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1 – 3 of 3Madiha Ajmal, Rashid Mehmood, Noreen Sher Akbar and Taseer Muhammad
This study aims to focuse on the flow behavior of a specific nanofluid composed of blood-based iron oxide nanoparticles, combined with motile gyrotactic microorganisms, in a…
Abstract
Purpose
This study aims to focuse on the flow behavior of a specific nanofluid composed of blood-based iron oxide nanoparticles, combined with motile gyrotactic microorganisms, in a ciliated channel with electroosmosis.
Design/methodology/approach
This study applies a powerful mathematical model to examine the combined impacts of bio convection and electrokinetic forces on nanofluid flow. The presence of cilia, which are described as wave-like motions on the channel walls, promotes fluid propulsion, which improves mixing and mass transport. The velocity and dispersion of nanoparticles and microbes are modified by the inclusion of electroosmosis, which is stimulated by an applied electric field. This adds a significant level of complexity.
Findings
To ascertain their impact on flow characteristics, important factors such as bio convection Rayleigh number, Grashoff number, Peclet number and Lewis number are varied. The results demonstrate that while the gyrotactic activity of microorganisms contributes to the stability and homogeneity of the nanofluid distribution, electroosmotic forces significantly enhance fluid mixing and nanoparticle dispersion. This thorough study clarifies how to take advantage of electroosmosis and bio convection in ciliated micro channels to optimize nanofluid-based biomedical applications, such as targeted drug administration and improved diagnostic processes.
Originality/value
First paper discussed “Numerical Computation of Cilia Transport of Prandtl Nanofluid (Blood-Fe3O4) Enhancing Convective Heat Transfer along Micro Organisms under Electroosmotic effects in Wavy Capillaries”.
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Ravikantha Prabhu, Sharun Mendonca, Pavana Kumara Bellairu, Rudolf Charles D’Souza and Thirumaleshwara Bhat
This paper aims to report the effect of titanium oxide (TiO2) particles on the specific wear rate (SWR) of alkaline treated bamboo and flax fiber-reinforced composites (FRCs…
Abstract
Purpose
This paper aims to report the effect of titanium oxide (TiO2) particles on the specific wear rate (SWR) of alkaline treated bamboo and flax fiber-reinforced composites (FRCs) under dry sliding condition by using a robust statistical method.
Design/methodology/approach
In this research, the epoxy/bamboo and epoxy/flax composites filled with 0–8 Wt.% TiO2 particles have been fabricated using simple hand layup techniques, and wear testing of the composite was done in accordance with the ASTM G99-05 standard. The Taguchi design of experiments (DOE) was used to conduct a statistical analysis of experimental wear results. An analysis of variance (ANOVA) was conducted to identify significant control factors affecting SWR under dry sliding conditions. Taguchi prediction model is also developed to verify the correlation between the test parameters and performance output.
Findings
The research study reveals that TiO2 filler particles in the epoxy/bamboo and epoxy/flax composite will improve the tribological properties of the developed composites. Statistical analysis of SWR concludes that normal load is the most influencing factor, followed by sliding distance, Wt.% TiO2 filler and sliding velocity. ANOVA concludes that normal load has the maximum effect of 31.92% and 35.77% and Wt.% of TiO2 filler has the effect of 17.33% and 16.98%, respectively, on the SWR of bamboo and flax FRCs. A fairly good agreement between the Taguchi predictive model and experimental results is obtained.
Originality/value
This research paper attempts to include both TiO2 filler and bamboo/flax fibers to develop a novel hybrid composite material. TiO2 micro and nanoparticles are promising filler materials, it helps to enhance the mechanical and tribological properties of the epoxy composites. Taguchi DOE and ANOVA used for statistical analysis serve as guidelines for academicians and practitioners on how to best optimize the control variable with particular reference to natural FRCs.
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Norhidayah Pauzi, Asbah Razali, Saadan Man, Syed Mohd Jeffri Syed Jaafar and Mohd Hafiz Jamaludin
This study aims to examine attitude, perceived behavioral and religiosity that influence Muslim consumers’ intention in patronizing at food premises with halal logo.
Abstract
Purpose
This study aims to examine attitude, perceived behavioral and religiosity that influence Muslim consumers’ intention in patronizing at food premises with halal logo.
Design/methodology/approach
The data were collected from 450 respondents on random sampling basis. Quantitative analysis was conducted using SEM SMARTPLS version 3.3.
Findings
Based on the findings gathered using PLS analysis with n = 450, it was indicated that attitude, perceived behavioral control and religiosity significantly influence Muslim consumers’ intention on patronizing at food premise with halal logo.
Research limitations/implications
The data collection for the present study was limited to the respondents in Kuala Lumpur among Muslim consumers, and limited to 450 sample sizes.
Practical implications
The presence of halal logo should be crucial in attracting consumers due to the comprehensive meaning it brings.
Social implications
In the context of food premises, the results of the research suggest that the halal logo shown by the food premise seems to operate significantly in attracting Muslim consumers toward the food premises. Muslim consumers need to be nourished by proper Islamic teachings and have a good understanding of halal principle.
Originality/value
The halal logo of food premise concerns the Muslims. Muslim consumers are relying on surrogates in selecting the alternatives for packaged goods in Islamic marketing literature. However, it is little known how Muslims use indicators to select food premises when there is no halal logo.
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