Bibliografías temáticas / Lei 12.030/2009

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Literatura académica sobre el tema "Lei 12.030/2009"

Autor: Grafiati
Publicado: 4 de junio de 2021
Última modificación: 17 de febrero de 2022

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Artículos de revistas sobre el tema "Lei 12.030/2009"

1

Jääskelä, Maija, Laura Kuivalainen, Sarita Victorzon, Willy Serlo, Lasse Lempainen y Juha-Jaakko Sinikumpu. "Trampoline-related proximal tibia impaction fractures in children: a population-based approach to epidemiology and radiographic findings between 2006 and 2017". Journal of Children's Orthopaedics 14, n.º 2 (1 de abril de 2020): 125–31. http://dx.doi.org/10.1302/1863-2548.14.190177.

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Purpose Proximal tibia impaction fractures are specific injuries, usually caused by trampolining. They may associate with later growth disturbances. There is sparse understanding about their recent epidemiology, in particular the changing incidence. Their typical radiographic findings are not completely known. Methods All children, aged < 16 years, who had suffered from proximal tibia fracture in Oulu Arc and Oulu between 2006 and 2017 were enrolled (n = 101). Their annual incidence was determined using the official population-at-risk, obtained from the Statistics Finland. The specific characteristics and risk factors of the patients and their fractures were evaluated. Radiographic findings were analyzed, in particular the anterior tilting of the proximal growth plate, due to impaction. Results The annual incidence increased two-fold from 9.5 per 100 000 children (2006 to 2009) to 22.0 per 100 000 (2014 to 2017) (difference: 12.5; 95% confidence interval 5.1 to 20.3 per 100 000; p = 0.0008). The mean annual incidence of trampoline impaction leg fractures was 15.4 per 100 000 children. In 80% of the cases multiple children had been jumping together on the trampoline. Anterior tilting (mean 7.3°, SD 2.5°, 6.1° to 19.1°) ) of the proximal tibial plate was seen in 68.3% of the patients. Satisfactory bone union was found in 92.7% during follow-up. Isolated patients presented delayed bone healing. Conclusion The incidence of trampoline leg fractures has increased 130% during the 12 years of the study period. Many of these injuries could have been prevented by avoiding having several jumpers on the trampoline at the same time. Anterior tilting of the growth plate was a common finding and should be recognized in the primary radiographs. Level of evidence IV
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Chen, Rong, William G. Wierda, Sherri Chubb, Rachael E. Hawtin, Judith A. Fox, Michael J. Keating, Varsha Gandhi y William Plunkett. "Mechanism of action of SNS-032, a novel cyclin-dependent kinase inhibitor, in chronic lymphocytic leukemia". Blood 113, n.º 19 (7 de mayo de 2009): 4637–45. http://dx.doi.org/10.1182/blood-2008-12-190256.

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Abstract Inhibitors of cyclin-dependent kinases (Cdks) have been reported to have activities in chronic lymphocytic leukemia cells by inhibiting Cdk7 and Cdk9, which control transcription. Here we studied the novel Cdk inhibitor SNS-032, which exhibits potent and selective inhibitory activity against Cdk2, Cdk7, and Cdk9. We hypothesized that transient inhibition of transcription by SNS-032 would decrease antiapoptotic proteins, resulting in cell death. SNS-032 effectively killed chronic lymphocytic leukemia cells in vitro regardless of prognostic indicators and treatment history. This was associated with inhibition of phosphorylation of RNA polymerase II and inhibition of RNA synthesis. Consistent with the intrinsic turnover rates of their transcripts and proteins, antiapoptotic proteins, such as Mcl-1 and X-linked inhibitor of apoptosis protein (XIAP), were rapidly reduced on exposure to SNS-032, whereas Bcl-2 protein was not affected. The initial decrease of Mcl-1 protein was the result of transcriptional inhibition rather than cleavage by caspase. Compared with flavopiridol and roscovitine, SNS-032 was more potent, both in inhibition of RNA synthesis and at induction of apoptosis. SNS-032 activity was readily reversible; removal of SNS-032 reactivated RNA polymerase II, which led to resynthesis of Mcl-1 and cell survival. Thus, these data support the clinical development of SNS-032 in diseases that require short-lived oncoproteins for survival.
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Siedler, A., A. Tischer, A. Mankertz y S. Santibanez. "Two outbreaks of measles in Germany 2005". Eurosurveillance 11, n.º 4 (1 de abril de 2006): 9–10. http://dx.doi.org/10.2807/esm.11.04.00615-en.

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Measles re-emerged in some counties in Germany in 2005, despite increasing vaccination coverage rates in children at school entry in recent years, which had led to decreasing incidence (with the lowest incidence ever recorded, 0.2 cases per 100 000 inhabitants in 2004). Regional outbreaks have been detected by the mandatory reporting system in the states of Hesse and Bavaria. Although both outbreaks led to similar incidences in the affected areas (14 and 12 cases respectively per 100 000 inhabitants) they differed in age distribution, transmission patterns and measles virus genotype. In Hesse, 223 cases were submitted, from which 160 belonged to 41 clusters mainly defined by family or household contacts. Attack rate was highest in children aged between 1-4 years (102 cases per 100 000). Results of measles virus diagnosis showed genotype D4 and identical nucleotide sequences for all analysed cases from Hesse. In Bavaria, 279 cases were submitted, most of which had occurred in schools and preschool facilities. Age-specific attack rate was highest in children aged between 5-9 years (129 per 100 000). Laboratory diagnosed viruses were identified as genotype D6 and were identical at the nucleotide level. In both outbreaks the vast majority of cases (95% in Hesse and 98% in Bavaria) were in unvaccinated children, but vaccination coverage differed in the affected areas and was slightly lower in Bavaria than in Hesse. Local accumulation of unvaccinated children and their concentration in schools and kindergarten preceded the outbreak in Bavaria. Despite high average vaccination coverage levels, local variations may lead to regionally limited outbreaks.
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Zheng, Shuo, Kai Qin, Lixin Wu, Yanfei An, Qifeng Yin y Chunkit Lai. "Hydrothermal anomalies of the Earth's surface and crustal seismicity related to Ms8.0 Wenchuan EQ". Natural Hazards 104, n.º 3 (31 de agosto de 2020): 2097–114. http://dx.doi.org/10.1007/s11069-020-04263-7.

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Abstract Hydrothermal anomalies related to the Ms8.0 Wenchuan earthquake (EQ) on May 12, 2009, have been widely reported. However, the reported anomalies have not been associated with multi-geosphere analysis, and space–time analysis with crustal seismicity is lacking. In this paper, the space–time variation of hydrothermal parameters, including soil moisture, soil temperature, near-surface relative humidity (RHsig995) and air temperature (TMPsfc), was first extracted and analyzed with the NCEP-FNL reanalysis dataset. The b-value (a seismic parameter from the Gutenberg–Richter law) was calculated and mapped to unravel the crustal stress and rock rupture. Our results reveal a similar time window for hydrothermal anomalies on April 20 and April 30, 2008, and these anomalies are mainly distributed along the southern and middle parts of the Longmenshan fault zone. The surface temperature anomalies lag behind the humidity anomalies, and the accelerating stress accumulation started since June 2007 and lasted for eight to nine months before the mainshock. The b-value mapping shows a segmented difference along strike of the Longmenshan fault, and that regional stress accumulated mainly in the southern parts of the F2 and F3 faults. We propose the occurrence of a complex coupling process led by crustal stress buildup before the Wenchuan EQ. The anomalies are concentrated in the southern part of the surface rupture zone. The prolonged crustal stress accumulation corresponds to the short intermittent hydrothermal response on the Earth’s surface before the Wenchuan EQ. Our findings reveal new hydrothermal anomalies in the Earth’s surface and atmosphere and explore direct link with seismogenic processes in the crust.
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Hisano, Junji, Minoru Nagai, Paride Paradisi y Yasuhiro Shimizu. "Waiting for μ →eγ from the MEG experiment". Journal of High Energy Physics 2009, n.º 12 (9 de diciembre de 2009): 030. http://dx.doi.org/10.1088/1126-6708/2009/12/030.

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Canell, Anastasia, Hannah Bashian y Grace Caskie. "Do the Reasons Emerging Adults Become Informal Caregivers Relate to Future Willingness to Care? A Mixed-Methods Study". Innovation in Aging 4, Supplement_1 (1 de diciembre de 2020): 357. http://dx.doi.org/10.1093/geroni/igaa057.1149.

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Abstract Approximately 12-18% of family caregivers to older adults in the U.S. are emerging adults (aged 18-25), yet minimal research focuses on this subgroup of caregivers (Levine, 2005). Although several theories have developed to explain the growing number of emerging adults assuming informal caregiving roles (e.g., alleviating burden on middle-aged caregivers, family obligation; Dellmann-Jenkins & Brittain, 2003), the reasons why emerging adults become caregivers have not been studied. In the current study, a sample of 248 emerging adult caregivers were asked to describe the circumstances that led to providing unpaid care to an older adult. Using discovery-oriented coding methodology, 11 themes emerged within participants’ responses: care-recipient illness (35.5%), familial relationship (35.5%), care-recipient became dependent (23.8%), proximity (13.7%), only option (10.1%), reciprocal care (8.9%), availability (8.5%), age-related decline (6.9%), monetary restrictions (6.9%), care-recipient desire (6.0%), and community service (4%). Follow-up analyses found that participants who identified familial relationships (e.g., “They are my parents so I felt obligated...”) were less likely to endorse willingness to provide nursing care in the future compared to those who did not identify familial relationships (p=.032). Participants who identified care-recipient dependency as a circumstance leading to caregiving (e.g., “My grandmother fell and was in rehab...”) were more likely to endorse willingness to provide instrumental (p=.034) and emotional (p=.047) care in the future than those who did not identify care-recipient dependency. These results demonstrate the unique reasons that may lead emerging adults to begin caregiving and how these reasons relate to future willingness to care for an older adult.
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Halimeh, Susan, Erdmuth Schubert, George Paulus, Hannelore Rott, Michael Schaefers y Klaus Quabeck. "Rituximab May Be a Useful Option in Children with Severe Chronic Immunthrombocytopenia (ITP)". Blood 118, n.º 21 (18 de noviembre de 2011): 4692. http://dx.doi.org/10.1182/blood.v118.21.4692.4692.

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Abstract Abstract 4692 This otherwise healthy 12-year-old girl presented in March, 2011 with a history of severe ITP that had been diagnosed in November, 2007. Since then, she had suffered from recurrent bruises, petechiae, epistaxis, persistent bleending after tooth-loss and during menstruation (menarche: April, 2010), and subsequent iron-deficiency. Severe headache of sudden onset turned out to be caused by intracranial hemorrhage (ICH) in December, 2009, and in September, 2010, respectively. CT-scans in September 2010 revealed 2 additional ICH which had occured without symptomps. Fortunately, she recovered without sequelae from these complications. The initial and the subsequent treatment consisted of immunoglobulie (IG) and prednisone (IV or orally) given in various doses and for various time-intervals, always followed by a rise in platelet count for short periods of time, and a subsequent decline, when the drugs were withdrawn. Both ICH occured in phases of watchful waiting, while platelet count were below 1000. Splenectomy was offered and repeatedly denied by the patient and her parents. After the second ICH (Sept 2010) the patient received continuous weekly IG as prophylaxis of further ICH. Serious side-effects of prednisone in this patient (Cushing’s habitus, abdominal striae, insomnia and secondary depression) led to withdrawal of this drug. Since February 2011, the efficacy of IG was decreasing significantly, and the patient was referred to hematological practice for further treatment. We obtained the patient’s and her parents’ informed consent for a trial of 4 weekly doses rituximab (375mg/ square meter body surface after premedication with an antihistamine and 50mg prednisone). The infusions were given over a time-period of 5 weeks (May – June 2011) and were well tolerated. Platelet counts began to rise significantly after the 2. course and have remained above 200 000 since the beginning of July, 2011 without any other medication. Through the long-term course in this patient yet has to be followed, we feel that Rituximab (though not licensed for ITP in Germany) has been a useful option in this heavily pretreated patient. Because of good clinical results from US trials, like cases confirm previous reports of B.U. Mueller and C.M. Benett (Pediatr. Blood Cancer 2009; 52:259 and Blood 2006; 107:2639) we are now able to perform this treatment. Disclosures: No relevant conflicts of interest to declare.
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Arokiaraj, Mark Christopher. "A Guitaring Technique with 035 Wire and Perforated Coronary Balloon for Thrombolysis in the Treatment of Acute Deep Vein Thrombosis". Journal Of Cardiovascular Emergencies 5, n.º 3 (1 de septiembre de 2019): 104–7. http://dx.doi.org/10.2478/jce-2019-0012.

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Abstract A patient who underwent thrombolysis and inferior vena cava filter implantation for acute deep vein thrombosis treatment nine years before, presented with deep vein thrombosis on the other limb. The venous angiogram showed deep vein thrombosis in the ilio-femoral vessels. Through left femoral vein puncture, a 6F right Judkins diagnostic catheter was advanced up to the proximal iliac veins, and further advancement was not possible. Hence, a 035 hydrophilic wire was advanced, and through a guitaring technique, the clots were disrupted at the mid-thigh level. Through a 014 coronary wire, a punctured coronary balloon was placed at the distal mid-thigh level, and intravascular thrombolysis was performed for 12 hours, followed by removal of the balloon and the right coronary Judkins catheters. The leg swelling reduced in the first day, and subsequently, the patient was followed up for 7 months with anticoagulation and good resolution of the symptoms.
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Doenhardt, Maren, Barbara Seipolt, Lars Mense, Jennifer Lucia Winkler, Alexander Thürmer, Mario Rüdiger, Reinhard Berner y Jakob Armann. "Neonatal and young infant sepsis by Group B Streptococci and Escherichia coli: a single-center retrospective analysis in Germany—GBS screening implementation gaps and reduction in antibiotic resistance". European Journal of Pediatrics 179, n.º 11 (23 de mayo de 2020): 1769–77. http://dx.doi.org/10.1007/s00431-020-03659-8.

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Abstract The last nationwide surveillance study on neonatal and young infant sepsis due to Group B Streptococci (GBS) and Escherichia coli in Germany was conducted between 2009 and 2010. The aim of this study is to provide longitudinal epidemiological data on neonatal and young infant sepsis caused by GBS and E. coli to reevaluate existing data and to inform clinical decision-making. Every positive blood culture for GBS and E. coli within the first 90 days of life that occurred at our center from 2008 until 2018 was identified. The epidemiological, clinical, laboratory, and microbiological data of all affected patients were analyzed through retrospective chart review, along with the pathogen’s antimicrobial susceptibility results. In total, 106 episodes of neonatal sepsis were described; 31% (n = 33) being caused by GBS and 69% (n = 73) by E. coli; 87% of GBS early-onset disease (EOD) cases did not receive intrapartum antibiotic prophylaxis (IAP). Contrary to general trends, the proportion of resistant E. coli isolates decreased for all tested antibiotics over time. Coincidentally, antenatal antibiotic use beyond IAP during that period decreased significantly in our center. Conclusions: (1) Data at our center suggests at least a regional implementation gap in GBS screening and IAP. (2) The decline in the resistance rate of E. coli for all antimicrobial substances might indicate that the reduction of prenatal antibiotics use is beneficial and that neonatal antibiotic stewardship programs should include pregnant women as well. What is Known:• GBS screening and intrapartum antibiotic prophylaxis led to a 32%-reduction in GBS disease in Germany with a 0.75 (92:122) ratio of early-onset disease to late-onset disease in 2009–2010.• Prenatal antibiotic use might increase the risk of E. coli early-onset disease and antibiotic resistances. What is New:• The GBS early-onset disease rates were twice as high as those of late-onset disease, the ratio was 1.75 (21:12) in 2008–2018 at our institution. This suggests that there are at least regional implementation gaps in the antenatal GBS screening in Germany.• We found a decline in E. coli resistance rates over time for all antimicrobial substances. Reduction in use of prenatal antibiotics might be an explanation.
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Hinman, Rana S., Penny K. Campbell, Belinda J. Lawford, Andrew M. Briggs, Janette Gale, Caroline Bills, Jessica Kasza et al. "Does telephone-delivered exercise advice and support by physiotherapists improve pain and/or function in people with knee osteoarthritis? Telecare randomised controlled trial". British Journal of Sports Medicine 54, n.º 13 (20 de noviembre de 2019): 790–97. http://dx.doi.org/10.1136/bjsports-2019-101183.

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ObjectiveEvaluate a physiotherapist-led telephone-delivered exercise advice and support intervention for people with knee osteoarthritis.MethodsParticipant-blinded, assessor-blinded randomised controlled trial. 175 people were randomly allocated to (1) existing telephone service (≥1 nurse consultation for self-management advice) or (2) exercise advice and support (5–10 consultations with a physiotherapist trained in behaviour change for a personalised strengthening and physical activity programme) plus the existing service. Primary outcomes were overall knee pain (Numerical Rating Scale, range 0–10) and physical function (Western Ontario and McMaster Universities Osteoarthritis Index, range 0–68) at 6 months. Secondary outcomes, cost-effectiveness and 12-month follow-up were included.Results165 (94%) and 158 (90%) participants were retained at 6 and 12 months, respectively. At 6 months, exercise advice and support resulted in greater improvement in function (mean difference 4.7 (95% CI 1.0 to 8.4)), but not overall pain (0.7, 0.0 to 1.4). Eight of 14 secondary outcomes favoured exercise advice and support at 6 months, including pain on daily activities, walking pain, pain self-efficacy, global improvements across multiple domains (overall improvement, improved pain, improved function and improved physical activity) and satisfaction. By 12 months, most outcomes were similar between groups. Exercise advice and support cost $A514/participant and did not save other health service resources.ConclusionTelephone-delivered physiotherapist-led exercise advice and support modestly improved physical function but not the co-primary outcome of knee pain at 6 months. Functional benefits were not sustained at 12 months. The clinical significance of this effect is uncertain.Trial registration numberAustralian New Zealand Clinical Trials Registry (#12616000054415).
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Libros sobre el tema "Lei 12.030/2009"

1

Júnior, Humberto Theodoro. Inovações na Lei do inquilinato: Visão esquemática das alterações provocadas pela Lei n. 12,112, de 09-12-2009. Rio de Janeiro: GZ Editora, 2010.

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Quintas, Paula. Código do trabalho: Anotado e comentado : aprovado pela Lei no. 7/2009, de 12 de Fevereiro. Coimbra: Almedina, 2009.

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Quintas, Paula. Código do trabalho: Anotado e comentado : aprovado pela Lei no. 7/2009, de 12 de Fevereiro. Coimbra: Almedina, 2009.

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Graça, Pedro Quartin. O novo Código do trabalho: Anotado e comentado : Lei no 7/2009, de 12 de Fevreiro. Lisboa: Áreas Editora, 2009.

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Portugal. Código do trabalho aprovado pela Lei no. 7/2009, de 12 de fevereiro: E legislação complementar. 7a ed. [Lisboa]: Quid Juris Sociedade Editora, 2009.

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Graça, Pedro Quartin. O novo Código do trabalho: Anotado e comentado : Lei no 7/2009, de 12 de Fevreiro. Lisboa: Áreas Editora, 2009.

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Portugal. Códigos do trabalho e de processo do trabalho: De acordo com a Lei no 7/2009, de 12 de Fevreiro, e o Decreto-Lei no 480/99, de 9 de Novembro, com as alterações da Lei no 105/2009, de 14 de Setembro, ... 5a ed. Lisboa: Quid Juris Sociedade Editora, 2010.

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Quintas, Paula. Código do trabalho: Anotado e comentado : (aprovado pela Lei no 7/2009, de 12 de Fevreiro, com as alterações introduzidas pela Declaração de Rectificação no 21/2009, de 18 de março, pela Lei no. 105/2009, de 14 de setembro , pela Lei no. 53/2011, de 14 de outubro, pela Lei no. 23/2012, de 25 de junho, pela Declaração de Retificação no. 38/2012, de 23 de julho e pela Lei no. 47/2012, de 29 de agosto). 3a ed. Coimbra: Almedina, 2012.

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Portugal. Códigos do trabalho aprovado pela Lei no 7/2009, de 12 de fevereiro: E de acordo com a Declaração de rectificação no 21/2009, de 18 e março e de processo do trabalho. 2a ed. Lisboa: Quid Juris, 2009.

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Portugal. Códigos do trabalho aprovado pela Lei no 7/2009, de 12 de fevereiro: E de acordo com a Declaração de rectificação no 21/2009, de 18 e março e de processo do trabalho. 2a ed. Lisboa: Quid Juris, 2009.

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Capítulos de libros sobre el tema "Lei 12.030/2009"

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Meddi, Mohamed y Saeid Eslamian. "Uncertainties in Rainfall and Water Resources in Maghreb Countries Under Climate Change". En African Handbook of Climate Change Adaptation, 1967–2003. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-45106-6_114.

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AbstractThe vulnerability of the climate change in the South of the Mediterranean’s south regions varies depending on the part of their climate which is sensitive to the economy. In Tunisia, agriculture represents 16% of the workforce and 12% of GDP in 2006. In Algeria, agriculture represents 20% of the workforce and 8% of GDP in 2009. In Morocco, agriculture accounts for 40% of the workforce and 17.7% of GDP in 2006. The agriculture is directly related to the availability of water which in turn is directly related to rainfall. The drought has affected all countries of the Maghreb. It is considered the most severe in the history of these countries. The drought has forced the agricultural sector in Morocco to the limitation of annual crops which are not needed, the prohibition of any new tree planting and the ban on vegetable crops in dry years. During the years 1987, 1988, and 1989, Tunisia has experienced the most critical drought. It led to a water deficit of around 30%. For Morocco the rainfall shows a negative trend at national and regional scales, and spring rainfall has declined by over 40% since the 1960s. For Algeria, the western region has recorded a considerable reduction in rainfall. The winter rains have decreased between 40% and 70%. Contributions to dams have decreased between 30% and 50%. These changes had a negative influence on the water resource and crop yield. Many programs have been initiated since then to meet the growing demand.
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Meddi, Mohamed y Saeid Eslamian. "Uncertainties in Rainfall and Water Resources in Maghreb Countries Under Climate Change". En African Handbook of Climate Change Adaptation, 1–37. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-42091-8_114-1.

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AbstractThe vulnerability of the climate change in the South of the Mediterranean’s south regions varies depending on the part of their climate which is sensitive to the economy. In Tunisia, agriculture represents 16% of the workforce and 12% of GDP in 2006. In Algeria, agriculture represents 20% of the workforce and 8% of GDP in 2009. In Morocco, agriculture accounts for 40% of the workforce and 17.7% of GDP in 2006. The agriculture is directly related to the availability of water which in turn is directly related to rainfall. The drought has affected all countries of the Maghreb. It is considered the most severe in the history of these countries. The drought has forced the agricultural sector in Morocco to the limitation of annual crops which are not needed, the prohibition of any new tree planting and the ban on vegetable crops in dry years. During the years 1987, 1988, and 1989, Tunisia has experienced the most critical drought. It led to a water deficit of around 30%. For Morocco the rainfall shows a negative trend at national and regional scales, and spring rainfall has declined by over 40% since the 1960s. For Algeria, the western region has recorded a considerable reduction in rainfall. The winter rains have decreased between 40% and 70%. Contributions to dams have decreased between 30% and 50%. These changes had a negative influence on the water resource and crop yield. Many programs have been initiated since then to meet the growing demand.
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Pradhan, Sudip, Birendra Bajracharya, Kiran Shakya y Bikram Shakya. "Geospatial Information Technology for Information Management and Dissemination". En Earth Observation Science and Applications for Risk Reduction and Enhanced Resilience in Hindu Kush Himalaya Region, 251–67. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-73569-2_13.

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AbstractOver the last few decades, the development of geospatial technologies has converged with a variety of formal information technology disciplines (Zwartjes in Eur J Geogr 9(4):138–151, 2018; Jackson and Schell in Directions Magazine, 2009). The rapidly growing location-based services seamlessly integrate data and technologies from Earth observation (EO), Geographic Information System (GIS), Geographic Position System (GPS), and wireless and mobile communications (Huang et al. in J Location Based Servi 12(2):63–93, 2018).
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Actas de conferencias sobre el tema "Lei 12.030/2009"

1

Abdel-Wahab, Samer y Danesh K. Tafti. "Large Eddy Simulation of Flow and Heat Transfer in a 90° Ribbed Duct With Rotation: Effect of Coriolis and Centrifugal Buoyancy Forces". En ASME Turbo Expo 2004: Power for Land, Sea, and Air. ASMEDC, 2004. http://dx.doi.org/10.1115/gt2004-53799.

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Results from large eddy simulations (LES) of fully developed flow in a 90° ribbed duct are presented with rib pitch-to-height ratio P/e = 10 and a rib height-to-hydraulic-diameter ratio e/Dh = 0.1. Three rotation numbers Ro = 0.18, 0.36 and 0.68 are studied at a nominal Reynolds number based on bulk velocity of 20,000. Centrifugal buoyancy effects are included at two Richardson numbers of Ri = 12, 28 (Buoyancy number, Bo = 0.12 and 0.30) for each rotation case. Buoyancy strengthens the secondary flow cells in the duct cross-section which leads to an increase of 20% to 30% in heat transfer augmentation at the smooth walls over and above the effect of Coriolis forces. Buoyancy also accentuates the augmentation of turbulence near the trailing wall of the duct and increases the heat transfer augmentation ratio 10% to 20% over the action of Coriolis forces alone. However, it does not have any significant effect at the leading side of the duct. The overall effect of buoyancy on heat transfer augmentation for the ribbed duct is found to be less than 10% over the effect of Coriolis forces alone. Friction on the other hand is augmented 15% to 20% at the highest buoyancy number studied. Comparison with available experiments in the literature show excellent agreement.
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