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Article
Publication date: 8 February 2021

Pradeep Uttam Gaikwad, Senthil Gnanamani and Nithya Subramani

The purpose of this paper is to find the pressure and the knocking phenomena. To get the pressure values, the butterworth bandpass filter was used and the potential of…

Abstract

Purpose

The purpose of this paper is to find the pressure and the knocking phenomena. To get the pressure values, the butterworth bandpass filter was used and the potential of knocking was found by using peak-to-peak pressure values and also the species concentration. Cooled exhaust gas recirculation was the method used to minimize the knocking occurrence in the engine. Moreover, the effect of premixed methanol and start of engine (SOI) on knocking were also determined.

Design/methodology/approach

This paper deals with the compression ignition engine to investigate the unfavorable knocking behavior. The tests were carried out with the 3D model of engine fueled with waste cooking oil blended with TiO2. A number of tests were taken to find the pressure variation and the species concentration at eight different locations in the computational model.

Findings

In doing the tests, the positive intended outcome was achieved. From results, it is clear that the SOI and premixed methanol mitigated the knocking process.

Originality/value

The species concentration and pressure in the form of filtered signal were proved to be the ideal methods for evaluating the knocking event in the engine.

Details

Aircraft Engineering and Aerospace Technology, vol. ahead-of-print no. ahead-of-print
Type: Research Article
ISSN: 1748-8842

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Article
Publication date: 1 October 1997

J.K. Donnelly and E.I. Stentiford

States that the presence of Cryptosporidium oocysts in potable water supplies continues to be a high profile problem in the UK and the USA, causing concern among public…

Abstract

States that the presence of Cryptosporidium oocysts in potable water supplies continues to be a high profile problem in the UK and the USA, causing concern among public health officials and those responsible for water treatment. Reviews the current status of knowledge about this troublesome parasite and considers water treatment options.

Details

Environmental Management and Health, vol. 8 no. 4
Type: Research Article
ISSN: 0956-6163

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Article
Publication date: 1 December 2001

Andrej Kovacic

The main goal of the paper is to present the characteristics of business renovation efforts in Slovenia. Renovation is presented as the highest level of strategy for…

Abstract

The main goal of the paper is to present the characteristics of business renovation efforts in Slovenia. Renovation is presented as the highest level of strategy for managing change that commonly cannot be handled by continuous improvement and reengineering methods or organizational restructuring. The research is based on the questionnaire about BPR projects implemented in Slovenian organizations. The results of the research are analysed. The paper focuses on using business renovation concept, as well as on the necessity for developing an information system that will be able to successfully support renovated processes. It stresses necessity for changes in organizations. Organizations become more reactive and self‐adaptive, faster to respond and capable of dealing with the changing environment.

Details

Business Process Management Journal, vol. 7 no. 5
Type: Research Article
ISSN: 1463-7154

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Article
Publication date: 17 April 2007

Chung‐Ching Chiu, Chih‐Hung Tsai and Yi‐Chan Chung

In the early industrial age which with high intensity of machine and labor, using financial measurement index was good enough to tie in company’s mechanization and…

Abstract

In the early industrial age which with high intensity of machine and labor, using financial measurement index was good enough to tie in company’s mechanization and philosophy of management and been in efficiency. But being comply with “New Economic age,” a new economic environment is full of knowledge and information, the enterprise competition had changed from tangible assets, plants to intangible innovation ability of knowledge. As recognizing the new tendency by enterprise, they value gradually the growth and influence from learning. Practice of organization learning not only needs firm structure and be in coordination with both hardware and software, but also needs an affect measurement model to offer enterprise to estimate learning performance. It’s a good instrument of financial performance measure mold in the past years, But it’s for measuring the past, couldn’t formulate enterprise trend to future, hard to estimate investment for future, such as development of products, organization learning, knowledge management etc, as which intangible assets and knowledge ability just the key factors of being win around competition environment in the future. In 1992, Kaplan and Norton brought up Balance Scorecard (BSC) on Harvard Business Review, as an instrument helping enterprise to measure performance, which is being considered to be a most influence management instrument. It added non‐financial index such as customer, internal process and learning growth besides traditional financial index, as offering enterprise an index to measure and manage intangible assets and intellectual property. As being aware of organization learning is hard to be ignored in the new economic age, this research is based on learning and growth of BSC, and citing one national material company try to let the most difficult measurement performance of organization learning, to be estimate through BSC, analyze of factor and individual case, to discuss the company how to make the related strategy and vision of organization learning to develop learning and growth of the structure of BSC, subject the matter of out put factors to be discussed, and measure the outcomes as a result of research. The research affect offers (1) the base implement procedure of carrying out BSC; (2) the reference of formulating measurement index while enterprise using BSC to estimate performance of organization learning; (3) the possibility bottleneck maybe forcing while carrying out BSC, to be an improvement or preventive for enterprise.

Details

Asian Journal on Quality, vol. 8 no. 1
Type: Research Article
ISSN: 1598-2688

Keywords

Content available
Article
Publication date: 12 June 2019

Ximena Alejandra Flechas Chaparro, Leonardo Augusto de Vasconcelos Gomes and Paulo Tromboni de Souza Nascimento

The purpose of this paper is to identify how project portfolio selection (PPS) methods have evolved and which approaches are more suitable for radical innovation projects…

Abstract

Purpose

The purpose of this paper is to identify how project portfolio selection (PPS) methods have evolved and which approaches are more suitable for radical innovation projects. This paper addressed the following research question: how have the selection approaches evolved to better fit within radical innovation conditions? The current literature offers a number of selection approaches with different and, in some cases, conflicting nature. Therefore, there is a lack of understanding regarding when and how to use these approaches in order to select a specific type of innovation projects (from incremental to more radical ones).

Design/methodology/approach

Given the nature of the research question, the authors perform a systematic literature review method and analyze 48 portfolio selection approaches. The authors then classified and characterized these articles in order to identify techniques, tools, required data and types of examined projects, among other aspects.

Findings

The authors identify four key features related to the selection of radical innovation projects: dynamism, interdependency management, uncertainty treatment and required input data. Based on the content analysis, the authors identified that approaches based on different sources and nature of data are more appropriated for uncertain conditions, such as behavioral methods, information gap theory, real options and integrated approaches.

Originality/value

The research provides a comprehensive framework about PPS methods and how they have been evolving over time. This portfolio selection framework considers the particular aspects of incremental and radical innovation projects. The authors hope that the framework contributes to reinvigorating the literature on selection approaches for innovation projects.

Details

Revista de Gestão, vol. 26 no. 3
Type: Research Article
ISSN: 2177-8736

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Article
Publication date: 10 June 2021

Kelum Jayasinghe

This study aims to address the possibility of integrating some elements of the “radical constructivist” approach to management accounting teaching. It answers the…

Abstract

Purpose

This study aims to address the possibility of integrating some elements of the “radical constructivist” approach to management accounting teaching. It answers the following two questions: to what extent should management accounting educators construct a “radical constructivist” foundation to guide active learning? Then, in which ways can management accounting educators use qualitative methods to facilitate “radical constructivist” education?

Design/methodology/approach

The study uses a teaching cycle that implements innovative learning elements, e.g. learning from ordinary people, designed following the principles of “radical constructivism”, to engage students with “externalities” at the centre of their knowledge construction. It adopts an ethnographic approach comprising interviews and participant observation for the data collection, followed by the application of qualitative content and narrative analysis of the data.

Findings

The study findings and reflections illustrate that the majority of students respond positively to radical constructivist learning if the educators can develop an innovative problem-solving and authentic environment that is close to their real lives. The radical constructivist teaching cycle discussed in this study has challenged the mindsets of the management accounting students as it altered the traditional objectivist academic learning approaches that students were familiar with. Its use of qualitative methods facilitated active learning. Student feedback was sought as part of the qualitative design, which provided a constructive mechanism for the students and educators to learn and unlearn from their mistakes. This process enriched the understanding of learners (students) and educators of successful engagement in radical constructivist management accounting education and provides a base upon which to design future teaching cycles.

Originality/value

The paper provides proof of the ability of accounting educators, as change agents, to apply radical constructivist epistemology combined with multiple qualitative research methods by creating new constructive learning structures and cultures associated with innovative deep-learning tasks in management accounting education.

Details

Qualitative Research in Accounting & Management, vol. 18 no. 2
Type: Research Article
ISSN: 1176-6093

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Article
Publication date: 4 June 2021

Luis Lisandro Lopez Taborda, Heriberto Maury and Jovanny Pacheco

There are many investigations in design methodologies, but there are also divergences and convergences as there are so many points of view. This study aims to evaluate to…

Abstract

Purpose

There are many investigations in design methodologies, but there are also divergences and convergences as there are so many points of view. This study aims to evaluate to corroborate and deepen other researchers’ findings, dissipate divergences and provide directing to future work on the subject from a methodological and convergent perspective.

Design/methodology/approach

This study analyzes the previous reviews (about 15 reviews) and based on the consensus and the classifications provided by these authors, a significant sample of research is analyzed in the design for additive manufacturing (DFAM) theme (approximately 80 articles until June of 2017 and approximately 280–300 articles until February of 2019) through descriptive statistics, to corroborate and deepen the findings of other researchers.

Findings

Throughout this work, this paper found statistics indicating that the main areas studied are: multiple objective optimizations, execution of the design, general DFAM and DFAM for functional performance. Among the main conclusions: there is a lack of innovation in the products developed with the methodologies, there is a lack of exhaustivity in the methodologies, there are few efforts to include environmental aspects in the methodologies, many of the methods include economic and cost evaluation, but are not very explicit and broad (sustainability evaluation), it is necessary to consider a greater variety of functions, among other conclusions

Originality/value

The novelty in this study is the methodology. It is very objective, comprehensive and quantitative. The starting point is not the case studies nor the qualitative criteria, but the figures and quantities of methodologies. The main contribution of this review article is to guide future work on the subject from a methodological and convergent perspective and this article provides a broad database with articles containing information on many issues to make decisions: design methodology; optimization; processes, selection of parts and materials; cost and product management; mechanical, electrical and thermal properties; health and environmental impact, etc.

Details

Rapid Prototyping Journal, vol. 27 no. 5
Type: Research Article
ISSN: 1355-2546

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Abstract

Details

Radical Transparency and Digital Democracy
Type: Book
ISBN: 978-1-80043-763-0

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Article
Publication date: 8 June 2015

Mark Bieraugel

The purpose of this paper is to argue the case that libraries should use the lean startup method for developing, managing and launching radically innovative services or…

Abstract

Purpose

The purpose of this paper is to argue the case that libraries should use the lean startup method for developing, managing and launching radically innovative services or products.

Design/methodology/approach

Libraries need to innovate but do not have the management structure to handle the extreme uncertainty in implementing radical innovations. This paper examines the lean startup method for managing innovation, explores how it differs from traditional management tools, outlines the reasons for and barriers to innovation in libraries and highlights the new tools required to manage innovation. This paper also discusses the culture of innovation in libraries and how libraries innovate. The lean startup method is examined through the lens of a variety of innovation models.

Findings

The lean startup method for managing radical innovations is shown to be a sound alternative to traditional library management methods.

Originality/value

This paper is one of the few to examine a practical method for librarians to manage radical innovations in academic libraries.

Details

Library Management, vol. 36 no. 4/5
Type: Research Article
ISSN: 0143-5124

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Article
Publication date: 22 May 2009

Richu Singla, Moushumi Ghosh and Abhijit Ganguli

The purpose of this paper is to evaluate the total polyphenolics, flavonoids and antioxidant properties of a ready to‐eat snack food prepared from Agaricus bisporous. A…

Abstract

Purpose

The purpose of this paper is to evaluate the total polyphenolics, flavonoids and antioxidant properties of a ready to‐eat snack food prepared from Agaricus bisporous. A comparison of these properties with the raw, unprocessed mushroom was also carried out.

Design/methodology/approach

Extracts of raw and snack mushrooms (osmotically dehydrated, dried and spiced and following sensorial analysis) were analyzed for antioxidant activities using DPPH and ABTS radical scavenging methods. Flavonoids were determined by the method of Jia et al. Total polyphenolics (free and bound) were determined by the Folin‐Ciocalteu method; reducing power and hemolysis inhibition of the extracts were determined by the methods of Oyaizu and Zhang et al.

Findings

Scavenging activity of free extracts of raw and dry snack mushrooms on DPPH radical were 76 per cent and 72 per cent respectively. The ABTS radical scavenging activity of the free extracts of raw sample was 2.76 mg ascorbic acid equivalents/100 g and 2.67 mg ascorbic acid equivalents/100 g snack mushroom. Both free and bound polyphenolic contents in mushroom snacks were slightly higher than raw mushrooms, total flavonoids levels decreased marginally in snack mushrooms. Hemolysis inhibition was decreased (marginally) in free extract of snack mushroom as compared to raw mushroom whereas total reducing power of snack mushroom extract increased significantly. The antioxidant status was unaffected following storage of the snack at ambient temperature for up‐to 15 days.

Research limitations/implications

Mushrooms snacks may serve as a good alternative for currently existing snack foods since they retain a significant amount of polyphenolics and antioxidants; mixed with other commonly used snack foods it may provide beneficial health effects to the consumers economically.

Practical implications

A simple, economical process for preparation of Agaricus bisporous snack using sequential application of osmotic dehydration and drying was optimized; the snack mushrooms possessed functional properties comparable to raw, unprocessed mushrooms.

Originality/value

This paper reports for the first time a simple, economical process for preparation of functional snack food from mushrooms.

Details

Nutrition & Food Science, vol. 39 no. 3
Type: Research Article
ISSN: 0034-6659

Keywords

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