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Fuel cells technologies are the most promising green energy technologies for diverse applications. One of the fastest growing areas is the portable electronic applications where the power range is the order of 1–100 W. For most of the portable electronic devices, rechargeable battery is the major energy source. Due to limitations like limited capacity, requirement of external power for recharge have led many researchers to look for alternative power sources to power portable electronic devices. The high energy density of fuel cells makes them very attractive alternative to batteries for portable power applications. There are a variety of fuel cell technologies being considered to replace batteries in portable electronic equipment. Direct Liquid Fuel Cells (DLFCs) have attracted much attention due to their potential applications as a power source for portable electronic devices. The advantages of DLFCs over hydrogen fed PEM fuel cells include a higher theoretical energy density and efficiency, a more convenient handling of the streams, and enhanced safety. Unlike batteries, fuel cells need not be recharged, merely refueled. This paper provides an overview on challenges of DLFCs (Direct Liquid Fuel Cells), like fuel crossover, cost, durability, water management, weight and size along with approaches being investigated to solve these challenges. Portable Fuel Cell Commercialization Targets for future and producers of portable fuel cells across the globe are also discussed in this paper.

Metal matrix composites (MMC) has been a section which gives an overview of composite materials and owing to those exceptional physical and mechanical properties, particulate-reinforced aluminum MMCs have gained increasing interest in particular engineering applications. Owing to the toughness and abrasive quality of reinforcement components such as silicon carbide (SiC) and titanium carbide (TiC), such materials are categorized as difficult materials for machining. The work aims to develop the model for evaluating the machinability of the materials via the response surface technique by machining three distinct types of hybrid MMCs.

The combined effects of three machining parameters, namely “cutting speed” (s), “feed rate” (f) and “depth of cut” (d), together with three separate composite materials, were evaluated with the help of three performance characteristics, i.e. material removal rate (MRR), cutting force (CF) and surface roughness (SR). Response surface methodology and analysis of variance (ANOVA) both were initially used for analyzing the machining parameters results.

The contours were developed to observe the combined process parameters along with their correlations. The process variables were concurrently configured using grey relational analysis (GRA) and the composite desirability methodology. Both the GRA and composite desirability approach obtained similar results.

The results obtained in the present paper will be helpful for decision-makers in manufacturing industries, who work on metal cutting area especially composites, to select the suitable solution by implementing the Grey Taguchi and modeling techniques.

The originality of this research is to identify the suitability of process parameters combination based on the obtained research results. The optimization of machining parameters in turning of hybrid metal matrix composites is carried out with two different methods such as Grey Taguchi and composite desirability approach.

International business – sell-off and joint venture.

This case is suitable for graduation and post graduation (BBA, MBA) and other management programs. The courses include multinational business environment and strategic management

A significant increase in the Asian electronics business has created a global platform for international vendors and customers. Indeed, Chinese and Korean firms have become the foremost manufacturing and fabrication nucleus for electronic supplies in the world economy. In fact, it is an example of success from Asian emerging markets. This case presents the strategies of Asian rivals in the electronics business that shows both Bolipps and Canssonic redesigning and restructuring global tactics for long-term sustainable success in the given market. It also discusses the reasons behind their current mode of business and post-deal issues.

The case describes a way to impart managerial and leadership strategies from regular business operations happening in and around the world. Solely it focuses on designing inorganic choices such as sell-offs, joint ventures, shuffle and merging strategies through theory to application.

Teaching notes are available for educators only. Please contact your library to gain login details or email support@emeraldinsight.com to request teaching notes.

Scatter in the outcome of repeated experiments is unavoidable due to measurement errors in addition to the non-linear nature of the output responses with unknown influential input parameters. It is a standard practice to select an orthogonal array in the Taguchi approach for tracing optimum input parameters by conducting a few number of experiments and confirm them through additional experimentation (if necessary). The purpose of this paper is to present a simple methodology and its validation with existing test results in finding the expected range of the output response by suggesting modifications in the Taguchi method.

The modified Taguchi approach is proposed to find the optimum process parameters and the expected range of the output response.

This paper presents a simple methodology and its validation with existing test results in finding the expected range of the output response by suggesting modifications in the Taguchi method.

Adequacy of this methodology should be examined by considering the test data on different materials and structures.

The introduction of Chauvenet’s criterion and opposing the signal-to-noise ratio transformation on repeated experiments of each test run will provide fruitful results and less computation burden.

Primary and secondary data.

This case is set in the year 1987 when many parts in India were milk deficient. Seasonal and cyclical shortages were more of a norm. There were however early signals that the cooperative dairying model across the country was gaining momentum and the milk production in the country was poised for a sharp upswing.

Masuum baby food is a winning brand in Shalanda Milk Foods portfolio with a top-line revenue of Rs 300m per annum, contributing to 60% of the firm’s revenue and registering a healthy 14% annual growth.

The brand was used as an additive for tea and coffee, a purpose for which it was not intended, apart from it being used as a baby food, which of course was the intended purpose.

The World Health Organisation had proposed a code which among other things proscribed brand advertisement and promotion of baby food with a view to promote mother’s milk for infants.

Though the brand sales seemed to continue to grow, thanks to demand operating above supply, there was a realization that the brand could head into an identity crisis and the fact that it cannot speak for itself could be damning.

The protagonist in the case came up with a strategy to launch a new brand with the same composition as Masuum and in a controlled manner transfer volume from Masuum to new brand. Even while appreciating the protagonist’s recommendation, the Managing Director exhorts him to come up with a stronger rationale for launching a new product and review whether it constitutes a comprehensive solution.

This case can be used at the Master’s in business administration level in the Marketing Management course. This case should be scheduled after covering topics on segmentation, targeting, positioning and brand.

This case can also be used to introduce case methodology as it follows the framework of sharply defining a problem, explaining the relationships amongst variables, identifying and evaluating solution choices, and recommending the most effective.

The study aims to explore how Soret and Dufour diffusions, thermal radiation, joule heating and magnetohydrodynamics (MHD) affect the flow of hybrid nanofluid (Al₂O₃-SiO₂/water) over a porous medium using a mobile slender needle.

To streamline the analysis, the authors apply appropriate transformations to change the governing model of partial differential equations into a group of ordinary differential equations. Following this, the authors analyze the transformed equations using the homotopy analysis method within Mathematica software, leading to the derivation of analytical solutions. This study investigates how changing values for porous medium, MHD, Soret and Dufour numbers and thermal radiation influence concentration, temperature and velocity profiles. In addition, the research assesses the effects on local Sherwood number, skin friction and Nusselt number.

In this investigation, the authors explore the movement of a needle away from its origin ( ε > 0). As the magnetic and porous medium parameters increase, there is a correspondence decrease in the velocity profile. Simultaneously, an increase in the Dufour number and thermal radiation parameter yields to a higher temperature profile, whereas arise in the Soret number results in an enhanced concentration profile. Furthermore, growth in the magnetic field parameter is correlated with a reduction in skin friction, Nusselt and Sherwood numbers. In addition, an examination of the data reveals that an escalation in the thermal radiation parameter is associated with an elevation in the Nusselt number. Moreover, an elevation in the Dufour number results in an augmentation in the Nusselt number.

These results have practical applications across diverse fields, including heat transfer enhancement, energy conversion systems, advanced manufacturing and material processing.

This study is distinctive in its investigation of the flow of hybrid nanofluid (Al₂O₃-SiO₂/water) over a slender, moving needle. The analysis includes joule heating, MHD, porous medium, thermal radiation and considering the effects of Soret and Dufour.

The case is written based on general experience.

Zealvita is a challenger brand to NutriMalt in the white malted food drink (MFD) category. It has a product formula that compares favorably on taste and equally on nutrition. However, Zealvita is not able to translate the power product formula to a winning market formula. Drawing on its legacy and strong adoption route, NutriMalt built a dominant 88% market share in the White MFD category. The market rule of “disproportionate market share for the leading brand” applies with inexorable force in MFD. Smarting at the low market share, Zealvita is in search of a marketing strategy to create churn. Rajiv Product Manager of Zealvita believes that consumer sales promotion of a higher order and at a higher frequency than what is normal can tilt the scales. From Zealvita’s perspective is there a strategic advantage in operating consumer promotion? Is it safe to assume that NutriMalt will not retaliate with consumer promotion? Can consumer sales promotion be sustained at planned frequency? What is the logic in a continuous consumer promotion program?

This case can be used at the post-graduate level in the Marketing Strategy course or in a course that has a sales promotion management or competition management segment. This case is also appropriate for use in executive education programs.

Teaching notes are available for educators only. Please contact your library to gain login details or email support@emeraldinsight.com to request teaching notes.

corporate policy and strategy – mergers and acquisitions.

Post graduation (MBA and other management degrees). It includes courses on Strategic Management, Business Environment and International Business.

Markets are becoming highly connective, accessible and communicative and reaching maturity at a very high phase. Acquisition is a choice to enhance the emerging and diversified markets. This case paper presents insights on Vedanta – Cairn India cross-border acquisition deal in Indian oil and exploration industry. This case synchronizes the gap between strategic planning and outcome of actions. The study exclusively evidences the reaction of stocks of all attached parties against acquisition announcement and compares with market performance.

Strategic mapping of business negotiations, while in-organic choices, further the impact of economic, political, legal and regulatory factors on cross-border mergers and acquisitions (M&A), deliberate deal financing mechanism and leadership diplomacy. It proposes from the viewpoint of corporate in-organic alternatives and to strengthen the upcoming research field of strategy & policy.

Global M&A market, shareholding pattern, income statement and balance sheet of Cairn India Ltd, financial figures of Vedanta Resources, tabular data on stock and index performance, deal structure and teaching note.