Relevant bibliographies by topics / Columbia University. Hispanic Institute

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  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Columbia University. Hispanic Institute'

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Published: 1 March 2023

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Journal articles on the topic "Columbia University. Hispanic Institute"

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Gonzalez, Kevin, Wassim Tarraf, Ariana Stickel, et al. "0324 sleep duration and brain MRI biomarkers: results from SOL-INCA MRI study." Sleep 45, Supplement_1 (2022): A146. http://dx.doi.org/10.1093/sleep/zsac079.322.

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Abstract Introduction Long and short sleep have been associated with stroke and dementia. Sleep patterns may differ by sex and Hispanic/Latino background. Within Hispanics/Latinos heterogeneity in sleep outcomes exists and is understudied. The purpose of this study was to examine associations between sleep duration and MRI biomarkers of brain health. Methods SOL-Investigation of Neurocognitive Aging (SOL-INCA) MRI study is an ongoing ancillary study of the Hispanic Community Health Study/Study of Latinos (HCHS/SOL). Our analytic sample consisted of 1,103 adults 50-years and older from diverse Hispanics/Latino backgrounds that completed baseline sleep assessments (2008-2011) and underwent neuroimaging (2018-ongoing; Mean age 64 ±6.9 years). The main exposures were baseline self-reported average nightly sleep duration. Outcomes included brain volume measures residualized for cranial volume (e.g. total brain, hippocampal, and white matter hyperintensities). Brain outcomes were modeled, using regression techniques, as a function of sleep duration and adjusting for age, sex, education, Hispanic/Latino background, language use, self-reported cardiovascular events, BMI, depressive symptoms, Apena/Hypopena index and self-reported sleep quality. Results Mean sleep duration was 7.7 ± 1.36 hours, and 13.2% reported sleeping >9 hours. Increasing sleep duration was associated with smaller total brain (Btotal_brain -1.32 [-2.33 ; -0.32], p<0.05) per hour increment and larger lateral ventricle volumes (Blateral_ventricle=0.02 [~0.00; 0.04], p<0.05) after adjusting for sociodemographic, behavioral, cardio-vascular and sleep quality characteristics. The associations were not modified by sex or Hispanic/Latino background. Conclusion We found that increments in sleep duration was associated with lower total brain volume and larger ventricle size, MRI measures that could associate with increased dementia-risk in diverse Hispanic/Latino adults. Support (If Any) This work is supported by National Institute on Aging (R01AG048642, RF1AG054548, and R01AG063868) and by the National Heart Lung Blood Institute (R01HL098297). Dr. González also receives additional support from P30AG59299. The Hispanic Community Health Study/Study of Latinos was carried out as a collaborative study supported by contracts from the National Heart, Lung, and Blood Institute (NHLBI) to the University of North Carolina (N01-philip glass beck HC65233), University of Miami (N01-HC65234), Albert Einstein College of Medicine (N01-HC65235), Northwestern University (N01-HC65236), and San Diego State University (N01-HC65237). The following Institutes/Centers/Offices contribute to the HCHS/SOL through a transfer of funds to the NHLBI: National Institute on Minority Health and Health Disparities, National Institute on Deafness and Other Communication Disorders, National Institute of Dental and Craniofacial Research, National Institute of Diabetes and Digestive and Kidney Diseases, National Institute of Neurological Disorders and Stroke, NIH Institution-Office of Dietary Supplements.
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Ramos, Alberto, Kevin Gonzalez, Wassim Tarraf, et al. "0322 sleep disordered breathing and MRI makers of brain aging in the Hispanic Community Health Study/Study of Latinos." Sleep 45, Supplement_1 (2022): A145. http://dx.doi.org/10.1093/sleep/zsac079.320.

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Abstract Introduction We aim to determine if white matter hyperintensities and decreased brain volumes are associated with sleep-disordered breathing (SDB), in a diverse sample of middle-aged and older Hispanic/Latino adults. Methods Our sample of 1,119 Hispanics/Latinos (ages older than 50-years; 70% female) from the Hispanic Community Health Study/Study of Latinos (HCHS/SOL) underwent brain magnetic resonance imaging (MRI) as part of the Study of Latinos - Investigation of Neurocognitive Aging MRI (SOL-INCA MRI) ancillary study. MRI outcomes of interest included global (gray matter, total brain) and regional (lobar cortices, hippocampus) brain volumes, lateral ventricle volume, and total white matter hyperintensity (WMH) volume. All MRI measures were residualized for total cranial volume. Our main exposure was visit-1 sleep data (2008-2011), which includes information about SDB defined with the respiratory event index 3% (REI), ≥5 and ≥15 (moderate-severe SDB) identified by home-sleep apnea test. Survey linear regression models to assess the association between sleep measures and MRI outcomes adjusted for age, sex, education, Hispanic/Latino background, body mass index, tobacco use, alcohol consumption, and physical activity factors and accounted for HCHS/SOL complex study design. We tested for effect modifications by age, sex and Hispanic/Latino background. Results Mean age was 63.9±7.0 years. Adjusting for age, sex, and education, individuals with a REI ≥15 (vs. <5) had decrements in total brain volume (Btotal=-6.115[-10.19 ; -2.04]; p<0.01), total gray matter volume(B= -3.702 [-6.7 ; -0.7]; p<0.05), and frontal cortical gray matter volume (B= -1.844[-3.48; -0.21]; p<0.05), and increments in hippocampal volume β= 0.138[0.04; 0.23]; p<0.01). The associations persisted after adjustment for Hispanic/Latino background and behavioral risk factors. Older age modified associations between the REI and age and total brain volumes (Bage*REI=-0.019[-0.04 ;~0.00]; p<0.05). There was no consistent evidence for effect moderation by sex or Hispanic/Latino background. Conclusion In a diverse sample of Hispanic/Latinos, moderate-severe SDB was associated with decreased total brain volumes and increments in hippocampal volumes. Our findings suggest that SDB related neuroimaging markers of brain health could serve to identify Hispanic/Latino participants with sleep related Alzheimer’s disease and related dementia risk. Support (If Any) This work is supported by National Institute on Aging (R01AG048642, RF1AG054548, and R01AG063868) and by the National Heart Lung Blood Institute (R01HL098297). Dr. González also receives additional support from P30AG59299. The Hispanic Community Health Study/Study of Latinos was carried out as a collaborative study supported by contracts from the National Heart, Lung, and Blood Institute (NHLBI) to the University of North Carolina (N01-philip glass beck HC65233), University of Miami (N01-HC65234), Albert Einstein College of Medicine (N01-HC65235), Northwestern University (N01-HC65236), and San Diego State University (N01-HC65237). The following Institutes/Centers/Offices contribute to the HCHS/SOL through a transfer of funds to the NHLBI: National Institute on Minority Health and Health Disparities, National Institute on Deafness and Other Communication Disorders, National Institute of Dental and Craniofacial Research, National Institute of Diabetes and Digestive and Kidney Diseases, National Institute of Neurological Disorders and Stroke, NIH Institution-Office of Dietary Supplements.
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Summer, Susan Cook. "The Soviet Nationalities Collection at Columbia University." Slavic Review 46, no. 2 (1987): 292–93. http://dx.doi.org/10.1017/s0037677900067231.

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The Soviet Nationalities Collection at Columbia University is one of the largest and most varied collections of its kind in the nation. Established in the 1960s, it now numbers more than 15,000 volumes in forty-seven different languages from the Altaic, Transcaucasian, Uralic, Paleo-Siberian, and Indo-European language groups. It grows at a rate of about 500 books a year.The collection supports instruction and research in fields including language and literature, political science, economics, history, folklore, religion and philosophy, and the arts. Although not cataloged until recently, the collection has long been used by scholars from research centers at Columbia, such as the Harriman Institute for the Advanced Study of the Soviet Union, the Center for the Study of Central Asia, the Program on Soviet Nationality Problems, and the Department of Slavic Languages. Its reputation growing by word-of-mouth, the collection has also attracted visiting scholars and requests through interlibrary loan.
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Keenan, Jesse M. ":Climate Change Adaptation: An Earth Institute Sustainability Primer. Columbia University Earth Institute Sustainability Primers." Quarterly Review of Biology 97, no. 4 (2022): 316–17. http://dx.doi.org/10.1086/722645.

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Zvegintseva, Irina Anatolyevna. "James Mangold is “a jewel of a man” in American Cinema." Journal of Flm Arts and Film Studies 6, no. 4 (2014): 110–12. http://dx.doi.org/10.17816/vgik64110-112.

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Barst, Robin J., Jeffrey R. Fineman, Michael A. Gatzoulis, and Richard A. Krasuski. "Pulmonary Arterial Hypertension in Adults with Congenital Heart Disease." Advances in Pulmonary Hypertension 6, no. 3 (2007): 142–48. http://dx.doi.org/10.21693/1933-088x-6.3.142.

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This discussion was moderated by Robyn J. Barst, MD, Professor of Pediatrics, Divisions of Pediatric Cardiology at Columbia University College of Physicians and Surgeons and Cornell Medical Center, and Director of New York Presbyterian Pulmonary Hypertension Center at Columbia University Medical Center, New York, New York. Panel members included Jeffrey R. Fineman, MD, Pediatric Critical Care Specialist and Associate Investigator of the Cardiovascular Research Institute, University of California, San Francisco; John Granton, MD, Assistant Professor of Medicine, University of Toronto, Pulmonary Arterial Hypertension Programme, University Health Network, Toronto, Ontario; Michael A. Gatzoulis, MD, PhD, Professor of Cardiology, Congenital Heart Disease, and Consultant Cardiologist and Director of the Adult Congenital Heart Centre at the Royal Brompton Hospital and the National Heart and Lung Institute, Imperial College School of Medicine, London, UK; and Richard A. Krasuski, MD, Director of Adult Congenital Heart Disease Services, Department of Cardiovascular Medicine, Cleveland Clinic, Cleveland, Ohio.
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Palmer, Kingsley. "Comparing the Policy of Aboriginal Assimilation, by Andrew Armitage; Vancouver, BC: University of British Columbia Press, 1995." Journal of Political Ecology 2, no. 1 (1995): 21. http://dx.doi.org/10.2458/v2i1.20169.

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Comparing the Policy of Aboriginal Assimilation, by Andrew Armitage; Vancouver, BC: University of British Columbia Press, 1995. xiii + 286 pp. Reviewed by Kingsley Palmer, Deputy Principal, Australian Institute for Aboriginal and Torres Strait Islander Studies, Canberra, Australia.
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Walsh, Julie, and Julie Walsh. "Oliver Sacks." Exchanges: The Interdisciplinary Research Journal 1, no. 1 (2013): 1–11. http://dx.doi.org/10.31273/eirj.v1i1.69.

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Renowned neurologist and author Dr Oliver Sacks is a visiting professor at the University of Warwick as part of the Institute of Advanced Study. Dr Sacks was born in London. He earned his medical degree at the University of Oxford (Queen’s College) and the Middlesex Hospital (now UCL), followed by residencies and fellowships at Mt. Zion Hospital in San Francisco and at University of California Los Angeles (UCLA). As well as authoring best-selling books such as Awakenings and The Man Who Mistook His Wife for a Hat, he is clinical professor of neurology at NYU Langone Medical Center in New York. Warwick is part of a consortium led by New York University which is building an applied science research institute, the Center for Urban Science and Progress (CUSP). Dr Sacks recently completed a five-year residency at Columbia University in New York, where he was professor of neurology and psychiatry. He also held the title of Columbia University Artist, in recognition of his contributions to the arts as well as to medicine. He is a fellow of the Royal College of Physicians and the Association of British Neurologists, the American Academy of Arts and Sciences, and the American Academy of Arts and Letters, and has been a fellow of the New York Institute for the Humanities at NYU for more than 25 years. In 2008, he was appointed CBE.
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Tokarska-Bakir, Joanna. "Go native. Debaty o książce Timothy Snydera." Studia Litteraria et Historica, no. 1 (December 31, 2012): 1–14. http://dx.doi.org/10.11649/slh.2012.009.

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Go native. Debates on a book by Timothy Snyder This article debates the content of the latest issue of “Contemporary European History” from 2012 (vol. 21, no. 2) dedicated to Timothy Snyder’s book Bloodlands. The debate includes contributions by: Mark Mazower (Columbia University), Dan Diner (Hebrew University/Simon-Dubnow-Institute Leipzig), Thomas Kühne (Clark University) and Jörg Baberowski (Humboldt University). Timothy Snyder reacts to their comments in an extensive essay.
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Free, David. "News from the Field." College & Research Libraries News 81, no. 10 (2020): 474. http://dx.doi.org/10.5860/crln.81.10.474.

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Rochester Institute of Technology preserves Hebrew wood typeChoice launches redesigned Choice360.org websiteLYRASIS, Columbia University Libraries announce Virtual Copyright Education Center pilot projectSpringshare launches Pickup Manager toolPoetry London launches digital archiveProject MUSE adds seven journal titlesBrill ebooks now available through OASIS, Rialto marketplaces
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Dissertations / Theses on the topic "Columbia University. Hispanic Institute"

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Gaber, Devron Alexander 1952. "Provincial coordination and inter-institutional collaboration in British Columbia's college, university college, and institute system." Thesis, 2002. http://hdl.handle.net/1957/31102.

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The purpose of this study was to better understand the historical development of the British Columbia (B.C.) community college, university college, and institute system with the focus on the changing nature of voluntary inter-institutional collaboration in relation to provincial coordination. The study also examined the related themes of centralization and decentralization within B.C.'s system and the development of a provincial system of autonomous institutions. The methodology used was qualitative, and more specifically, interpretive in nature and based on the historical method and the underlying assumptions of hermeneutics. The researcher began by analyzing pertinent primary and secondary sources of literature in relation to the study's purpose. The findings from the literature analysis formed the basis for interview questions that were asked of 10 key informants to fill gaps in understanding and confirm findings. The study found that the B.C. system began as a decentralized group of autonomous, community-oriented institutions but became more centrally coordinated by government in the late 1970s and early 1980s, largely because of increased costs and a worsening economy. The 1990s witnessed a high level of centralized decision making with stakeholder involvement, which has been replaced by a move towards decentralization and greater institutional autonomy in the early 2000s based on the market ideology of the new government. Throughout the decades, the B.C. system has had a history of voluntary collaboration but that collaboration has been gradually blended over time with provincial coordination as government built a system of autonomous institutions. The main conclusions of the study are that an appropriate balance may be achievable between centralization and decentralization in order to maintain a coherent system of accountable, autonomous institutions but would need systematic efforts by government and institutions and a policy framework for system governance. Such a balance may be achieved by learning from the lessons of B.C.'s rich history and from the experiences of other jurisdictions. To achieve system goals, the Ministry and institutions could build on the history of voluntary collaborative efforts, which seem particularly important among educators at the program level. The Ministry might reward such collaboration and hold institutions accountable for it.<br>Graduation date: 2003
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Books on the topic "Columbia University. Hispanic Institute"

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Columbia, British, ed. Environmental guidelines: British Columbia university, college & institute facilities. Province of British Columbia], 1995.

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Suzette, Heiman, ed. The J school: Celebrating one hundred years in journalism and the Reynolds Journalism Institute dedication. The Donning Company Publishers, 2009.

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Suzette, Heiman, ed. The J school: Celebrating one hundred years in journalism and the Reynolds Journalism Institute dedication. The Donning Company Publishers, 2009.

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Maynard B. (Maynard Boynton) Wheeler. Maynard Cattron Wheeler, M.D., 1903-1979: The life of a New York City ophthalmologist. blurb, 2014.

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1939-, Laquian Eleanor R., and University of British Columbia. Institute of Asian Research., eds. Design for the next millennium: The C.K. Choi Building for the Institute of Asian Research. Institute of Asian Research, University of British Columbia, 1996.

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University of British Columbia. Institute of International Relations. Report, 1998-2000. The Institute, 2000.

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Gregorian Institute of Canada. Annual Colloquium, ed. Chant and culture: Proceedings of the conference of the Gregorian Institute of Canada : University of British Columbia, August 6-9, 2013. The Institute of Mediaeval Music, 2014.

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Art, Conservation Training Programs Conference (12th 1986 New York N. Y. ). Student papers: Conservation Training Programs twelfth annual conference : Conservation Center, Institute of Fine Arts, New York University : Conservation Programs, School of Library Service, Columbia University : 30 April - 2 May 1986. The Conference, 1986.

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A, Page Carol, University of the District of Columbia. Institute of Gerontology., and United States. Administration on Aging., eds. Improving gerontological education and training for professionals and paraprofessionals: An HBCU interdisciplinary project. University of the District of Columbia, Institute of Gerontology, 1996.

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A, Page Carol, University of the District of Columbia. Institute of Gerontology., and United States. Administration on Aging., eds. A graduate program in gerontology at an HBCU: Final report. University of the District of Columbia, Institute of Gerontology, 1994.

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Book chapters on the topic "Columbia University. Hispanic Institute"

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Fong, Brian C. H., Wu Jieh-min, and Andrew J. Nathan. "Studies of the Weatherhead East Asian Institute, Columbia University Selected Titles." In China’s influence and the Center-periphery Tug of War in Hong Kong, Taiwan and Indo-Pacific. Routledge, 2020. http://dx.doi.org/10.4324/9781003088431-29.

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Fenwick, Alan, Wendie Norris, and Becky McCall. "Building partnerships - high stakes for high rewards." In A tale of a man, a worm and a snail: the schistosomiasis control initiative. CABI, 2021. http://dx.doi.org/10.1079/9781786392558.0015.

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Abstract This book chapter focuses on GNNTDC support for the cause of integrated disease control. GNNTDC is made up of eight well-established and based at the Sabin Vaccine Institute in Washington, DC. Communication members are George Washington University, Earth Institute at Columbia University, Liverpool School of Tropical Medicine, Helen Keller International, the International Trachoma Initiative, Schistosomiasis Child Survival and Development Working Group and Control Initiative. Collectively, they have already put in place a plan to implement integrated drug management programs across sub-Saharan Africa.
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"Liu Institute, University of British Columbia." In Sustainable Buildings in Practice. Routledge, 2010. http://dx.doi.org/10.4324/9780203865453-7.

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"The East Asian Institute of Columbia University." In Kim Il Sung. Columbia University Press, 1988. http://dx.doi.org/10.7312/suh-91732-029.

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"The East Asian Institute of Columbia University." In Teachers and Politics in Japan. Princeton University Press, 2015. http://dx.doi.org/10.1515/9781400871438-017.

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"Studies of the Weatherhead East Asian Institute Columbia University." In The Battle for Fortune. Cornell University Press, 2018. http://dx.doi.org/10.7591/9781501719653-015.

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"Studies of the Weatherhead East Asian Institute, Columbia University." In Japan's Colonization of Korea. University of Hawaii Press, 2017. http://dx.doi.org/10.1515/9780824863142-012.

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"Studies Of The Weatherhead East Asian Institute Columbia University." In The Art of Censorship in Postwar Japan. University of Hawaii Press, 2017. http://dx.doi.org/10.1515/9780824865733-016.

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"Studies of the Weatherhead East Asian Institute Columbia University." In Engineering Asia. Bloomsbury Academic, 2018. http://dx.doi.org/10.5040/9781350063952.0006.

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"Studies of the Weatherhead East Asian Institute Columbia University." In Arbiters of Patriotism. University of Hawaii Press, 2020. http://dx.doi.org/10.1515/9780824883386-013.

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Conference papers on the topic "Columbia University. Hispanic Institute"

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Seo, Junhyeon, Courtney Fisher, Srivatsa Kaudur, Mayank Agarwal, Rakesh Kapania, and Larry Pilkington. "Verification and Validation (V&V) of Numerical Helicopter Airframe Model for Dynamic and Static Finite Element Analysis." In Vertical Flight Society 78th Annual Forum & Technology Display. The Vertical Flight Society, 2022. http://dx.doi.org/10.4050/f-0078-2022-17622.

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In this research, Columbia Helicopters, Inc. (CHI) and Virginia Polytechnic Institute and State University collaborated to conduct the numerical model Verification and Validation (V&amp;V) of a Global Finite Element Model (GFEM) of a tandem rotor helicopter developed by CHI. The V&amp;V process is followed based on the ASME V&amp;V guide for computational solid mechanics. The target mathematical model is verified with a convergence study by improving the mesh density and quality. For the model validation, the authors compare the dynamic and static finite element analyses (FEA) with the experimental results. During 1980s, NASA along with some industry participants pursued a Design Analysis Methods for Vibration (DAMVIBS) project to develop and validate accurate FEM based framework for dynamic analysis of helicopters. This work utilizes NASA's DAMVIBS project results to validate the dynamic responses for vertical, lateral, and pitch loading cases. In addition, for static validation, the authors have used CHI's static pull experimental data. This data includes measured strain values at various locations on the fuselage structure. Both dynamic and static FEA results match within 10 % of the DAMVIBS and static pull experimental results, respectively. Thus, this study successfully validates the reliability of the numerical model.
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Romero, Marc, Montse Guitert catasús, Albert Sangra, and Mark Bullen. "DIGITAL LEARNERS AT THE OPEN UNIVERSITY OF CATALONIA: A SKEPTICAL VIEW OF THE PHENOMENON OF THE NET GENERATION." In eLSE 2012. Editura Universitara, 2012. http://dx.doi.org/10.12753/2066-026x-12-047.

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Some authors, most of them from the United States, have stated that university students born after 1982 have been profoundly influenced by the advent of digital technologies, showing different characteristics when compared to previous generations. These students, called the \\\\\\\"Net Generation\\\\\\\", are supposed to be digitally literate, continuously connected, showing a need for immediacy in receiving information, preference for social activities, being active experiential learners, showing a capacity to carry out several tasks simultaneously and being involved in the community (Oblinger &amp; Oblinger, 2005; Prensky, 2005; Palfrey &amp; Gasser, 2008). However, it is worth asking if that is a current observable phenomenon. Are those students at the UOC born after the 80s really more familiar with ICT tools than those born in previous generations? Do they show different study habits and learning paths? Different research lines (Kennedy et al., 2008, Bennett, et al, 2008; Guo et al, 2008, Selwyn, 2009, Bullen et al, in press) highlight that scientific data or statistics are rarely used when discussing this generation’s characteristics. The international research project, Digital Learners in Higher Education seeks to develop a sophisticated and evidence-based understanding of university learners in different institutional contexts and the perception of cultures in their use of technology in a social and educational context. This project endeavours to understand the problem in depth and to observe what the growing use of new digital technologies means for teaching and learning in higher education. This research project is led by the British Columbia Institute of Technology and includes the University of Regina and the Open University of Catalonia (UOC). The research questions of this study are: • Do postsecondary students distinguish their social and educational use of ICTs? • What impact does student social use of ICTs have on postsecondary learning environments? • What is the relationship between social and educational uses of ICTs in postsecondary education? In order to find out students’ social and educational use of ICTs in three different contexts, we use a multi-case study embedded design (Yin, 2009). The cases consist of three distinct postsecondary institutional contexts: a Canadian polytechnic teaching institution (BCIT), a Canadian research-intensive university (University of Regina) and a European fully online university (Open University of Catalonia). In the first phase of the study, BCIT partners reviewed the literature and checked some of the claims about Net Gen students. Specifically, the aims of this phase were to determine whether or not students at the BC Institute of Technology (BCIT) fit the Net Generation’s profile as portrayed in the previously revised literature, and to try to understand how BCIT learners use various information and communication technologies. The review of the literature suggests that the discourse about the impact of new digital technologies on postsecondary education has been dictated by speculation, anecdotal observations and proprietary research that is difficult to assess. We found that there is no empirical basis for most of the arguments that have been made (Bullen et al., 2009a). In the second phase of the study, a survey was designed by BCIT partners in order to gather information about students’ communication and study habits. Later, the UOC partners adapted the survey to the characteristics of their cross-over “ICT Competences” course, in which students developed a research project in groups; taking into account that this is a course studied by approximately 3,000 students per semester. In this paper, the 1,036 student responses to the survey are deeply analysed in order to demonstrate that there is no statistically significant relationship between our student’s age and the Net Generation’s characteristics. In order to go beyond our analysis and considering the features of the ICT competences’ course, the relationship between student age and their perception about the time dimension of studying online and collaborative online learning will also be deeply analysed.
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Kakinoki, Shumpei, Keizo Matsuura, Kenichi Kitagawa, and Isao Kataoka. "The Applicability of NFI-1 DNB Correlation and Fluid-to-Fluid Similarities to Freon DNB Test." In 16th International Conference on Nuclear Engineering. ASMEDC, 2008. http://dx.doi.org/10.1115/icone16-48348.

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Freon thermal hydraulic test is expected to be one of the workable methods to develop high thermal hydraulic performance PWR fuel. That is, high pressure water and high heat flux condition in PWR core can be substituted with lower pressure Freon and lower heat flux by applying appropriate fluid-to-fluid similarity and modeling parameters. Freon DNB tests and mixing tests were carried out against a 4×4 rod bundle configuration where R-134A flowed vertically upwardly. The tests were carried out at Freon thermal hydraulic test loop in Korea Atomic Energy Research Institute (KAERI). The spacer grid used in these tests was modeled on that of conventional PWR fuel, that is, square lattice grid with split type mixing vanes. Diameter of heater rod simulating PWR fuel rod is about 10.7mm and heating length is about 2000 mm. Freon mixing tests were carried out to estimate Turbulence Diffusivity Coefficient (TDC), which was normally used in conventional thermal hydraulic design of nuclear reactor. Freon CHF test results showed that parametric trends agreed with those of existing CHF data. To predict CHF of 4×4 rod bundle, subchannel analysis code Modified COBRA-3C and NFI-1 DNB correlation were applied. TDC value used in subchannel analysis was determined by fitting Freon mixing test data. NFI-1 DNB correlation was developed for predicting DNB heat flux in rod bundle configuration by using water CHF test results at HTRF test loop at Columbia University. The design of spacer grids used in KAERI Freon DNB test was similar to that used in water CHF test at HTRF. Water equivalent flow condition of this R-134A test was estimated using fluid-to-fluid similarities. NFI-1 DNB correlation was applied to this water equivalent condition to estimate water equivalent DNB heat flux. Then R-134A equivalent DNB heat flux was estimated reversely, and compared to Freon DNB test result. The test results were predicted well and applicability of NFI-1 DNB correlation and fluid-to-fluid similarities in 4×4 rod bundle is discussed.
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Shetty, Devdas, Pruthviraj Umesh, and K. V. Gangadharan. "Platform for Mechatronics Education Using: (1) Mechatronics Technology Demonstrator, and (2) Web Based Virtual Experimentation." In ASME 2017 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/imece2017-70223.

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Increasing demands on the productivity of complex systems, such as machine tools and their steadily growing technological importance will require the application of new methods in the product development process. This paper shows that the analysis of the simulation results from the simulation based mechatronic model of a complex system followed by a procedure that allows a better understanding of the dynamic behavior and interactions of the components. This paper will highlight the results of interaction between National Institute of Technology, (NITK) Surathkal, India and University of District of Columbia (UDC) in the area of Mechatronics and virtual testing. Mechatronics is a design philosophy, which is an integrating approach to engineering design. Through a mechanism of simulating interdisciplinary ideas and techniques, mechatronics provides ideal conditions to raise the synergy, thereby providing a catalytic effect for the new solutions to technically complex situations. Many real-world systems can be modeled by the mass-spring-damper system and hence considering one such system, namely Mechatronics Technology Demonstrator (MTD) is taken as the first example. MTD is a portable low cost, technology demonstrator that can be used for teaching mechatronics system design. The paper highlights design optimization of several mechatronic products using the procedures derived by the use of mass spring damper based mechatronic system. The second example is on web based virtual experimentation, where the experiment is conducted by remote triggering of Torsion Testing Machine. Remote triggered (RT) experimentation is a method of remotely controlling the laboratory equipment by an internet based system from a webpage. RT lab is an excellent way for the students to get access to expensive state of the art labs and equipment. The present work deals with the systematic approach of realizing a remote triggered experimentation on a horizontal torsional testing machine which can be triggered from a tablet PC or a laptop through an internet connection directed to the server computer system. RT lab algorithms are built in the server computer and the information and controls will be displayed on an html webpage where the experiment can be conducted. In this experiment the machine is remotely started through a command in the webpage which will be directed to the main server computer system from a wireless handheld internet enabled device such as laptops or tablet PCs and render the suitable graph of the experiment in the device. The experiment is completely in the control of the user. The person can either on/off the main equipment with the help of the device within the given slot of time and the data from the graph can be retrieved for further analysis. The first example uses a software platform of VisSim and the second example uses a software platform LabView. Although located in two different locations and countries, this paper examines the common mechatronics philosophy and the design approach used in modeling, simulation, optimization and virtual experimentation in building robust mechatronics product and procedures.
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