Since Katy The Waitress Became An Aviatress

https://digitalcommons.library.umaine.edu/mmb-vp/5966/thumbnail.jp

Test Validation of the Repair to the Space Station Solar Alpha Rotary Joint (SARJ)

The SARJ LITE (Lubrication Interval Test) test rig was built as a method to evaluate the performance of the grease repair on the Starboard SARJ of the International Space Station(ISS). The on-orbit SARJ was temporarily parked after receiving significant degradation on one of its race ring nitrided surfaces as a result of inadequate lubrication ( high dry contact friction) and unaccounted for roller traction kinematics. In a scaled down rig, flight like roller bearings were preloaded and cycled on a nitrided 15-5 race surface. Grease was added to the track and with instrumentation monitoring performance, trending data will be extracted and used to determine lubrication intervals for both Port and Starboard ISS SARJ's. The grease lubrication was found to be effective in eliminating the high friction that contributed to the on-orbit race degradation

NSU- LSMSA Makers Club: Advanced STEM Educational Modules and Enhanced Experiential Learning

This paper describes advanced educational activates of STEM makers club, which combines Northwestern State University (NSU) and The Louisiana School for Math, Science, and the Arts (LSMSA). The main objective of this Makers Club is to make students excited about STEM and to increase the number of students who are interested in STEM related careers. The newly founded club (NSU-LSMSA Makers Club) emphasizes innovation and hands-on experience for all participants. Furthermore, it promotes building a spirit of teamwork and sharping problem-solving skills. Different teaching modules have been developed and applied. The paper presents various structured activities reports experiential learning from its participants.Cockrell School of Engineerin

A novel assessment of delayed neutron detector data in CANDU reactors

A common opportunity for nuclear power plant operators is ensuring that routinely collected data is fully leveraged. Exploiting data analytics can enable improvements in anomaly detection and condition monitoring by identifying previously unseen data trends and correlations without major financial investment. One such opportunity is in facilitating the detection of fuel defects by augmenting the delayed neutron monitoring system deployed in the majority of CANDU reactors. In this paper we demonstrate using archive data that the detection of fuel defects can be accelerated using this system in combination with the use of a deeper historical dataset and the introduction of a smoothing algorithm. The current defect identification process relies on the analysis of data of high variance and is subject to the judgement of a domain expert, resulting in variable defect identification periods. The proposed approaches seek to mitigate this and alleviate the variable identification time. Initial results presented here show that for an initial batch of 30 defects, identification periods can be meaningfully reduced compared to the current process, with defects potentially visible an average of 11.4 days earlier. By shortening this identification period, fuel containing defects can be scheduled for earlier removal, reducing the risk of statutory shutdown obligations, protecting personnel and promoting industry best practice. Exploring a historical dataset identifies previously undocumented trends and we discuss the potential to produce correlations with other reactor parameters. The application of this knowledge can lead to opportunities in the use of machine learning algorithms and, ultimately, more accurate predictions

Harm Reduction Developments 2008: Countries With Injection-Driven HIV Epidemics

Examines trends in HIV cases among injecting drug users in Eastern Europe and Central Asia, and outlines OSI and its partners' efforts to reduce drug-related harms fueling HIV epidemics. Includes country analyses and descriptions of prevention services

Review: The Journal of Dramaturgy, volume 23, issue 1

Contents include: Editor\u27s Note; Dramaturgy and Risk in Pakistan; A conversation about The Process of Dramaturgy; Emancipating Dramaturgy: From Pedagogy to Psychagogy; Directing Like a Dramaturg: The Art of Being a Whale. Issue editors: Sydney Cheek-O\u27Donnell, Debra Cardona, Janine Sobeckhttps://soundideas.pugetsound.edu/lmdareview/1045/thumbnail.jp

Managing Technical Debt in Software Engineering

Sustainable and scalable software systems require careful consideration over the force known as technical debt, i.e., the additional project cost connected to sub-optimal technical decisions. However, the friction that software systems can accumulate is not connected to technical decisions alone, but reflects also organizational, social, ontological and management decisions that refer to the social nature and any connected social debt of software – this nature is yet to be fully elaborated and understood. In a joint industry & academia panel, we refined our understanding of the emerging notion of social debt in pursuit of a crisper definition. We observed that social debt is not only a prime cause for technical debt but is also tightly knit to many of the dimensions that were observed so far concerning technical debt, for example software architectures and their reflection on organizations. Also we observed that social debt reflects and weighs heavily on the human process behind software engineering, since it is caused by circumstances such as cognitive distance, (lack of or too much of) communication, misaligned architectures and organizational structures.The goal for social debt in the next few years of research should be to reach a crisp definition that contains the essential traits of social debt which can be refined into practical operationalizations for use by software engineering professionals in need of knowing more about their organizational structure and the properties/cost trade-off that structure currently reflects.</p

Concert recording 2013-11-19

[Track 01]. Western fanfare / Eric Ewazen -- [Track 02]. Little sketches / Ivan Elozovic -- [Track 03]. Preludium / Krysztof Penderecki -- [Track 04]. Abime des oiseaux from Quatour pour la fin du temps / Olivier Messiaen -- [Track 05]. Scherzino / Walter Hartley -- [Track 06]. Quintet for winds, no. 2. II ; [Track 07]. III / David Maslanka -- [Track 08]. String quartet, no. 3. III / Dmitri Shostakovich

Impact of high water pressure on oil generation and maturation in Kimmeridge Clay and Monterey source rocks: implications for petroleum retention and gas generation in shale gas systems

This study presents results for pyrolysis experiments conducted on immature Type II and IIs source rocks (Kimmeridge Clay, Dorset UK, and Monterey shale, California, USA respectively) to investigate the impact of high water pressure on source rock maturation and petroleum (oil and gas) generation. Using a 25 ml Hastalloy vessel, the source rocks were pyrolysed at low (180 and 245 bar) and high (500, 700 and 900 bar) water pressure hydrous conditions at 350 °C and 380 °C for between 6 and 24 h. For the Kimmeridge Clay (KCF) at 350 °C, Rock Eval HI of the pyrolysed rock residues were 30–44 mg/g higher between 6 h and 12 h at 900 bar than at 180 bar. Also at 350 °C for 24 h the gas, expelled oil, and vitrinite reflectance (VR) were all reduced by 46%, 61%, and 0.25% Ro respectively at 900 bar compared with 180 bar. At 380 °C the retardation effect of pressure on the KCF was less significant for gas generation. However, oil yield and VR were reduced by 47% and 0.3% Ro respectively, and Rock Eval HI was also higher by 28 mg/g at 900 bar compared with 245 bar at 12 h. The huge decrease in gas and oil yields and the VR observed with an increase in water pressure at 350 °C for 24 h and 380 °C for 12 h (maximum oil generation) were also observed for all other times and temperatures investigated for the KCF and the Monterey shale. This shows that high water pressure significantly retards petroleum generation and source rock maturation. The retardation of oil generation and expulsion resulted in significant amounts of bitumen and oil being retained in the rocks pyrolysed at high pressures, suggesting that pressure is a possible mechanism for retaining petroleum (bitumen and oil) in source rocks. This retention of petroleum within the rock provides a mechanism for oil-prone source rocks to become potential shale gas reservoirs. The implications from this study are that in geological basins, pressure, temperature and time will all exert significant control on the extent of petroleum generation and source rock maturation for Type II source rocks, and that the petroleum retained in the rocks at high pressures may explain in part why oil-prone source rocks contain the most prolific shale gas resources