building uses and outdoor public infrastructure leads to growth and urban vitality, whereas mono-functional developments lead to isolation and decline.AR2A011Architectural History ThesisArchitecture, Urbanism and Building Science
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Chicago Schools: Authors, Audiences, and History
No full textThis 2019 volume of Prometheus (the journal of the PhD Program at IIT's College of Architecture) was awarded the 2020 Haskell prize. The volume is dedicated to the Chicago school. It came out of a same-named, peer-reviewed conference, and it was edited by Dan C. Baciu, postdoctoral scholar and lecturer at University of California, Santa Barbara.
Causal models, creativity, & diversity. Video.
No full textare the subtitles and film stills from
the video Causal Models, Creativity, & Diversity, by Dan C. Baciu, accessible here: https://bit.ly/causal-model
Copy me!
No full textThis article is an introduction to and press review of the theory of cultural life developed by Dan C. Baciu and laid down in his research article "Cultural life: Theory and empirical testing" (BioSystems, 2020, 197.104208)
Geofluids and natural gas in Romania, and the 10th International Conference on Gas Geochemistry
No full textThis thematic issue of Geofluids includes 11 papers representing the three main topics discussed in the 10th edition
of the International Conference on Gas Geochemistry (ICGG-10): (i) gas in petroleum systems and seepage,
(ii) gas in geothermal systems and volcanoes and (iii) gas, seismicity and geohazards. ICGG-10 was held in 2009
in Romania, a country extraordinarily rich in surface gas manifestations, that offers innumerable opportunities for
innovative studies on gas geochemistry. We briefly describe the present knowledge on gases occurring both in
petroliferous sedimentary basins and geothermal areas of Romania. The 11 contributions of this special issue,
which include data from eight countries, are then summarised. Based on these papers and other works presented
at the ICGG-10, we find that significant advances in analytical capabilities, data treating and interpretation have
led to innovative insights into the origin, distribution and environmental impact of gases migrating to the Earth’s
surface. It is increasingly clear, in particular, that gas geochemistry can be more effective for petroleum exploration,
volcano-tectonic, geodynamic and environmental studies, if multiparametric studies are performed and the
data are interpreted in the geological context.Published457-4624.5. Studi sul degassamento naturale e sui gas petroliferiJCR Journalrestricte
Creating Linked Data from Books and Magazines
No full textCreating Linked Data from Books and Magazines, Dan C. Baciu Printed books and magazines come without hyperlinks, but much of the textual content stored in books from any period of time and publicized in any format can be enhanced to contain hyperlinks. Over the last five years, Dan C. Baciu has worked with his students and collaborators at TU Delft, UC Santa Barbara, Illinois Tech, and HathiTrust Research Center to do this. The benefits of this approach go beyond the inclusion of any imaginable piece of text into larger collections of linked data. Baciu et al. also designed digital tools to comprehensively map textual data and analyse the textual content for historical information from different periods of time. These new methods for mapping and historical analysis are published in the annex of the presenter's peer-reviewed article "Cultural Life" (Biosystems 104208). In this presentation, he will speak about the potential impact that the newly created possibilities and their further development will have on libraries
Is "cultural life" a form of life?
No full textThis article is an introduction to and press review of the theory of cultural life developed by Dan C. Baciu and laid down in his research article "Cultural life: Theory and empirical testing" (BioSystems, 2020, 197.104208). The article was written for the magazine "Igloo.
Ultrasonic Non-Destructive Evaluation of AlSiC Metal Matrix Composite Experimental Heat Pipe Module
No full textAn advanced ultrasonic non-destructive evaluation technique based on the detection and analysis of full ultrasonic waveforms was applied to an experimental heat pipe module made of an innovative AlSiC metal matrix composite. The prototype heat pipe module was subjected to 80 hours of thermal fatigue tests between -40 °C and +125 °C with 45 min permanence at each temeprature, The scope of the work is the identification of possible delamination damage at the joints between the different material tubes and the AlSiC MMM base plate
Extreme methane deuterium, nitrogen and helium enrichment in natural gas from the Homorod seep (Romania)
No full textMethane (CH4) in terrestrial environments, whether microbial, thermogenic, or abiogenic, exhibits a large variance in C and H stable isotope ratios due to primary processes of formation. Isotopic variability can be broadened through secondary, post-genetic processes, such as mixing and isotopic fractionation by oxidation.
The highest and lowest 13C and 2H (or D, deuterium) concentrations in CH4 found in various geologic environments to date, are defined as “natural” terrestrial extremes. We have discovered a new extreme in a
natural gas seep with values of deuterium concentrations, δDCH4, up to+124‰that far exceed those reported for any terrestrial gas. The gas, seeping from the small Homorod mud volcano in Transylvania (Romania), also
has extremely high concentrations of nitrogen (N92 vol.%) and helium (up to 1.4 vol.%). Carbon isotopes in CH4, C2H6 and CO2, and nitrogen isotopes in N2 indicate a primary organic sedimentary origin for the gas
(a minor mantle component is suggested by the 3He/4He ratio, R/Ra~0.39). Both thermogenic gas formation
modeling and Rayleigh fractionation modeling suggest that the extreme deuterium enrichment could be
explained by an oxidation process characterised by a δDCH4 and δ13CCH4 enrichment ratio (ΔH/ΔC) of about 20,
and may be accounted for by abiogenic oxidation mediated by metal oxides. All favourable conditions for such a process exist in the Homorod area, where increased heat flow during Pliocene–Quaternary volcanism may have played a key role. Finally we observed rapid variations (within 1 h) in C and H isotope ratios of CH4, and
in the H2S concentrations which are likely caused by mixing of the deep oxidized CH4–N2–H2S–He rich gas with a microbial methane generated in the mud pool of one of the seeps.
We hypothesize that the unusual features of Homorod gas can be the result of a rare combination of factors induced by the proximity of sedimentary organic matter, mafic, metal-rich volcanic rocks and salt diapirs,leading to the following processes: a) primary thermogenic generation of gas at temperatures between 130 and 175 °C; b) secondary alteration through abiogenic oxidation, likely triggered by the Neogene–Quaternary volcanism of the eastern Transylvanian margin; and c) mixing at the surface with microbial methane that
formed through fermentation in the mud volcano water pool. The Homorod gas seep is a rare example that demonstrates how post-genetic processes can produce extreme gas isotope signatures (thus far only
theorized), and that extremely positive δDCH4 values cannot be used to unambiguously distinguish between biotic and abiotic origin.Published89-964.5. Studi sul degassamento naturale e sui gas petroliferiJCR Journalreserve
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