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Steady-state Capabilities for Hydroturbines with OpenFOAM
Page, Maryse,Beaudoin, Martin,Giroux, Anne-Marie Korean Society for Fluid machinery 2011 International journal of fluid machinery and syste Vol.4 No.1
The availability of a high quality open source CFD simulation platform like OpenFOAM offers new R&D opportunities by providing direct access to models and solver implementation details. Efforts have been made by Hydro-Qu$\'{e}$bec to adapt OpenFOAM to hydroturbines for the development of steady-state capabilities. This paper describes the developments that have been made to implement new turbomachinery related capabilities: multiple frames of reference solver, domain coupling interfaces (GGI, cyclicGGI and mixing plane) and specialized boundary conditions. Practical use of the new turbomachinery capabilities are demonstrated for the analysis of a 195-MW Francis turbine.
Smooker, A M,Wells, R,Morgan, C,Beaudoin, F,Cho, K,Fraser, F,Bancroft, I Springer 2011 TAG. Theoretical and applied genetics. Theoretisch Vol.122 No.6
<P>We constructed a linkage map for the population QDH, which was derived from a cross between an oilseed rape cultivar and a resynthesised Brassica napus. The linkage map included ten markers linked to loci orthologous to those encoding fatty acid biosynthesis genes in Arabidopsis thaliana. The QDH population contains a high level of allelic variation, particularly in the C genome. We conducted quantitative trait locus (QTL) analyses, using field data obtained over 3 years, for the fatty acid composition of seed oil. The population segregates for the two major loci controlling erucic acid content, on linkage groups A8 and C3, which quantitatively affect the content of other fatty acids and is a problem generally encountered when crossing 'wild' germplasm with cultivated 'double low' oilseed rape cultivars. We assessed three methods for QTL analysis, interval mapping, multiple QTL mapping and single marker regression analysis of the subset of lines with low erucic acid. We found the third of these methods to be most appropriate for our main purpose, which was the study of the genetic control of the desaturation of 18-carbon fatty acids. This method enabled us to decouple the effect of the segregation of the erucic acid-controlling loci and identify 34 QTL for fatty acid content of seed oil, 14 in the A genome and 20 in the C genome. The QTL indicate the presence of 13 loci with novel alleles inherited from the progenitors of the resynthesised B. napus that might be useful for modulating the content or extent of desaturation of polyunsaturated fatty acids, only one of which coincides with the anticipated position of a candidate gene, an orthologue of FAD2.</P>
Clothing purchase behavior and the Canadian household life cycle
Anne-Marie Germain,Serge Carrier,Miche`le Beaudoin 한국마케팅과학회 2014 Journal of Global Fashion Marketing Vol.5 No.2
The first intention of this research is to test ifWells and Gubar’smodel (1966) of consumer behavior, based on the life cycle, still explains the Canadian population’s consumption behavior. A second objective, if warranted, is to determine the possibility to segment the Canadian population based on life cycles with the aim of explaining garment/apparel consumption. Using the Survey of Household Spending from Statistics Canada (2009), this article analyses total clothing expenditures and their subcategories of expenses for women and girls, men and boys, and children. Each expense is analyzed using two different data: (1) gross amount of money spent annually and (2) percentage of the category on household total spending. The three hypotheses of this research are validated, confirming (H1) the non-representativeness of Wells and Gubar’s model; (H2) the importance of integrating single households in the life-cycle model since their purchase behaviors are significantly different from those of traditional households; (H3) the possibility to segment based on life-cycle criteria to better understand Canadian realities.
Dietary Supplementation with Pressurized Whey in Patients with Cystic Fibrosis
L.C. Lands,M. Iskandar,N. Beaudoin,B. Meehan,N. Dauletbaev,Y. Berthiuame 한국식품영양과학회 2010 Journal of medicinal food Vol.13 No.1
Cystic fibrosis (CF) is characterized by malnutrition, chronic pulmonary inflammation, and oxidative stress. Whey protein is rich in sulfhydryl groups and is recognized for its ability to increase glutathione and reduce oxidative stress. Previously, we have shown that supplementation with whey increased intracellular glutathione levels in patients with CF. We have subsequently shown that hyperbaric pressure treatment of whey protein promotes the release of novel peptides for absorption, increases intracellular glutathione in healthy subjects, and reduces in vitro production of interleukin (IL)-8. We hypothesized that pressurized whey supplementation in children and adults with CF could have significant nutritional and anti-inflammatory benefits. A pilot open-label study of 1-month dietary supplementation with pressurized whey in CF patients was undertaken to assess the effects. Twenty-seven patients with CF (nine children, 18 adults) were enrolled. The dose of pressurized whey was 20g/day in patients less than 18 years of age and 40g/day in older patients. Anthropometric measures, pulmonary function, serum C-reactive protein (CRP), whole blood glutathione, and whole blood IL-8 and IL-6 responses to phytohemagglutinin (PHA) stimulation were measured at baseline and at 1 month. Three adults withdrew (one with gastrointestinal side effects, two with acute infection). Both children and adults showed enhancements in nutritional status, as assessed by body mass index. Children showed improvement in lung function (forced expiratory volume in 1 second). The majority of patients with an initially elevated CRP showed a decrease. PHA-stimulated IL-8 responses tended to decrease in the adults. Whole blood glutathione levels did not change. Thus, oral supplementation with pressurized whey improves nutritional status and can have additional beneficial effects on inflammation in patients with CF.
Diffusion and adoption of the Long-Term Athlete Development model among Canadian coaches
( François Trudeau ),( Louis Laurencelle ),( Charlotte Beaudoin ),( Claude Lajoie ) 한국스포츠정책과학원 2021 International Journal of Applied Sports Sciences Vol.33 No.2
The aim of the present study was to document the process of Long-term Athlete Development (LTAD) adoption by Canadian sport coaches, and to identify predictors of: 1) their attitude and intention to adopt such a social innovation, and 2) their LTAD adoption level. Using Rogers’ innovation diffusion theory, a survey of 499 Canadian coaches was conducted to identify the factors associated with three variables: coaches’ attitude towards LTAD, intention to adopt LTAD, and LTAD adoption status. 279 (56%)(35.4 ± 12.1 years) of them knew LTAD and filled out the entire questionnaire. Perceived knowledge of LTAD, its trialability, observability, intention to adopt, coaches’ certification level, and organisational support were the best predictors of LTAD model adoption level in coaching’ practice (R2=0.579, F9,184=28.32, p<0.001). Coaches in late-developing sports declared having greater knowledge of LTAD, more capacity for its implementation, and lower perceived complexity of application.
Engrailed protects mouse midbrain dopaminergic neurons against mitochondrial complex I insults
Alvarez-Fischer, Daniel,Fuchs, Julia,Castagner, Fran챌ois,Stettler, Olivier,Massiani-Beaudoin, Olivia,Moya, Kenneth L,Bouillot, Colette,Oertel, Wolfgang H,Lomb챔s, Anne,Faigle, Wolfgang,Joshi, Rajiv L,H Nature Publishing Group, a division of Macmillan P 2011 NATURE NEUROSCIENCE Vol.14 No.10
Mice heterozygous for the homeobox gene Engrailed-1 (En1) display progressive loss of mesencephalic dopaminergic (mDA) neurons. We report that exogenous Engrailed-1 and Engrailed-2 (collectively Engrailed) protect mDA neurons from 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP), a mitochondrial complex I toxin used to model Parkinson's disease in animals. Engrailed enhances the translation of nuclearly encoded mRNAs for two key complex I subunits, Ndufs1 and Ndufs3, and increases complex I activity. Accordingly, in vivo protection against MPTP by Engrailed is antagonized by Ndufs1 small interfering RNA. An association between Engrailed and complex I is further confirmed by the reduced expression of Ndufs1 and Ndufs3 in the substantia nigra pars compacta of En1 heterozygous mice. Engrailed also confers in vivo protection against 6-hydroxydopamine and 慣-synuclein-A30P. Finally, the unilateral infusion of Engrailed into the midbrain increases striatal dopamine content, resulting in contralateral amphetamine-induced turning. Therefore, Engrailed is both a survival factor for adult mDA neurons and a regulator of their physiological activity.