Exit Profile Research Articles

Project-based methodology for English language learning in High School

High School students in Ecuador's Fiscal Educational Units have not developed skills in the English foreign language, nor can they recognize environmental problems and contribute with an effective and efficient solutions to them. The application of active communication methodologies such as project-based learning can help solve the problem together with the use of technology, thus contributing to the practice of oral skills to present innovative proposals for a specific project that can be sustainable over time. It is evident the lack of active methodological practices in the country's fiscal institutions, added to the little control in the educational establishments of the application of this type of tools that promote teamwork, hinders the improvement of the quality of education, especially in the subject of English. It is necessary to follow up on the teaching performance and the application of this methodology to generate new challenges in the educational area, especially in high school students, and complete their exit profile successfully in the English language. An article template and instructions on the editorial process and the text, figure, and references format are provided. The approach of this study is qualitative with a descriptive scope of the content for which the previous bibliography on the proposed topic is used, making a review of the literature on the project-based methodology (MBP) and its influence on the development of oral communication in the English language in the students.

Evaluation of the Socio-Emotional Competences of the Prioritized Curriculum in the Exit Profile of the Ecuadorian Bachelor: From Curriculum to Practice

Educational programs are increasingly inclined to promote values that favor the integral development of students, for which various formulas are implemented that seek from the methodological point of view to adjust to social, educational and curricular demands. The new curricular proposal with an emphasis on competencies focuses on the development of students' abilities so that they are competent in their lives. It is proposed as an objective to evaluate if the student has obtained the socio-emotional competences according to the prioritized curriculum of the Ecuadorian high school. A documentary and field research is carried out, with the application of an instrument designed for the collection of data in the study population made up of students of the first semester of the Bachelor's Degree in Education Sciences, at the Faculty of Sciences of Education from Milagro State University. As a result, it was shown that the students were able to develop the skills provided for in the prioritized curriculum and are able to show them in their continuity of studies, both in their student life and in social and family life.

Prediction and control of profile for silicon steel strip in the whole tandem cold rolling based on PSO-BP algorithm

In the rolling process of silicon steel strip of the five-stand UCMW tandem cold rolling line, the quality of finished profile is the result of cooperative control of five stands, the exit profiles of the first four stands jointly decide the exit profile of the fifth stand, so it is necessary to accurately control the strip profile in the rolling process. However, the shapemeter is only typically equipped at the exit of fifth stand, making it impossible to obtain the strip profile of the first four stands. A profile prediction model for the whole tandem cold rolling based on PSO-BP algorithm is established, compared with the finite element method, this model can satisfy the demand for fast prediction of strip profile and quickly analyzing the profile change characteristics for five stands according to the adjustment of profile control parameters in the industrial field. Firstly, a 3D elastic-plastic finite element model of rolls and strip for five stands is built, and a large number of profile calculation data are as the training sample sets to build the PSO-BP model. Through the transfer calculation of strip profile between adjacent stands, the PSO-BP model of five stands is established, and the validity is verified by comparing with the actual measured data. Secondly, to improve the quality of product profile, focusing on the unreasonable setting of production parameters, many improvement schemes of WRB and WRS for five stands are designed, and the PSO-BP model is used to quickly calculate the strip profile, then comparing the result of each scheme, the optimum improvement scheme is selected, which is furtherly carried out rolling experiments in the industrial field, and the quality of strip profile is well improved. At present, the new scheme has been successfully applied to industrial production.

Propuesta de Diseño Curricular basado en el Enfoque Socioformativo para Maestría en Periodismo

The research objective was to develop a proposal that responds to the new demands and needs of journalism professionals for their adequate work performance and social contribution. For this purpose, a bibliographic search of megatrends in national and international journalism was carried out; information was also collected in a population of 40 graduates from communication schools who work in convergent journalistic companies, two directors of multiplatform media and 7 curricula from universities that They offer a master's degree in journalism. As the research is descriptive at the proposal level, with the bibliography on curricular design and taking into account the needs and demands of the labor market and society, a design proposal was developed with the socio-formative approach, elaborating the competencies of the entry and exit profile, the study plan, the curricular framework, as well as the training projects for the master's degree in journalism. The conclusions of the study indicate that the proposal will allow better work performance of professionals, the development of skills that lead them to solve real problems in the social context and improve their living conditions.

Current Safety and Hygiene Practices and Trends in Primary Schools in the Midlands Province of Zimbabwe

The Zimbabwean Primary School Education system in this 21st century caters for the new syllabus which is competence based and requires learners at all levels of education to have an exit profile. This study aims to explore the major challenges that primary school teachers in Zimbabwe face in their classrooms to keep up with Continuous Assessment Learning Areas (CALAs) which are project based. This study is hinged on a qualitative research approach which is interpretive. A case study with five purposively sampled teachers and grounded on a constructivist theory was undertaken. Semi-structured interviews and document analysis of the questions were used to collect data. Collected data which was analysed inductively, answered the study research question. Findings indicate that although CALAs is an innovative method and an emerging trend in pedagogy that allows learners to have an in-depth understanding, they pose challenges to teachers. Their downside is that they are time consuming and learners without ICT resources fail to cope. Schools and learners’ guardians/parents lack adequate resources to do CALAs which are project based and also embrace the use of technology. Teachers have negative attitudes towards CALAs and they also lack adequate technological pedagogic skills to assist the learners adequately. The study recommends that Ministry of Primary and Secondary Education (MoPSE) undertake a massive technological project to assist teachers and schools to have adequate and efficient resources that are compatible with the 21st century demands.

Three-brain methodology: the way to achieve the Ecuadorian high school graduate's exit profile

This article presents the three brains methodology proposed by Waldemar De Gregori as a way to obtain the exit profile of the Ecuadorian high school graduate and, consequently, access to higher education and a better preparation for life. A bibliographic review of projects that apply this methodology in different educational institutions is carried out in order to promote the development of skills such as leadership, teamwork, scientific research and innovation, among others. This research, with a qualitative approach, suggests the renewal of traditional methodological strategies for a methodology that allows the holistic development of the student and that enhances the values of the Ecuadorian high school graduate's exit profile.

Multi-mode instability interactions in twin jet configurations

Twin jet configurations are prone to a wide range of interactions due to flow instabilities driven by jet self-excitation and cross-excitation of one jet on another. These instability modes and associated phases are sensitive to many parameters chief among which is the exit profile of the nozzle. Extensive studies on Twin Circular nozzles and Large Aspect Ratio (AR) Twin rectangular nozzles have shown various mode coupling but, not much is known about twin jets with moderate aspect ratios (AR < 3). This study aims to understand the effect of the exit nozzle geometry on the generation of flow instabilities by comparing a Twin Rectangular nozzle (AR 2) to a Twin Square nozzle (AR 1) with identical design parameters through experimental analysis. High speed Schlieren imaging is coupled with Particle Image Velocimetry (PIV) to explore both qualitative (internal shock cell structure) and quantitative aspects (flow vorticity and turbulence) of these jets. Near field and far field acoustics are also studied to provide a wholistic understanding of the effect of mode coupling exhibited by these jets. Generation and propagation mechanisms of multi-mode instabilities which effect both nozzle orientations are also studied through Spatial and Temporal Fourier analysis.

Perceptions of, and attitudes towards, English teaching and learning in Cameroon’s technical education

<p><span lang="EN-US">This study examined the current practices, difficulties and impacts of English as second official language (ESOL) teaching and learning in secondary schools in Cameroon. It investigated the perceptions and attitudes of students, teachers and parents towards the teaching and learning of ESOL, including prevailing teaching and learning practices. This study stemmed from the observation that the exit profile of most students in technical secondary schools does not correspond to the official exit profile set out by the Ministry of Secondary Education (MINESEC). It was therefore necessary to survey students, parents, and teachers with the goal of identifying areas of concern and proposing remedial solutions. Responses of these key stakeholders selected in four education institutions (including two technical high schools and two general high schools) to questionnaires have provided data for the study. Such responses offered insights into the current situation in Cameroon’s ESOL, as well as into the possible utility of, and desire for, the development of ESOL courses aimed at students learning in technical schools. The inclusion and development of English for specific purposes (ESP) in Cameroon’s ESOL teaching and learning could help bring education stakeholders and policymakers closer to what they want to see from the country’s ESOL program.</span></p>

Influence of sidewalls on three-dimensional turbulent wall jet: An experimental and numerical approach

In this study, with the help of with and without sidewall configurations, experimental and numerical approaches are utilised to investigate the sidewall influence on a three-dimensional turbulent wall jet. The mean flow profile of the three-dimensional turbulent wall jet is measured through experimental method and compared with the numerical results. In addition, the numerical method is used to characterise the turbulence characteristics of the wall jet for both the configurations. A 200 mm square nozzle (height h=20 ± 0.5 mm) is used to generate the developing jet exit profile for the experimental results. The Reynolds number based on the jet exit velocity and nozzle height is 25,000. The numerical results are obtained by solving the Reynolds Average Navier stokes (RANS) equations with low Reynolds number k−ε turbulence models proposed by Yang and Shih and Launder and Sharma. The experimental results are obtained by a single probe hotwire anemometer and a K-type thermocouple. It is observed that the sidewall affects the temperature distribution just after the potential core region x/h=5 whereas the velocity distribution is affected in the fully developed region after the downstream location x/h=22.5. Sidewalls drastically influenced the thermal and velocity decay in wall-normal and lateral directions. It is found from the numerical simulation that the decay of maximum streamwise velocity is increased by 9%, whereas centerline temperature decay is decreased by 25% in sidewall configuration as compared to without sidewall configuration. The contour plots of temperature and velocity also exhibit the sidewall effect on the whole domain. The Reynolds shear stress <u′v′> dominates in the vertical jet centerline plane atz=0, whereas <u′w′> dominates in the lateral direction at ymax plane in both the configurations. On the vertical jet centerline plane at z=0, Reynolds shear stress <u′v′> is nearly increased by 10% in the presence of sidewall compared to without sidewall configuration. The entrainment of the ambient fluid initially decreases, but after the downstream location x/h=22.4, it increases for the case of the sidewall compared to the corresponding case without the sidewall. This happens owing to an increase in maximum turbulent kinetic energy generation inside the flow domain by 10%. The turbulent heat flux <T′V′> dominates in lateral and wall-normal shear layers in both the configurations. The correlations of decay of temperature and velocity are also suggested through numerical techniques.

Análisis documental de los perfiles de egreso vigentes de las carreras de Fisioterapia en Chile

IntroductionThe entry-level profile corresponds to a formal statement of an institution about the intended learning outcomes of a profession. This commitment includes developing a professional identity, specifying the main areas of professional activity and its key attributes. Besides, universities’ training must transparentize institutions’ commitments to their graduates and society. There is currently no standard for professional training in Physiotherapy in Chile, and it is necessary to move toward this purpose by starting with an analysis of what universities offer today. PurposeTo analyze the main areas of performance and competencies declared in the competency-based exit profile of Physiotherapy entry-level programs delivered in 2021 in Chile. Material and methodQualitative documentary research was carried out of the competency-based exit profile, published on the web sites of 41 Higher Education institutions in Chile that delivered Physiotherapy entry-level University Programs during the 2021. A thematic content analysis was carried out assisted by CAQDAS NVivo 12 pro. ResultsSeven main categories were obtained that characterize competence areas of the current competency-based exit profile in Physiotherapy entry-level programs in Chile: physiotherapist intervention; clinical reasoning in physiotherapy; promotion and prevention in health; research; health management and administration; education; and entrepreneurship and innovation. ConclusionsThe main areas of performance present in the exit profiles of the university programs of Physiotherapy in Chile were identified. A reflection would be made about the practical meanings for university professional training in Physiotherapy in Chile to respond to the present and future professionals requirements with the identity centered on the human movement as the axis of professional action.

The Claretian Community: The Exit Profile of Students at the Claret School of Barcelona

This paper provides an analysis of the exit profile of a student who completes their studies at the Claret School of Barcelona, a primary and secondary educational institution belonging to the Claretian Community in Spain. The Claret School of Barcelona is a center that is partially funded by the government, however, all students must pay tuition. The final two grades at the school, that is the baccalaureate years, are private and receive no public funding. During a five-year period (2014–2019), a group of teachers from both the primary and secondary schools, along with the management team and external psycho-pedagogical advisors with expertise in educational innovation, undertook a project to identify the values that are taught and developed during the course of a student’s compulsory educational career at the Claret School of Barcelona. To verify that the values identified by the faculty complied with the students’ reality, a questionnaire to survey students’ perceptions regarding the 14 ideal characteristics of a Claret student upon the completion of their studies was designed and validated, obtaining a CVI (content validity index) of 0.77. Completed by a total of 312 students, the results confirmed the importance of 12 of these characteristics, while two received rather low results when compared to the average score (66.04%). The characteristic which scored the lowest score was the question regarding the religious dimension of the student (question 10).

Non-isothermal mixing characteristics in the extreme near-field of turbulent jets in hot crossflow: Effects of jet exit turbulence and velocity profile

The non-reacting and reacting jets-in-crossflow (JICF) are important flow configurations for effective mixing and combustion in practical applications. Many studies in the literature examine the overall mixing characteristics of isothermal, unconfined, non-reacting JICF. This experimental study expands on our recently published work that examined mixing characteristics in the near-field of a non-reacting jet in a hot vitiated crossflow (1500 K) for the jet-to-crossflow density ratio between 3.2 and 7.8 issuing from a round jet with a fully developed turbulent pipe flow exit profile. In this study, effects of the changing jet exit velocity profile to top-hat as well as exit turbulence levels (28% and 40%) with parabolic profiles are examined. Temperature measurements were made using laser Rayleigh scattering. The jet trajectory, centerline concentration decay based on adiabatic mixing assumption, Favre-averaged scalar dissipation, and mixing time scales were compared with the previous study results. Center-plane mixing metrics indicated that top-hat and pipe flow jets behave similarly, with better near-field mixing at lower momentum flux ratios and higher density ratios. The elevated turbulence cases have a higher near-field mixing efficiency with rates that are nearly independent of momentum flux ratios above 9.3 at a constant density ratio. Scalar dissipation analysis showed that the elevated turbulence jets differ from the nominal turbulence top-hat and pipe exit jet cases with a lack of strong peaks and slightly higher upstream crossflow magnitudes. Reducing the density ratio resulted in a decrease in the windward and leeward dissipation region size and magnitude.

Prediction of exit profile distortion in forward extrusion process using Riemann mapping theorem and upper bound method

One of the substantial topics in the forward extrusion process is using theoretical methods to predict the exit profile distortion due to the non-symmetry of sections or the off-centricity of die cavity. In this paper, a new approach based on the Riemann mapping theorem and upper bound method is developed to obtain the velocity field and the strain distribution. Then, the strain distribution is determined for the die with off-centered square sections. Afterwards, the exit profile curvature is calculated using an approach based on elastic–plastic bending of beams. Theoretical results are compared to the results yielded through experimental and finite element simulation and validated. Subsequently, the effect of various parameters such as relative die length and friction factor is examined on the amount of the exit profile distortion. The results show that the obtained theory can be used to predict the strain distribution and the exit profile distortion in addition to the process pressure.

The Influence of Fan Root Flow on the Aerodynamic of a Low-Pressure Compressor Transition Duct

Abstract To reduce fuel-burn and emissions, there is a drive toward higher bypass ratio and smaller high-pressure ratio core engines. This makes the design of the ducts connecting compressor spools more challenging as the higher radius change increases aerodynamic loading. This is exacerbated at inlet to the engine core by fan root flow which is characterized by a hub-low-pressure profile and large secondary flow structures. Additionally, shorter, lighter nacelles mean that the intake may not provide a uniform inlet flow when the aircraft is at an angle of attack or subject to cross winds. Such inlet distortion can further degrade the flow entering the engine. A combination of experiments and computational fluid dynamics (CFD) has been used to examine the effects on the aerodynamics of an engine section splitter (ESS) and transition duct designed to feed the low-pressure spool of a high bypass ratio turbofan. A test facility incorporating a 1½ stage axial compressor was used to compare system performance for a flat rotor exit profile to one with a hub deficient flow. Validated Reynolds averaged Navier–Stokes (RANS) CFD was then used to further investigate the effects of increased inlet boundary layer thickness and bulk swirl distortion at rotor inlet. These changes were seen to have a surprisingly small effect on the flow at the duct exit. However, increased secondary flows were observed which degraded the performance of the ESS and significantly increased loss. Nevertheless, the enhanced mixing delayed separation in the duct suggesting that overall the design was reasonably robust albeit with increased system loss.

La atención selectiva del docente en los procesos de planeación curricular, aprendizaje y evaluación

The qualitative research conducted had as itsobject of study selective attention–amental function that regulatesthe flow of information that reaches the conscience and gives human beings asense of equilibrium and personal wholeness by selectingsome stimuli and ignoringothers – following Kahneman’s modeland the theoretical foundationsof phenomenology in relation to the teaching activities of curricular planning, learning and evaluation. An intrinsic case study was performed, usingtwo triangulated sequential questionnaires and interviews. 25 teachers from the same public school district in the Mexican state of Nuevo León participated in the study. The analysis of the data detects as arousal, the preponderance of specific contents overthe curricular elements in the planning, with partial inclusion of the methodological approach and the corresponding didactic strategy, decreasing the possibilities of achieving competence, learning outcomes expected,and the exit profile set up by theinstitution.

Civil turbofan engine exhaust aerodynamics: Impact of fan exit flow characteristics

It is envisaged that future civil aero-engines will operate with greater bypass ratios compared to contemporary configurations to lower specific thrust and improve propulsive efficiency. This trend is likely to be accompanied with the implementation of a shorter nacelle and bypass duct for larger engines. However, a short bypass duct may result in an aerodynamic coupling between the exit flow conditions of the fan Outlet Guide Vanes (OGVs) and the exhaust system. Thus, it is imperative that the design of the exhaust is carried out in combination with the fan exit profile. A parabolic definition is used to parameterise and control the circumferentially-averaged radial profiles of stagnation pressure and temperature at the fan OGV exit. The developed formulation is coupled with a parametric exhaust design approach, an automatic computational mesh generator, and a compressible flow solution method. A global optimisation strategy is devised comprising methods for Design of Experiment (DOE), Response Surface Modelling (RSM), and genetic optimisation.A combined Design Space Exploration (DSE) comprising both geometric, as well as fan exit profile variables, is performed to optimise the exhaust geometry in conjunction with the fan exit profile. The developed approach is used to derive optimum exhaust geometries for a tip, mid, and hub-biased fan blade loading distribution. It is shown that the proposed formulation can ameliorate adverse transonic flow characteristics on the core after-body due to a non-uniform bypass inflow. The hub-loaded profile was found to be most penalising in terms of exhaust performance compared to the mid and tip-loaded variants. It is demonstrated that the combined fan exit profile and exhaust geometry optimisation offers significant performance improvement compared to the fixed inflow cases. The predicted performance benefits can reach up to 0.19% in terms of exhaust velocity coefficient, depending on fan loading characteristics. A notable improvement is also noted in terms of bypass nozzle discharge coefficient. This suggests that the combined optimisation can lead to an exhaust design that can satisfy the engine mass-flow rate demand with a reduced geometric throat area, thus potentially offering further exhaust size and weight benefits.

L’approche Par Competences Et La Question De La Montee Des Inegalites Scolaires En Cote d’Ivoire. Analyse Des Pratiques Des Pratiques Enseignantes En Classe Sur Le Profil De Sortie Des Eleves Du Premier Cycle Du Secondaire En Cote d’Ivoire.

Considered as a tool to understand the academic achievements, the orientations, the access to the different sectors, the obtaining of diplomas, etc., the concept of school inequalities is the prism by which we evaluate the school, its operation and its ability to fulfill the explicit missions that are its own. We specifically question the impact of classroom teaching practices on the exit profile of students in the Science field and consequently on the graduation rate of students in the secondary education of the first cycle, which is a necessary condition of access. to have a job; and therefore a factor of school inequalities. This study aims to point out certain difficulties and obstacles observed in reading the didactic intentions of the educational programs by the teachers. Surveys based on observation grids on the one hand, audio and video recordings, and interviews on the other, were conducted on three types of teachers (competent, efficient, and expert) by discipline in each of the three disciplines of the field Science in the fourth year of junior high school. The results show that these teachers, despite their certain skills, have many shortcomings in mastering the components of the different knowledge required for effective teaching / learning. As a result, some teaching strategies have to be adjusted to fill the knowledge gap among the latter. Given these shortcomings, continuous teacher training that takes into account all disciplinary, curricular, didactic and pedagogical aspects is necessary to give the learner the desire to follow, to pursue studies, develop more skills, and consequently reduce school inequalities.

Theoretical study on particle velocity in micro-abrasive jet machining

Micro-abrasive jet machining (AJM) is an advanced subtractive machining technology with ample opportunities to form regular micro-patterns on freeform surfaces. AJM removes material mainly through erosion and abrasion, which transform kinetic energy to fracture and deform substrates. The kinetic energy of a solid particle is tightly connected to its velocity, which is the most significant source of error in precise prediction of a machined feature. The present study involves both theoretical analysis and two-dimensional axisymmetric numerical simulation of particle velocity fields at the lower end of the micro-scale. The developed model represents the finest particles in a cylindrical nozzle down to an inner diameter of 100 μm. The computed results agree well with the experimental data. It is shown that, due to viscous friction, such nozzles are significantly less efficient in terms of particle saturation with kinetic energy. The study highlights the effects of nozzle diameter and length, air pressure, particle size and density on particle velocity development through the jet field. Finally, practical recommendations and multiple regression models of maximum particle velocity, location from the nozzle exit and simplex velocity profile approximation are offered for management of particle kinetic energy.

Promotion of Learner Autonomy in a Freshmen’s English Course at a Colombian University

This paper presents the results of an Action-Research cycle conducted at Universidad del Valle, which aimed at fostering learner autonomy in freshmen from a foreign languages program, within an English course. The study established the freshmen’s entrance profile regarding learner autonomy, and implemented a course based on the development of autonomous behaviors. Finally, an exit profile was established to measure the impact of the intervention. The results show significant progress in the development of some behaviors and suggest that this type of initiatives need to be planned in a long-term basis.

Technical Note: Penumbral width trimming in solid lung dose profiles for 0.9 and 1.5 T MRI‐Linac prototypes

Longitudinal magnetic fields narrow beam penumbra and tighten lateral spread of secondary electrons in air cavities, including lung tissue. Gafchromic® EBT3 film was used to investigate differences between penumbra in solid water and solid lung, without a magnetic field (0 T) and with two field strengths (0.9 and 1.5 T). The first prototype of the Australian MRI-linac consisted of a 1.5 T Siemens Sonata MRI and Varian industrial linatron (nominal 4 MV). The second prototype replaced the Sonata with a 1.0 T Agilent split-bore magnet. Measurements were completed at 0.9 T to maintain the same source-to-surface distance between set-ups. Gammex-rmi® solid water with 50 mm of CIRS solid lung inserted as a lung cavity was positioned inside each magnet. This was compared to the same set-up with solid water only, where film measurements were completed at solid water equivalent depths corresponding to entrance interface/mid/exit interface positions of solid lung from the first set-up. Multileaf collimator (MLC)-defined field sizes were set to 3 × 3 cm2 and 10 × 10 cm2 . The 80%-20% penumbral width was determined. Under 1.5 T conditions, penumbra narrowing occurred up to 4.4 ± 0.1 mm compared to 0 T. As expected, the effect was less for 0.9 T, which resulted in a maximum narrowing of 2.5 ± 0.1 mm. Exit profile penumbra were more affected than entrance penumbra by up to 2.6 ± 0.2 mm. The 1.5 T field brought the solid water and lung penumbral widths more into alignment by a maximum difference of 0.4 ± 0.1 mm. The trimming of penumbral widths due to magnetic fields in solid water and lung was demonstrated and compared to 0 T. The 0.9 and 1.5 T field trimmed the penumbra by up to 2.5 ± 0.1 mm and 4.4 ± 0.1 mm respectively.