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Article
Publication date: 29 July 2021

A. A. Alanazi, Sultan Z. Alamri, S. Shafie and Shazirawati Mohd Puzi

The purpose of this paper is to obtain the nonlinear Schrodinger equation (NLSE) numerical solutions in the presence of the first-order chromatic dispersion using a second-order…

Abstract

Purpose

The purpose of this paper is to obtain the nonlinear Schrodinger equation (NLSE) numerical solutions in the presence of the first-order chromatic dispersion using a second-order, unconditionally stable, implicit finite difference method. In addition, stability and accuracy are proved for the resulting scheme.

Design/methodology/approach

The conserved quantities such as mass, momentum and energy are calculated for the system governed by the NLSE. Moreover, the robustness of the scheme is confirmed by conducting various numerical tests using the Crank-Nicolson method on different cases of solitons to discuss the effects of the factor considered on solitons properties and on conserved quantities.

Findings

The Crank-Nicolson scheme has been derived to solve the NLSE for optical fibers in the presence of the wave packet drift effects. It has been founded that the numerical scheme is second-order in time and space and unconditionally stable by using von-Neumann stability analysis. The effect of the parameters considered in the study is displayed in the case of one, two and three solitons. It was noted that the reliance of NLSE numeric solutions properties on coefficients of wave packets drift, dispersions and Kerr nonlinearity play an important control not only the stable and unstable regime but also the energy, momentum conservation laws. Accordingly, by comparing our numerical results in this study with the previous work, it was recognized that the obtained results are the generalized formularization of these work. Also, it was distinguished that our new data are regarding to the new communications modes that depend on the dispersion, wave packets drift and nonlinearity coefficients.

Originality/value

The present study uses the first-order chromatic. Also, it highlights the relationship between the parameters of dispersion, nonlinearity and optical wave properties. The study further reports the effect of wave packet drift, dispersions and Kerr nonlinearity play an important control not only the stable and unstable regime but also the energy, momentum conservation laws.

Details

International Journal of Numerical Methods for Heat & Fluid Flow, vol. 31 no. 8
Type: Research Article
ISSN: 0961-5539

Keywords

Article
Publication date: 15 November 2018

Sultan Alamri

With the rapid development of the indoor spaces positioning technologies such as the radio-frequency identification (RFID), Bluetooth and WI-FI, the locations of indoor spatial…

Abstract

Purpose

With the rapid development of the indoor spaces positioning technologies such as the radio-frequency identification (RFID), Bluetooth and WI-FI, the locations of indoor spatial objects (static or moving) constitute an important foundation for a variety of applications. However, there are many challenges and limitations associated with the structuring and querying of spatial objects in indoor spaces. The purpose of this study is to address the current trends, limitations and future challenges associated with the structuring and querying of spatial objects in indoor spaces. Also it addresses the related features of indoor spaces such as indoor structures, positioning technologies and others.

Design/methodology/approach

In this paper, the author focuses on understanding the aspects and challenges of spatial database managements in indoor spaces. The author explains the differences between indoor spaces and outdoor spaces. Also examines the issues pertaining to indoor spaces positioning and the impact of different shapes and structures within these spaces. In addition, the author considers the varieties of spatial queries that relate specifically to indoor spaces.

Findings

Most of the research on data management in indoor spaces does not consider the issues and the challenges associated with indoor positioning such as the overlapping of Wi-Fi. The future trend of the indoor spaces includes included different shapes of indoors beside the current 2D indoor spaces on which the majority of the data structures and query processing for spatial objects have focused on. The diversities of the indoor environments features such as directed floors, multi-floors cases should be considered and studied. Furthermore, indoor environments include many special queries besides the common ones queries that used in outdoor spaces such as KNN, range and temporal queries. These special queries need to be considered in data management and querying of indoor environments.

Originality/value

To the best of the author’s knowledge, this paper successfully addresses the current trends, limitations and future challenges associated with the structuring and querying of spatial objects in indoor spaces.

Details

International Journal of Web Information Systems, vol. 14 no. 4
Type: Research Article
ISSN: 1744-0084

Keywords

Article
Publication date: 31 July 2019

Waqar Azeem Khan, Mehboob Ali, Muhammad Waqas, M. Shahzad, F. Sultan and M. Irfan

This paper aims to address the flow of Sisko nanofluid by an unsteady curved surface. Non-uniform heat source/sink is considered for heat transfer analysis.

Abstract

Purpose

This paper aims to address the flow of Sisko nanofluid by an unsteady curved surface. Non-uniform heat source/sink is considered for heat transfer analysis.

Design/methodology/approach

Numerical solutions are constructed using bvp4c procedure.

Findings

Pressure profile inside boundary region is increased when A and K are enhanced.

Originality/value

No such analysis is yet presented.

Details

International Journal of Numerical Methods for Heat & Fluid Flow, vol. 29 no. 12
Type: Research Article
ISSN: 0961-5539

Keywords

Open Access
Article
Publication date: 11 January 2023

Xiaobing Huang, Yousaf Ali Khan, Noman Arshed, Sultan Salem, Muhammad Ghulam Shabeer and Uzma Hanif

Social development is the ultimate goal of every nation, and climate change is a major stumbling block. Climate Risk Index has documented several climate change events with their…

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Abstract

Purpose

Social development is the ultimate goal of every nation, and climate change is a major stumbling block. Climate Risk Index has documented several climate change events with their devastations in terms of lives lost and economic cost. This study aims to link the climate change and renewable energy with the social progress of extreme climate affected countries.

Design/methodology/approach

This research used the top 50 most climate-affected countries of the decade and estimated the impact of climate risk on social progress with moderation effects of renewable energy and technology. Several competing panel data models such as quantile regression, bootstrap quantile regression and feasible generalized least square are used to generate robust estimates.

Findings

The results confirm that climate hazards obstruct socioeconomic progress, but renewable energy and technology can help to mitigate the repercussion. Moreover, improved institutions enhance the social progress of nations.

Research limitations/implications

Government should improve the institutional quality that enhances their performance in terms of Voice and Accountability, Political Stability and Absence of Violence, Government Effectiveness, Regulatory Quality, Rule of Law and Control of Corruption to increase social progress. In addition, society should use renewable energy instead of fossil fuels to avoid environmental degradation and health hazards. Innovation and technology also play an important role in social progress and living standards, so there should be free hand to private business research and development, encouraging research institutes and universities to come forward for innovation and research.

Practical implications

The ultimate goal of all human struggle is to have progress that facilitates human beings to uplift their living standard. One of the best measures that can tell us about a nation’s progress is Social Progress Index (SPI), and one of many factors that can abruptly change it is the climate; so this study is an attempt to link the relationship among these variables and also discuss the situation where the impact of climate can be reduced.

Social implications

Although social progress is an important concept of today’s economics discussion, relatively few studies are using the SPI to measure social well-being. Similarly, there is consensus about the impact of climate on people, government and crops but relatively less study about its overall impact on social progress, so this study attempts to fill the gap about the relationship between social progress and climate change.

Originality/value

The main contribution of this study is the solution for the impact of climate risk. Climate risk is not in human control, and we cannot eliminate it, but we can reduce the negative impacts of climate change. Moderator impact of renewable energy decreases the negative impact of climate change, so there is a need to use more renewable energy to mitigate the bad consequences of climate on social progress. Another moderator is technology; using technology will also mitigate the negative consequences of the climate, so there is a need to facilitate technological advancement.

Details

International Journal of Climate Change Strategies and Management, vol. 15 no. 3
Type: Research Article
ISSN: 1756-8692

Keywords

Article
Publication date: 9 April 2018

Nizar Mohammad Alsharari

The purpose of this paper is to explore the process of internationalization of higher education (HE) in the United Arab Emirates by examining the development of its HE system, and…

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Abstract

Purpose

The purpose of this paper is to explore the process of internationalization of higher education (HE) in the United Arab Emirates by examining the development of its HE system, and analyzing the components and results of internationalization.

Design/methodology/approach

The study adopts a qualitative research methodology to analyze primary evidence from interviews with academics in the UAE, and uses documents and archival research as secondary evidence to provide a comprehensive view of the UAE’s internationalized HE sector. A review of the literature is undertaken to inform discussion and analysis which focuses on the internal and external environments of the UAE. A strengths, weaknesses, opportunities and threats analysis identifies the benefits and challenges for the UAE of internationalized HE.

Findings

The study finds that internationalization of HE in the UAE has grown rapidly in the last decade, and that the UAE has sought to establish and promote itself as an “education hub” in the Middle East. However, this may subsume the government’s parallel goal of educating its citizenry to the level of skills necessitated by globalization. Three major forces promoting internationalization in the UAE are neoliberalism, quality assurance, and imported internationalization, an approach seeks the prestige conferred by international accreditation that is predominant in the UAE as well as other Gulf Cooperation Council (GCC) member states. An area of concern is the governance of systems to ensure high quality for universities that may be state-owned, privately owned, or international branch campuses. The study concludes that regional integration could provide the way forward for these countries in their internationalization efforts, not by standardizing but by better formulating study programs across the range of state, private and international higher education institutions.

Research limitations/implications

The study has important implications for HE policy and governance in the development of internationalized HE in the UAE. It provides theoretical perspectives with practical implications, focusing on some of the critical issues in this developing field for HE administrators and practitioners alike. It also has implications for the UAE’s national social values and cultural identity. This may be a reflection of the UAE’s relatively recent unification as a state whose HE system, developed to skill its population, has been overtaken by the imperative to compete in a globalized world. The research is limited by the absence of longitudinal data to review longer-term outcomes.

Originality/value

The UAE, like other GCC countries, is striving to take its higher educational system to a higher level of performance. This study can be considered as one of the very few studies in the area of the internationalization of HE in the UAE. It contributes to the HE literature by identifying factors and circumstances that facilitate, and hinder, the development of internationalization of HE in the UAE. Globalization can be considered as one of the history’s most significant social processes, and the HE sector plays a vital role in the delivery of knowledge and skills to societies, and thus its socio-economic development.

Details

International Journal of Educational Management, vol. 32 no. 3
Type: Research Article
ISSN: 0951-354X

Keywords

Article
Publication date: 25 May 2021

Vishal Jain and Parul Jain

The present paper is an attempt to study Education 4.0 supported by Industry 4.0 tools and techniques. The main purpose of the study is to examine the acceptance and use of one of…

Abstract

Purpose

The present paper is an attempt to study Education 4.0 supported by Industry 4.0 tools and techniques. The main purpose of the study is to examine the acceptance and use of one of the internet of things (IoT)-based learning management systems, i.e. videoconferencing application (Google Meet, Microsoft Teams, Zoom, GoToMeeting, WebEx), by academicians of higher education using the unified theory of acceptance and use of technology (UTAUT) model.

Design/methodology/approach

The study comprises 218 responses of academicians associated with higher education in the Sultanate of Oman. Descriptive and factor analysis of the collected data are employed using SPSS-26. Further, using Amos-21, the fit and validity indices of the measurement model are computed. Various relationships of the UTAUT structural model along with moderation effects of gender and nationality are tested.

Findings

The results suggest that performance expectancy, effort expectancy and social influence significantly predict behavioral intention. In turn, behavioral intention and facilitating conditions also significantly predict the use behavior of academicians for videoconferencing in higher education. Finally, gender moderates two out of four UTAUT relations, but nationality does not moderate any of these relations.

Originality/value

A lot of prior studies investigate several models to use technology-enabled pedagogy from educators' or students' perspectives. There are very limited studies that examine IoT-based learning tools within the UTAUT environment. Additionally, no study is available that considers UTAUT relations for the use of videoconferencing in higher education. Also, in the present study, one more moderator, i.e. nationality, is tested.

Details

Journal of Applied Research in Higher Education, vol. 14 no. 3
Type: Research Article
ISSN: 2050-7003

Keywords

Open Access
Article
Publication date: 1 February 2024

Frank Nana Kweku Otoo and Nissar Ahmed Rather

Highly committed, motivated and engaged employees assure organizational success and competitiveness. The study aims to examine the association between human resource development…

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Abstract

Purpose

Highly committed, motivated and engaged employees assure organizational success and competitiveness. The study aims to examine the association between human resource development (HRD) practices and employee engagement with organizational commitment as a mediating variable.

Design/methodology/approach

Data were collected from 760 employees of 13 star-rated hotels comprising 5 (five-star) and 8 (four-star). The data supported the hypothesized relationships. Structural equation modeling was used to evaluate the proposed model and hypotheses. Construct validity and reliability were established through confirmatory factor analysis.

Findings

The results indicate that HRD practices and affective commitment are significantly associated. HRD practices and continuance commitment were shown to be non-significantly associated. HRD practices and normative commitment were shown to be non-significantly associated. Employee engagement and organizational commitment are significantly associated. The results further show that organizational commitment mediates the association between HRD practices and employee engagement.

Research limitations/implications

The generalizability of the findings will be constrained due to the research's hotel industry focus and cross sectional data.

Practical implications

The study's findings will serve as valuable pointers for stakeholders and policymakers of the hotel industry in the adoption, design and implementation of proactive HRD interventions to keep highly engaged and committed employees for organizational competitiveness and sustainability.

Originality/value

By evidencing empirically that organizational commitment mediates the nexus between HRD practices and employee engagement, the study extends the literature.

Details

Rajagiri Management Journal, vol. 18 no. 3
Type: Research Article
ISSN: 0972-9968

Keywords

Article
Publication date: 8 August 2023

Roslee Uyob, Ku Maisurah Ku Bahador and Ram Al Jaffri Saad

This study aims to investigate the usage behaviour associated with adopting the extensible business reporting language-based Malaysia business reporting system (MBRS). An extended…

Abstract

Purpose

This study aims to investigate the usage behaviour associated with adopting the extensible business reporting language-based Malaysia business reporting system (MBRS). An extended technology acceptance model (TAM) was used, which was tested and examined using both the TAM and the diffusion of innovation theory (DIT).

Design/methodology/approach

The empirical results were obtained from 267 members of the Malaysian Institute of Accountants, who are responsible for preparing and filing company reports with the Companies Commission of Malaysia.

Findings

The findings show that user intention has a significant impact on MBRS usage behaviour. Perceived usefulness, perceived ease of use and cost have an impact on users’ intention to use, while attitude and compatibility have no impact. Only perceived ease of use has a significant impact on user attitude. For perceived usefulness, cost and compatibility are found to have a significant impact but not perceived ease of use.

Originality/value

To the best of the authors’ knowledge, this is the first study that integrates TAM and DIT to analyse MBRS usage behaviour.

Details

Accounting Research Journal, vol. 36 no. 4/5
Type: Research Article
ISSN: 1030-9616

Keywords

Abstract

Purpose

In addition to agriculture, energy production, and industries, potable water plays a significant role in many fields, further increasing the demand for potable water. Purification and desalination play a major role in meeting the need for clean drinking water. Clean water is necessary in different areas, such as agriculture, industry, food industries, energy generation and in everyday chores.

Design/methodology/approach

The authors have used the different search engines like Google Scholar, Web of Science, Scopus and PubMed to find the relevant articles and prepared this mini review.

Findings

The various stages of water purification include coagulation and flocculation, coagulation, sedimentation and disinfection, which have been discussed in this mini review. Using nanotechnology in wastewater purification plants can minimize the cost of wastewater treatment plants by combining several conventional procedures into a single package.

Social implications

In society, we need to avail clean water to meet our everyday, industrial and agricultural needs. Purification of grey water can meet the clean water scarcity and make the environment sustainable.

Originality/value

This mini review will encourage the researchers to find out ways in water remediation to meet the need of pure water in our planet and maintain sustainability.

Details

Arab Gulf Journal of Scientific Research, vol. ahead-of-print no. ahead-of-print
Type: Research Article
ISSN: 1985-9899

Keywords

Open Access
Article
Publication date: 25 May 2023

Suchismita Swain, Kamalakanta Muduli, Anil Kumar and Sunil Luthra

The goal of this research is to analyse the obstacles to the implementation of mobile health (mHealth) in India and to gain an understanding of the contextual inter-relationships…

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Abstract

Purpose

The goal of this research is to analyse the obstacles to the implementation of mobile health (mHealth) in India and to gain an understanding of the contextual inter-relationships that exist amongst those obstacles.

Design/methodology/approach

Potential barriers and their interrelationships in their respective contexts have been uncovered. Using MICMAC analysis, the categorization of these barriers was done based on their degree of reliance and driving power (DP). Furthermore, an interpretive structural modeling (ISM) framework for the barriers to mHealth activities in India has been proposed.

Findings

The study explores a total of 15 factors that reduce the efficiency of mHealth adoption in India. The findings of the Matrix Cross-Reference Multiplication Applied to a Classification (MICMAC) investigation show that the economic situation of the government, concerns regarding the safety of intellectual technologies and privacy issues are the primary obstacles because of the significant driving power they have in mHealth applications.

Practical implications

Promoters of mHealth practices may be able to make better plans if they understand the social barriers and how they affect each other; this leads to easier adoption of these practices. The findings of this study might be helpful for governments of developing nations to produce standards relating to the deployment of mHealth; this will increase the efficiency with which it is adopted.

Originality/value

At this time, there is no comprehensive analysis of the factors that influence the adoption of mobile health care with social cognitive theory in developing nations like India. In addition, there is a lack of research in investigating how each of these elements affects the success of mHealth activities and how the others interact with them. Because developed nations learnt the value of mHealth practices during the recent pandemic, this study, by investigating the obstacles to the adoption of mHealth and their inter-relationships, makes an important addition to both theory and practice.

Details

International Journal of Industrial Engineering and Operations Management, vol. 6 no. 2
Type: Research Article
ISSN: 2690-6090

Keywords

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