Experimental design, development and testing of novel aluminum mini wind turbine

2020 ◽  
Author(s):  
Bhimrao A. Shivsharan ◽  
Pramod B. Magade ◽  
Shrirang Chavan ◽  
Sushilkumar Magade
Keyword(s):  
Experimental Design ◽  
Wind Turbine ◽  
Design Development

Wind Turbine Installation Vessel of a New Generation

2011 ◽  
Author(s):  
Alexei Bereznitski
Keyword(s):  
Wind Turbine ◽  
Design Development ◽  
Active Motion ◽  
New Type ◽  
Hoisting System ◽  
Transit Speed ◽  
Short Time ◽  
New Generation ◽  
Turbine Installation ◽  
Construction Works

A new type of the wind turbine installation vessel is developed. The concept utilizes the Small Waterplane Area Twin Hull (SWATH) vessel. High transit speed, excellent seakeeping, and quick installation sequence allow placing a large number of wind turbines within short time minimizing the time of offshore construction works. The paper deals with the design development of this concept. Such major subjects as seakeeping, model testing in seakeeping tank, wind turbine landing sequence, and the workability are covered in the paper. Special attention will be given to the design of the active motion compensation system applied in the hoisting system. Dynamic behavior of this system is studied. The motions of the vessel are also compensated by dedicated active anti roll and anti-pitch systems. These systems were also tested in a seakeeping tank.

scholarly journals An Enriched Customer Journey Map: How to Construct and Visualize a Global Portrait of Both Lived and Perceived Users’ Experiences?

Designs ◽  
2020 ◽  
Vol 4 (3) ◽  
pp. 29
Author(s):  
Juliana Alvarez ◽  
Pierre-Majorique Léger ◽  
Marc Fredette ◽  
Shang-Lin Chen ◽  
Benjamin Maunier ◽  
...  
Keyword(s):  
Experimental Design ◽  
User Experience ◽  
Data Driven ◽  
Design Development ◽  
Research Methodologies ◽  
Customer Journey ◽  
Development Team ◽  
Clustering Approach ◽  
Implicit Data ◽  
Measurement Approach

Design is about understanding the system and its users. Although User Experience (UX) research methodologies aim to explain the benefits of a holistic measurement approach including explicit (e.g., self-reported) and implicit (e.g., automatic and unconscious biophysiological reactions) data to better understand the global user experience, most of the personas and customer journey maps (CJM) seen in the literature and practice are mainly based on perceived and self-reported users’ responses. This paper aims to answer a call for research by proposing an experimental design based on the collection of both explicit and implicit data in the context of an authentic user experience. Using an inductive clustering approach, we develop a data driven CJM that helps understand, visualize, and communicate insights based on both data typologies. This novel tool enables the design development team the possibility of acquiring a broad portrait of both experienced (implicit) and perceived (explicit) users’ experiences.

Knowledge mobilisation in sub-Saharan Africa: an impact evaluation of CPDL in improving primary school children’s performance

2021 ◽  
Vol ahead-of-print (ahead-of-print) ◽  
Author(s):  
Miriam Mason ◽  
David Galloway
Keyword(s):  
Experimental Design ◽  
School Improvement ◽  
Impact Evaluation ◽  
Controlled Trial ◽  
Sub Saharan Africa ◽  
Design Development ◽  
Knowledge Mobilisation ◽  
Content Type ◽  
Quasi Experimental ◽  
The Impact

PurposeA non-governmental organisation (NGO) with schools in Sierra Leone prioritises admission of the most disadvantaged children but nevertheless achieves high educational and social standards. These schools were asked to provide continuing professional development and learning (CPDL) for other schools. This paper aims to report the design, development and delivery of CPDL which aimed to mobilise effective practices more widely. It also reports the design and results of an impact evaluation.Design/methodology/approachIt was recognised that CPDL delivered by foreigners would be (1) unaffordable in this impoverished West African country and (2) culturally inappropriate. It was therefore delivered by local teachers from the NGO's own schools. Most had obtained no formal teaching qualification. They were trained to collect data using a quasi-experimental design for an impact evaluation of children's attendance and literacy. A total of five schools participated in the CPDL, with ten control schools.FindingsA largely unqualified team succeeded in mobilising knowledge in the experimental schools. Children's attendance in experimental schools improved over that in control schools. Performance in literacy also improved significantly and was maintained at follow-up.Research limitations/implicationsFindings of the impact evaluation are seen as indicative rather than causal because a quasi-experimental study was conducted rather than a randomised controlled trial.Originality/valueThis lies in (1) teachers in schools with a severely disadvantaged intake providing a structured programme of CPDL for teachers in other schools; (2) school improvement through knowledge mobilisation in CPDL; (3) an impact evaluation with a quasi-experimental design showing improvement in children's performance.

scholarly journals Experimental results of wake steering using fixed angles

2021 ◽  
Author(s):  
Paul Fleming ◽  
Michael Sinner ◽  
Tom Young ◽  
Marine Lannic ◽  
Jennifer King ◽  
...  
Keyword(s):  
Steady State ◽  
Experimental Design ◽  
Wind Turbine ◽  
Wind Direction ◽  
Wind Farm ◽  
Engineering Model ◽  
Important Data ◽  
Model Predictions ◽  
Wake Model ◽  
Good Agreement

Abstract. In this article, the authors present a test of wake steering at a commercial wind farm. A single fixed yaw offset, rather than an optimized offset schedule, is alternately applied to an upstream wind turbine and the effect on downstream turbines is analyzed. This experimental design allows for comparison with engineering wake models independent of the controller's ability to track a varying offset and correctly measure wind direction. Additionally, by applying the same offset in beneficial and detrimental conditions, we are able to collect important data for assessing second-order wake model predictions. Results of the article from collected data show good agreement with the FLOw Redirection and Induction in Steady State (FLORIS) engineering model and offer support for the asymmetry of wake steering predicted by newer models, such as the Gauss-curl hybrid model.

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