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1 – 10 of 15Syed Sohaib Zafar, Aurang Zaib, Farhan Ali, Fuad S. Alduais, Afrah Al Bossly and Anwar Saeed
The modern day has seen an increase in the prevalence of the improvement of high-performance thermal systems for the enhancement of heat transmission. Numerous studies and…
Abstract
Purpose
The modern day has seen an increase in the prevalence of the improvement of high-performance thermal systems for the enhancement of heat transmission. Numerous studies and research projects have been carried out to acquire an understanding of heat transport performance for their functional application to heat conveyance augmentation. The idea of this study is to inspect the entropy production in Darcy-Forchheimer Ree-Eyring nanofluid containing bioconvection flow toward a stretching surface is the topic of discussion in this paper. It is also important to take into account the influence of gravitational forces, double stratification, heat source–sink and thermal radiation. In light of the second rule of thermodynamics, a model of the generation of total entropy is presented.
Design/methodology/approach
Incorporating boundary layer assumptions allows one to derive the governing system of partial differential equations. The dimensional flow model is transformed into a non-dimensional representation by applying the appropriate transformations. To deal with dimensionless flow expressions, the built-in shooting method and the BVP4c code in the Matlab software are used. Graphical analysis is performed on the data to investigate the variation in velocity, temperature, concentration, motile microorganisms, Bejan number and entropy production concerning the involved parameters.
Findings
The authors have analytically assessed the impact of Darcy Forchheimer's flow of nanofluid due to a spinning disc with slip conditions and microorganisms. The modeled equations are reset into the non-dimensional form of ordinary differential equations. Which are further solved through the BVP4c approach. The results are presented in the form of tables and figures for velocity, mass, energy and motile microbe profiles. The key conclusions are: The rate of skin friction incessantly reduces with the variation of the Weissenberg number, porosity parameter and Forchheimer number. The rising values of the Prandtl number reduce the energy transmission rate while accelerating the mass transfer rate. Similarly, the effect of Nb (Brownian motion) enhances the energy and mass transfer rates. The rate of augments with the flourishing values of bioconvection Lewis and Peclet number. The factor of concentration of microorganisms is reported to have a diminishing effect on the profile. The velocity, energy and entropy generation enhance with the rising values of the Weissenberg number.
Originality/value
According to the findings of the study, a slip flow of Ree-Eyring nanofluid was observed in the presence of entropy production and heat sources/sinks. There are features when the implementations of Darcy–Forchheimer come into play. In addition to that, double stratification with chemical reaction characteristics is presented as a new feature. The flow was caused by the stretching sheet. It has been brought to people's attention that although there are some investigations accessible on the flow of Ree-Eyring nanofluid with double stratification, they are not presented. This research draws attention to a previously unexplored topic and demonstrates a successful attempt to construct a model with distinctive characteristics.
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Eman Zameer Rahman and Syed Haider Ali Shah
This chapter examines the significance of green innovation and technologies for sustainable business in Asia, focussing on the issues and challenges confronted by contemporary…
Abstract
This chapter examines the significance of green innovation and technologies for sustainable business in Asia, focussing on the issues and challenges confronted by contemporary sustainable business models. The concept of sustainable development is introduced, which seeks to minimize negative impacts on ecosystems and preserve the environment for future generations. This chapter's methodology entails a comprehensive review of existing literature and research on green innovation, green technology, and sustainable business models in Asia. The expansion of ‘green’ energy is directly proportional to the global demand for energy resources. Understanding how green innovation influences a company's capacity for sustainable development is essential for identifying the factors that influence sustainable business models and their economic consequences. Green innovation practices encompass a variety of factors, including government regulations, preferences, supplier competence, and consumer concerns. Green technologies, such as green human resource management (HRM) practices and green innovation practices, play a crucial role in attaining sustainable development by conserving energy, protecting the environment, and enhancing business efficiency. Businesses that adopt green innovation acquire a competitive edge and enhance their performance. This chapter emphasizes the importance of green innovation research and application for business stability in Asia, where sustainability and green concepts are acquiring momentum. Customer, government, and societal pressures further emphasize the significance of green innovation in businesses. For the success of ecological innovation practices, collaboration and knowledge-sharing among various stakeholders are crucial. The adoption of green innovation practices is influenced by external environmental impacts, stakeholder pressure, and organizational support. Green technology innovation, which concentrates on resource conservation, energy efficiency, and environmental protection, is crucial to the sustainability of a business. This chapter concludes by emphasizing the importance of business sustainability in achieving environmental and economic goals and assuring sustainable corporate development. Long-term success requires an understanding of the process of value creation, delivery, and capture within sustainable business models.
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Muhammad Zada, Jawad Khan, Imran Saeed, Shagufta Zada and Zhang Yong Jun
The purpose of this study is to investigate the relationship between sustainable leadership and sustainable project performance. Specifically, the study aims to examine the…
Abstract
Purpose
The purpose of this study is to investigate the relationship between sustainable leadership and sustainable project performance. Specifically, the study aims to examine the mediating role of knowledge integration, examining how knowledge integration within an organization influences project outcomes. In addition, the study seeks to explore the moderating role of top management knowledge values, examining how the values and beliefs of top management influence the relationship between sustainable leadership and project performance.
Design/methodology/approach
A three-wave survey of 392 employees working in construction sector projects in Pakistan used both hierarchical regression analysis and Hayes’ PROCESS macro method to evaluate the hypotheses.
Findings
The study results show that sustainable leadership positively relates to sustainable project performance and knowledge integration mediating this relationship. In addition, the top management knowledge value moderates the indirect effect of sustainable leadership on sustainable project performance via knowledge integration.
Research limitations/implications
Although the model was tested using three-wave data, it is important to note that the data were obtained from a single source. Therefore, it is possible that common method bias may have influenced the results, and this cannot be disregarded.
Practical implications
Organizations seek to prioritize sustainability and integrate sustainability considerations into their project management processes. Organizations can achieve improved sustainable project performance by investing in sustainable leadership development, fostering a culture of knowledge sharing and learning, prioritizing top management support for sustainable performance and integrating sustainable considerations into project management processes.
Originality/value
The study’s grounding on organizational learning theory adds an original and valuable perspective to the relationship between sustainable leadership and sustainable project performance. This investigation is original, as it combines sustainable leadership, knowledge integration and the moderating role of top management knowledge value to understand their impact on sustainable project performance. This unique approach contributes to the literature by providing new insights into these relationships and mechanisms in the construction industry.
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Tuba Fayyaz, Muhammad Imran Qadeer, Muhammad Irfan, Fareeha Amjad, Tamseel Fatima and Shahida Husnain
Phytochemicals are known for their iron chelation ability with no side effects. Lignans and polyphenols in flaxseed have iron-chelating and antioxidant abilities. Therefore, this…
Abstract
Purpose
Phytochemicals are known for their iron chelation ability with no side effects. Lignans and polyphenols in flaxseed have iron-chelating and antioxidant abilities. Therefore, this study aims to assess the ability of flaxseed to reduce iron overload and minimize its negative health effects.
Design/methodology/approach
A randomized control trial was conducted. A total of 96 patients were enrolled in this study and randomized into three groups: two intervention groups had 3 or 7 g of whole flaxseed and a control group took a placebo (gram seeds). Interventions were administered for 12 weeks. A hematological profile, ferritin quantification in serum, and liver function tests were performed to evaluate the effects of flaxseed.
Findings
It was observed that flaxseed with synthetic iron chelators caused a significant reduction in ferritin levels compared with synthetic chelators. The pre-transfusion hemoglobin level was also improved in the intervention group. A significant reduction (p value 0.0003) in ferritin levels among intervention groups indicated that flaxseed reduced the iron overload. It can be concluded that flaxseed reduced iron overload in thalassemia major patients with no side effects and may reduce iron overload solely when taken in adequate quantity.
Originality/value
Although the study targets a non-specific protein-ferritin for the evaluation of iron-overload, the initial ferritin value and reduction in these levels indicate the efficacy of ferritin for reducing iron overload in thalassemia major patients. Moreover, this is the first study, to the best of the authors’ knowledge, that demonstrates the iron-chelation ability of flaxseed in thalassemia major patients, suggesting the use of flaxseed for iron chelation.
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Mohammad Nisar Khattak, Moyassar Zuhair Al-Taie, Ifzal Ahmed and Noor Muhammad
This study aims to investigate the effect of servant leadership on employee organizational identification and career satisfaction through the mediating lens of…
Abstract
Purpose
This study aims to investigate the effect of servant leadership on employee organizational identification and career satisfaction through the mediating lens of leader-member-exchange (LMX). Furthermore, this study also examines whether perceived organizational support (POS) strengthens the positive effect of servant leadership on LMX and subsequently, on employee organizational identification and career satisfaction.
Design/methodology/approach
Survey data were collected from 314 respondents working in hotels in United States of America (USA). Structural equation modeling (SEM), hierarchical moderation analysis and bootstrapping were used to test the study hypotheses.
Findings
Servant leadership was found to positively influence employee organizational identification and career satisfaction. Further, analysis revealed that LMX partially mediated the positive relationship between servant leadership and employee career satisfaction and fully mediated the positive relationship between servant leadership and organizational identification. However, although POS moderated the indirect relationship between servant leadership and employee’ career satisfaction, it did not moderate the indirect relationships between servant leadership and organizational identification.
Practical implications
This study provides insight into the nexus of servant leadership and organizational support in hospitality industry to foster the employee organizational identification and career satisfaction which are extremely needed for competitive advantage in hotel industry.
Originality/value
This study addresses recent calls for future researchers to investigate the important of servant leadership in the hospitality industry.
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Muhammad Mohsin Khalil and Waqar Ahmed
In recent years, technological advancement has played a crucial role in the growth of emerging economies. However, as with any novel technological development, there are often…
Abstract
Purpose
In recent years, technological advancement has played a crucial role in the growth of emerging economies. However, as with any novel technological development, there are often concerns and hesitations surrounding its implementation. This study aims to investigate the factors influencing blockchain adoption and usage. Thereby evaluating its impact on supply chain performance.
Design/methodology/approach
This is a deductive research based on the modified form unified theory of acceptance and use of technology, which is a persuasive model that has been used in numerous studies on the acceptance and usage of information technology systems. For this study, valid data was collected from 129 management-level supply chain professionals and policymakers working in diverse manufacturing industries. The collected data was used for testing hypotheses by deploying the structural equation modeling technique.
Findings
The findings of this study reveal that facilitating conditions and technology readiness highly are key influencers for organizations to implement this disruptive technology. Moreover, blockchain adoption and usage can significantly enhance supply chain performance.
Originality/value
Blockchain technology is a novel and promising disruptive technology that industries are looking forward to adopting and using. For the policymakers and supply chain strategists working in a developing country, this study offers a comprehensive viewpoint on the swift acceptance and usage of blockchain technology to facilitate supply chain operations.
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Muhammad Waseem, Shahid Iqbal and Khalid Khan
The purpose of this study is to determine how project governance influences project success. According to the authors, such an effect is mediated by organizational support and…
Abstract
Purpose
The purpose of this study is to determine how project governance influences project success. According to the authors, such an effect is mediated by organizational support and project team cohesion. The direct and indirect effects of organizational support and project team cohesion provided helpful information. The authors’ objective is to contribute to the project management knowledge of how project team cohesion plays a significant role in project success.
Design/methodology/approach
Data were collected from 350 employees working in Pakistan’s oil and gas industry. Four prime oil and gas exploration companies were selected as samples based on their contribution to the revenue. SPSS v23 and AMOS v23 were used for constructing structural equation modeling and path analysis to examine the direct and indirect effects.
Findings
The results revealed that project governance is positively related to project success. Furthermore, organizational support and project team cohesion mediated the relationship between project governance and project success.
Originality/value
Team cohesion has been primarily a topic of interest in sports psychology literature, education and medical sciences. There is an expressed need to investigate team cohesion issues in the broad domain of organizational development, specifically the project management literature. This study contributed by discussing team cohesion in the project context. Second, project governance was investigated using the conservation of resources theory. The lens of intellectual capital was applied to examine intangible resources of project governance like rules, regulations and directives for project success.
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Aamir Rashid, Rizwana Rasheed and Abdul Hafaz Ngah
Green practices are essential for sustainability. However, it is challenging due to the socioeconomic and environmental concerns. Similarly, after the induced SDG-12 and SDG-13 by…
Abstract
Purpose
Green practices are essential for sustainability. However, it is challenging due to the socioeconomic and environmental concerns. Similarly, after the induced SDG-12 and SDG-13 by United Nations, the pressure groups forced manufacturers to consider sustainability. Therefore, this research aims to examine the sustainability through multifaceted green functions in manufacturing is examined.
Design/methodology/approach
Data were collected from 293 supply chain professionals of manufacturers from a developing economy. Hypotheses were tested through a quantitative method using partial least squares-structural equation modeling with the help of SmartPLS version 4 to validate the measurement model.
Findings
The findings revealed that all six direct hypotheses were supported. However, out of four hypotheses of mediation, one was not supported. Besides, a sequential mediation of green supply chain environmental cooperation and green human resource management was supported. The findings illustrated that green supply chain practices positively influence all used variables.
Research limitations/implications
This research provides practical insight to practitioners to implement green practices in their supply chain networks for social, economic and environmental sustainability and compliance with SDG-12 and SDG-13. The sustainability was validated in a higher-order construct (HOC) (formative), including sequential mediation in the model with the support of resource dependency theory. Therefore, this study adds substantial literature to the existing body of knowledge.
Originality/value
This research provides an interdisciplinary framework by adding knowledge to the Resource Dependency Theory to address Sustainable Development Goals-12 (SDGs) and SDG-13. Likewise, this research provides an extension towards the body of knowledge on the issue, which can be used in future research and critical examinations for cleaner and sustainable production. So far, in Pakistan, no research has looked at the function of these integrated variables in the manufacturing industry with a diligent focus on sustainability as it was validated in a higher-order construct (formative) with one sequential mediation, which makes this research unique.
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Eka Nurhalimatus Sifa and Sudarso Kaderi Wiryono
This study aims to simulate and compare the effect of two financing schemes, Salam and conventional financing, on farmers’ cash flows.
Abstract
Purpose
This study aims to simulate and compare the effect of two financing schemes, Salam and conventional financing, on farmers’ cash flows.
Design/methodology/approach
The system dynamics simulation is used to conduct a multiple scenario-driven analysis to understand the behavior and the dynamic patterns concerning relationships among the variables in the model that are chosen and parameterized using both qualitative and quantitative data collected from West Java, Indonesia.
Findings
The authors affirm that farmers cannot rely solely on paddy fields and should seek other livelihoods to support their daily needs. The main finding is that the Salam scheme provides a higher income that can contribute to improving farmer welfare. The Islamic scheme also requires less adjustment than the standard scheme to meet the farmers’ needs.
Research limitations/implications
The probable effect of implementing the Salam method is not considered from the point of view of the financiers, as the scope of the study is limited to farmers. Furthermore, the implications of this study and recommendations for future research are presented.
Originality/value
To the best of the authors’ knowledge, this study adds to the extensive literature on Salam financing by being among the first to provide a quantifiable evaluation of the Islamic method compared to its conventional counterpart.
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Oussama Saoula, Muhammad Farrukh Abid, Munawar Javed Ahmad, Amjad Shamim, Ataul Karim Patwary and Maha Mohammed Yusr
It is widely evident that trust and commitment are important pillars for strengthening the relationship between financial service firms and their customers. However, it has not…
Abstract
Purpose
It is widely evident that trust and commitment are important pillars for strengthening the relationship between financial service firms and their customers. However, it has not been explored how the service quality, perceived cost and role of agents are important for financial service firms. To overcome this gap, this study aims to investigate the role of service quality, perceived cost and the role of agents as the commitment–trust factors in the financial insurance service (Takaful) in Malaysia, enhancing customer satisfaction.
Design/methodology/approach
The study follows a quantitative design in which primary data was collected using a survey instrument. The measurement instrument was adapted from the previous research, and data were collected from 264 customers of the Takaful financial service organizations in Malaysia. The data were analyzed using variance-based structural equational modeling in Smart-PLS software.
Findings
This research has revealed several useful insights that demonstrate a significant impact on service quality, perceived cost and the agents’ role in forging close relationships with their customers. Corporate image has a moderating role in relationships and has significantly impacted takaful insurance companies. The results imply that regardless of the corporate image of the financial service organizations, customers are concerned about the prices and the quality of the agents’ services.
Research limitations/implications
In this study, only the predictors such as service quality, perceived costs and agents’ roles as trust–commitment factors were examined to determine customer satisfaction. Other investigations are highly recommended, such as value co-creation in takaful, takaful customer experience and takaful trust. This study offers insights to takaful insurance companies on how to keep up a positive corporate image, which will boost their trust–commitment factors and ultimately increase customer satisfaction.
Originality/value
By presenting commitment–trust factors and company image in an identifiable framework, the current study has expanded the discussion on takaful financial insurance services. The methodology is developed and rigorously tested to gauge customer satisfaction in takaful financial service organizations’ context.
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