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This paper aims to explore the consequence of chemical reaction on three-dimensional flow, heat and mass transfer of a Casson nano liquid over exponentially stretching surface. A numerical technique of RKF-45 method is applied to resolve the nonlinear ordinary differential equations, which are obtained by applying the similarity transformation to the nonlinear partial differential system.

Role of significant parameters on flow fields are observed graphically. Also, the strength of heat exchange (Nusselt number) and the strength of mass exchange (Sherwood number) are analyzed.

The results of numerical modeling showed that, the Prandtl number plays a key role in reducing the temperature of the system. Further, the radiation parameters manufacture a lot of heat to operating fluid and higher temperature exponent parameter and enhance the temperature of the fluid.

The results of numerical modeling showed that, the Prandtl number plays a key role in reducing the temperature of the system. Further, the radiation parameters manufacture a lot of heat to operating fluid and higher temperature exponent parameter and enhance the temperature of the fluid.

The purpose of this paper is to provide a selected bibliography of recent resources on library instruction and information literacy.

Introduces and annotates English-language periodical articles, monographs and other materials on library instruction and information literacy published in 2013.

Provides information about each source, discusses the characteristics of current scholarship and describes sources that contain unique scholarly contributions and quality reproductions.

The information may be used by librarians and interested parties as a quick reference to literature on library instruction and information literacy.

The purpose of this paper is to examine the use of various search engines and meta search engines by Indian academics for retrieving information on the web. It also aims to know whether the academics use search strategy of various search engines for retrieval of information or not, and how the Indian academics learn the various search strategies for using search engines.

The data collection instruments used for this study were a questionnaire and follow-up interviews with students and faculty members. The questionnaire consisted of various questions which were designed to elicit the use of search engines, search strategies and method of leaning the search strategies of search engines. A total of 450 questionnaires were distributed, out of which 300 duly filled copies were returned, constituting a 66.66 percent response rate. The data thus collected were analysed with the help of the SPSS (version 19.0) statistical package to present the findings in percentage and test the formulated hypothesis.

The findings of the survey show that the majority of the respondents most frequently used Google (91.93 percent) and Yahoo (43.85 percent) while Dogpile and Ixquick (35.78 percent each) were less frequently used by the respondents. 65.26 percent of respondents used the search strategy for retrieving information. The study also shows that there is a significant relationship between the respondent's profession and use of search engines (p=0.018) as well use search strategies of search engines (p=0.028). Method of learning the search strategies of search engines is also associated with the respondent's profession (p=0.008).

The results of this study have clear implications for information literacy instruction in the context of search engines. The study recommends that there is a need to conduct intensive training for students and faculty members in order for them to acquire the essential search strategies for effective information retrieval. The findings of the study will be helpful to concerned authorities to enhance the effective and efficient use of search engines by the respondents.

Binder jetting is a promising route to produce complex copper components for electronic/thermal applications. This paper aims to lay a framework for determining the effects of sintering parameters on the final microstructure of copper parts fabricated through binder jetting.

The knowledge gained from well-established powder metallurgy processes was leveraged to study the densification behaviour of a fine high-purity copper powder (D₅₀ of 3.4 µm) processed via binder jetting, by performing dilatometry and microstructural characterization. The effects of sintering parameters on densification of samples obtained with a commercial water-based binder were also explored.

Sintering started at lower temperature in cold-pressed (∼680 °C) than in binder jetted parts (∼900 °C), because the strain energy introduced by powder compression reduces the sintering activation energy. Vacuum sintering promoted pore closure, resulting in greater and more uniform densification than sintering in argon, as argon pressure stabilizes the residual porosity. About 6.9% residual porosity was obtained with air sintering in the presence of graphite, promoting solid-state diffusion by copper oxide reduction.

This paper reports the first systematic characterization of the thermal events occurring during solid-state sintering of high-purity copper under different atmospheres. The results can be used to optimize the sintering parameters for the manufacturing of complex copper components through binder jetting.

The internet growth has created a new scientific communication system with new facilities that are competing with the traditional sources of information. The present study investigated impact of internet use on academic performance of teachers and researcher in university setup. The aim of this paper is to find out how these academics use internet sources and services? What is the user's satisfaction level with internet sources and services? And what problems has the user encountered when searching the information on the internet. It further aims to know how the user compares the internet sources with traditional information sources.

Questionnaires were distributed to randomly selected teachers and researchers in Kuvempu University, Karnataka state. Total 200 questionnaires were distributed out of which 140 duly filled questionnaires were returned. The questionnaire consisted of various questions which are designed for the teachers and researchers to elicit the impact of internet use on their academic performance.

This study has demonstrated the high use of the internet sources and services by teachers and researchers in university setup. Most of them used internet in support of their study and teaching. Majority of respondents learnt to use the internet through self-instruction and trial and error, with the help of friends and by reading books or papers. Study results also indicated that internet has made an impact on their academic performance (i.e. in writing more research papers, in doing better research, better learning experience, etc.).

This is the comprehensive study on the impact of internet sources and services on the academic performance of teachers and researchers in the university environment. Findings of the study will be helpful to university authority to enhance the internet facilities for effective and efficient use by the teachers and researchers. The study also suggested that there is a need to focus on opportunities for providing training on use advanced internet search skills to the academic community. Concerned authorities also need to enhance the internet bandwidth to increase the internet speed.

This paper aims to examine the perception and use of e‐resources and the internet by the engineering, medical and management academics in Bangalore City, India. The prime objective is to find out how academics compare e‐sources with print sources and how they perceive the advantages of e‐sources and problems for accessing them. It further aims to establish the extent of internet use, the purpose of such use and factors influencing it.

Data were collected from 300 students and faculty members in selected engineering, medical and management colleges of Bangalore City. The questionnaire consists of 15 main questions with many of them having a number of subsidiary questions. The questions are designed for the students and faculty members to elicit their experience with the e‐sources and internet use for their study and research work.

Study results show that the students and faculty who participated in this survey are aware of e‐sources and also the internet. Even though a majority of the academic community use electronic information sources for their academic‐related work, most of them prefer print to electronic information sources. Many of the students and faculty learned about the electronic information sources either by trial and error or through the advice of friends.

Librarians need to reallocate more budget to expand the availability of electronic resources for students and faculty. Library professionals should also help users to ascertain what high‐quality free resources are available on the internet and how to search these resources more effectively and efficiently.

This is the first comprehensive study of the use of e‐sources and internet by engineering, medical and management students and faculty members in India. Its findings will help library professionals in respective college libraries to plan for effective and efficient use of the internet to fulfil information requirements of the students and faculty members.

The purpose of this study is to explore the use of smartphone-embedded microelectro-mechanical sensors (MEMS) for accurately estimating rotating machinery speed, crucial for various condition monitoring tasks. Rotating machinery (RM) serves a crucial role in diverse applications, necessitating accurate speed estimation essential for condition monitoring (CM) tasks such as vibration analysis, efficiency evaluation and predictive assessment.

This research explores the utilization of MEMS embedded in smartphones to economically estimate RM speed. A series of experiments were conducted across three test setups, comparing smartphone-based speed estimation to traditional methods. Rigorous testing spanned various dimensions, including scenarios of limited data availability, diverse speed applications and different smartphone placements on RM surfaces.

The methodology demonstrated exceptional performance across low and high-speed contexts. Smartphones-MEMS accurately estimated speed regardless of their placement on surfaces like metal and fiber, presenting promising outcomes with a mere 6 RPM maximum error. Statistical analysis, using a two-sample t-test, compared smartphone-derived speed outcomes with those from a tachometer and high-quality (HQ) data acquisition system.

The research limitations include the need for further investigation into smartphone sensor calibration and accuracy in extremely high-speed scenarios. Future research could focus on refining these aspects.

The societal impact is substantial, offering cost-effective CM across various industries and encouraging further exploration of MEMS-based vibration monitoring.

This research showcases an innovative approach using smartphone-embedded MEMS for RM speed estimation. The study’s multidimensional testing highlights its originality in addressing scenarios with limited data and varied speed applications.

The study presents various barriers to adopt big data analytics (BDA) for sustainable manufacturing operations (SMOs) post-coronavirus disease (COVID-19) pandemics. In this study, 17 barriers are identified through extensive literature review and experts’ opinions for investing in BDA implementation. A questionnaire-based survey is conducted to collect responses from experts. The identified barriers are grouped into three categories with the help of factor analysis. These are organizational barriers, data management barriers and human barriers. For the quantification of barriers, the graph theory matrix approach (GTMA) is applied.

The study presents various barriers to adopt BDA for the SMOs post-COVID-19 pandemic. In this study, 17 barriers are identified through extensive literature review and experts’ opinions for investing in BDA implementation. A questionnaire-based survey is conducted to collect responses from experts. The identified barriers are grouped into three categories with the help of factor analysis. These are organizational barriers, data management barriers and human barriers. For the quantification of barriers, the GTMA is applied.

The study identifies barriers to investment in BDA implementation. It categorizes the barriers based on factor analysis and computes the intensity for each category of a barrier for BDA investment for SMOs. It is observed that the organizational barriers have the highest intensity whereas the human barriers have the smallest intensity.

This study may help organizations to take strategic decisions for investing in BDA applications for achieving one of the sustainable development goals. Organizations should prioritize their efforts first to counter the barriers under the category of organizational barriers followed by barriers in data management and human barriers.

The novelty of this paper is that barriers to BDA investment for SMOs in the context of Indian manufacturing organizations have been analyzed. The findings of the study will assist the professionals and practitioners in formulating policies based on the actual nature and intensity of the barriers.

The increase in automobile usage across the world has fortified the opportunities of maintenance service garages. However, there are significant numbers of challenges in front of maintenance service providers at all stages of the business. This paper identifies, analyzes and prioritizes various challenges associated with the establishment and survival of garages specific to Indian context.

In this paper, challenges for automotive service garage are identified through expert opinion, garage survey and literature. A structural hierarchical framework of the identified challenges is established through structural models, including interpretive structural modeling and analytic hierarchy process.

This paper has identified nine challenges, namely proliferation of new models and variants; technological advancements in automobile systems; demand of better service quality; space and ambience requirements; labor requirements; requirement of modern support equipments, tools and spares; safety requirements and prevention of occupational hazards; environmental norms and concerns; proper documentation requirements. The drivers and dependent variables have been identified. A hierarchical framework of challenges has been established.

This paper provides a comprehensive list of challenges and their priority in establishing an automobile maintenance garage business in Indian context. This will help the budding entrepreneurs and existing maintenance organizations to focus on the challenges that necessitate immediate attention and corrective actions.

This paper provides a significant contribution in the literature of garage maintenance services, which is established on the viewpoint of different collaborators associated with this business. This study will be a foundation to investigate further in this domain.

Various experimental groups have reported observation of both integer and fractional giant Shapiro steps in the I‐V curves of N×M arrays of superconducting‐normal metal‐superconducting (SNS) Josephson junctions. The size of these steps have been investigated both experimentally and theoretically as a function of temperature, external magnetic field, and rf current. In this report, we investigate the possibility of controlling the size of these giant Shapiro steps by an external gate voltage by considering arrays of superconductor‐semiconductor‐superconductor junctions. We show that giant Shapiro steps of different orders can be quenched over different gate voltage ranges in these arrays.