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Secondment: The Meuse River

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Second nature

Happiness and (mis)fortune are very individual matters of different origins: mental and material. They can not be (directly) traced back to each other. Prosperity can always turn into adversity and vice versa. This does not alter the fact that someone who has made courage or cheerfulness her second nature, has a different attitude to life than someone who, for example, has made lability into second nature. So if we can not opt for fame and fortune, we can choose to develop our second nature, and it is precisely those choices (plural) that make us who we are!

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Teaching content through Dutch as a second language

Within the Netherlands, Content and Language Integrated Learning (CLIL) in foreign language teaching can be considered a sibling of 'Language Oriented Content Teaching' (LOCT), a pedagogy in mainstream classes with second language learners of Dutch, where Dutch is used as language of instruction. This article characterizes two decades of research on LOCT through Dutch in multilingual schools and discusses its relevance for CLIL development.

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On second thoughts

Art is a mirror of society. Thanks to our communication technology, which has made possible globalization and associated scaling-up, a few giants have emerged, leaving everyone else unintentionally ... dwarfs. In our world, the ordinary is sometimes ridiculously magnified. In Maurizio Cattelan 's famous ductaped banana, art does what I think it should do: touch emotions, encourage reflection and discussion. But here too the first outrage has increased enormously and the reflection that follows - the second thought - has seldom or not been heard.

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Pragmatic research tactics for starting IT engineers

Peer reviewed research paper SEFI Engineering Education congress 2018 Within higher engineering education, students have to learn to close knowledge gaps that arise in professional assignments, such as capstone projects. These knowledge gaps can be closed through simple inquiry, but can also require more rigorous research. Since professionals work under tight constraints, they face constant trade-offs between quality, risk and efficiency to find answers that are acceptable. This means engineers use pragmatic research tactics that aim for the highest chance to find answers that fit sufficiently to close knowledge gaps in order to solve the problem with optimal use of time and resources. The problem is that research and problem-solving literature richly supplies solid strategies suitable to plan the research in projects as a whole, but hardly supplies flexible tactics to search for information within a project. This paper reports pragmatic tactics that starting bachelor engineering professionals use to acquire sufficiently good answers to questions that arise in the context of their assignments. For this, we conducted semi-structured interviews among computer science engineers with three to five years of work experience. The study reveals three pragmatic tactics: concentric, iterative and probe-response. The ambition level of the project determines when questions are sufficiently answered, and we distinguish tree sufficiency levels: check for viable answer, boost critical demand and change the game. The aim of this research is to add a view that makes pragmatic research choices for novice engineers more open to discussion and realistic.

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Pragmatic research tactics for starting IT engineers

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HiPerGreen newsletter 3

Students, researchers, professors and company representatives gathered to share progress and ideas at the second half-year symposium of HiPerGreen at the World Horti Center in Naaldwijk. HiPerGreen is a Raak MKB subsidised research project aiming to bring value to horticultural growers. Cock Heemskerk, head of the HiPerGreen project and lector Robotica at InHolland University of Applied Sciences, welcomed everyone and gave an overall status update. Then Lucien, Fesselet project manager at HiPerGreen, talked about the minimal viable product (MVP) to make automated detection of fusarium in Phalaenopsis (a type of orchid) possible. Three consortium partners were invited to explain what they do for HiPerGreen and what their motives for participation are: Igno Breukers (DB2-Vision, start-up of a new type of multispectral camera for Precision Agriculture), Tim Brander (head grower at Hazeu Orchids) and Tom Kearny-Mitchel (plant biology advisor at Applied Drone Innovations). Next several students summarised their team’s work, findings and failures to the audience. During the live demo Lucien unveiled one of the team’s newly-built technologies: live stream thermal images of plants. The sympoium was concluded with a brainstorm session and drink.

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Development of a second-order dynamic stall model

Dynamic stall phenomena carry the risk of negative damping and instability in wind turbine blades. It is crucial to model these phenomena accurately to reduce inaccuracies in predicting design driving (fatigue and extreme) loads. Some of the inaccuracies in current dynamic stall models may be due to the fact that they are not properly designed for high angles of attack and that they do not specifically describe vortex shedding behaviour. The Snel second-order dynamic stall model attempts to explicitly model unsteady vortex shedding. This model could therefore be a valuable addition to a turbine design software such as Bladed. In this paper the model has been validated with oscillating aerofoil experiments, and improvements have been proposed for reducing inaccuracies. The proposed changes led to an overall reduction in error between the model and experimental data. Furthermore the vibration frequency prediction improved significantly. The improved model has been implemented in Bladed and tested against small-scale turbine experiments at parked conditions. At high angles of attack the model looks promising for reducing mismatches between predicted and measured (fatigue and extreme) loading, leading to possible lower safety factors for design and more cost-efficient designs for future wind turbines.

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Designing and Evaluating Iconic Gestures for Child-Robot Second Language Learning

In this paper, we examine the process of designing robot-performed iconic hand gestures in the context of a long-term study into second language tutoring with children of approximately 5 years old. We explore four factors that may relate to their efficacy in supporting second language tutoring: the age of participating children; differences between gestures for various semantic categories, e.g. measurement words, such as small, versus counting words, such as five; the quality (comprehensibility) of the robot’s gestures; and spontaneous reenactment or imitation of the gestures. Age was found to relate to children’s learning outcomes, with older children benefiting more from the robot’s iconic gestures than younger children, particularly for measurement words. We found no conclusive evidence that the quality of the gestures or spontaneous reenactment of said gestures related to learning outcomes. We further propose several improvements to the process of designing and implementing a robot’s iconic gesture repertoire.

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Towards the second cycle of PIAAC

One of the core elements of the Programme for the International Assessment of Adult Competencies (PIAAC) is a survey of adult skills. The survey measures adults’ proficiency in literacy, numeracy, and problem solving in technology-rich environments. Furthermore, the survey gathers data on how adults use their skills at home, at work and in the wider community. The second cycle of PIAAC will take place in 2021 and 2022. Preparations have started by the Numeracy Expert Group in reviewing the numeracy framework used in the first cycle and designing items which will be used to measure the numerate capabilities and numerate behavior of adults.

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Producten 2.781

Secondment: The Meuse River

Second nature

Teaching content through Dutch as a second language

On second thoughts

Pragmatic research tactics for starting IT engineers

HiPerGreen newsletter 3

Development of a second-order dynamic stall model

Designing and Evaluating Iconic Gestures for Child-Robot Second Language Learning

Towards the second cycle of PIAAC

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Producten 2.781

Secondment: The Meuse River

Second nature

Teaching content through Dutch as a second language

On second thoughts

Pragmatic research tactics for starting IT engineers

HiPerGreen newsletter 3

Development of a second-order dynamic stall model

Designing and Evaluating Iconic Gestures for Child-Robot Second Language Learning

Towards the second cycle of PIAAC