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This paper aims to present an experimental investigation of an active flow control solution mounted at rear of a sport utility vehicle (SUV) with the objective of drag reduction, thanks to a selection of flow control parameters leading to a pressure increase on the tailgate.

A flow control design of experiments was conducted with a pulsed jet system mounted on the top and sides of the rear window of the vehicle. The wall pressure, instantaneous velocity and drag were measured with this prototype in a wind tunnel. A dynamic modal decomposition (DMD) analysis of the pressure enables to describe the pressure fluctuations. Fluid dynamic computations show relation between pressure and velocity fields.

Measurements with this prototype in the wind tunnel revealed small improvements in drag for the best flow control configurations. This small benefit is because of the core of the upper span wise vortex further away from the rear window than the lower span wise vortex. These small improvements in drag were confirmed with pressure measurements on the rear window and tailgate. The DMD analysis of the surface pressure showed a low frequency pendulum oscillation on the lower area of the tailgate, linked with low velocity frequencies in the shear layers near the tailgate.

Experimental and numerical results show interest to increase pressure at bottom of the rear end of this SUV prototype. The dynamic description of the wall pressure shows importance of flow control solutions reducing pressure fluctuations at low frequencies in the lower area of the tailgate.

The economic and financial picture of the whole world in the early 1980s does not look at all good despite the optimistic rhetoric used by the leaders of the seven major industrial democracies during the May 1983 Summit Conference held in Williamsburg, Virginia, USA. Almost everywhere there are artificial monetary injections to produce another problematic boom with the well‐known residual effects, negative social and financial consequences. But beyond there are no visible signs that on this road the prevailing conditions of disequilibrium embedded in contemporary economies will vanish and a new, better international economic and financial order will emerge.

The purpose of this paper is to introduce a comprehensive framework that covers the major dimensions of performance-oriented office environments including involved actors and performance parameters on the one hand, and the processes and success factors of implementation and change management of such workspace projects on the other hand, with their interaction to be considered as well. This framework can serve as a first guideline and rough “checklist” to support such projects, both in research and practice.

The framework was developed and refined by combining international literature analyses, industry experience from the authors and application of first conceptual ideas to a pilot project. The methodology of the whole endeavor, not only this paper, is a grounded theory approach, acknowledging the intermediate state of prior theory regarding workspace change projects. The framework will thus be further developed with additional case-based empirics in the future.

The framework addresses the design parameters (the content) of (re)developing performance-oriented office environments as well as the management (the processes) of this (re)development including its implementation. Due to the considerable number of dimensions and factors relevant for workspace projects in addition to their interaction and dependency as well as the individuality of situation and stakeholders, the probability of workspace project failure is high. Knowing the parameters of workspace change project success and measures to be tracked and checked during the design and implementation processes of such projects is therefore imperative. Suggestions for operationalizing the relevant factors are made. Equally important is to understand and address individual emotions and concerns of those being involved in or affected by the change situation, and to inform and include them adequately. The comprehensive framework provides a respective first overview.

The framework is conceptual, based on many sources. Yet, the exhaustive inclusion of all research on the many relevant factors is neither feasible nor intended. The paper rather tries to be comprehensive on the dimensions to be considered and to only exemplarily concretize how to handle this complexity in a manageable and practical way. Future research needs to test and adapt the proposed framework, to detail key performance indicators (KPIs), indicators and processes suggested, and to develop an according planning and controlling system.

The paper pictures key aspects for the effective design and change management of holistic workspace projects. KPIs as well as leading indicators are introduced that can be used to measure the various dimensions in an ongoing process throughout all phases of the project, enabling the organization to anticipate or at least rapidly react to problems arising. Accordingly, success factors for managing workspace change are collected and structured along the workspace dimensions including actors and performance.

The originality of this study lies in the approach to comprehensively integrating design and change management parameters of workspace projects, the explicit performance orientation and the inclusion of the multitude of actors (i.e. users, facilities management, Human Resources, ICT). Instead of the design and its implementation only being supported by change management, the organizational environment and its needs – like way of working, organization models, performance priorities and change capabilities – are driving the design, which constitutes a new approach in the design activity.

A gluten-free diet is the only possible treatment for coeliac disease, but studies about the nutritional content of gluten-free products and coeliac individual's diet quality are scarce. The purpose of this paper is to evaluate the availability, price, and nutritional composition of gluten-free products in retail stores of a Brazilian capital city.

All retail stores listed by the Brazilian Coeliac Association as gluten-free product selling places in the city of Florianópolis were visited. All available products were catalogued and their labels analysed for nutritional content. Similar gluten-containing products were systematically selected in order to allow comparisons. t-test, analyses of covariance, and cluster analysis were performed, all considering a 5 per cent significance level.

Availability and variety of gluten-free products was limited and prices were high. Cluster analysis found similarities in the nutritional content of gluten-free and conventional food products, suggesting that although raw materials different than wheat were being employed, the composition patterns are the same. Certain advantages in the composition of gluten-free products were observed, regarding mainly calories and sodium, however, protein and dietary fibre values were inferior.

Results observed may negatively impact diet adherence and stimulate the intake of conventional products with harmful consequences to the quality of life and health of coeliac individuals.

This paper conducted a careful evaluation of nutrition composition of gluten-free products from different categories, available in retail stores, which is rare in researches on this topic. Moreover, results call attention to the need of better care in product formulation and dietary guidance for coeliac individuals.

The economic science is again in a crisis and a new solution prolegomena to any future study in economics, finance and other social sciences has just been published by the International Institute of Social Economics in care of the MCB University Press in England. The roots of the major financial and economic problems of our time lie in an open conflict between theory and practice. In the 1930s and before the conflict was between classical theory and given realities. In the 1990s the conflict appears between the now prevailing modern, Keynesian theory and the actual realities. In addition during the twentieth century a great argument developed between the two schools of thought, argument which is not yet settled. In one sentence, the prolegomena tried and was successful to solve the conflict between theory and practice and the big doctrinal dispute of the twentieth century. It was a struggle of research and observation over half a century between 1947 and 1997.