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23. Entropy optimization in squeezed nanofluidic dissipative transport of radiative water conveying aluminum alloys.

Author

Faisal, Muhammad, Asogwa, Kanayo Kenneth, Mabood, F., and Badruddin, I. A.

Subjects
ENTROPY, NUSSELT number, THERMOPHYSICAL properties, PHYSICAL constants, MAGNETOHYDRODYNAMICS
Abstract

In this paper, squeezing transport of radiative water conveying aluminum alloys (i.e., AA7072 and AA7075) mobilized by entropy generation and dissipative energy is analyzed. Problem is formulated in a rotating frame with the consideration of magnetohydrodynamics and Joule heating aspects. Maxwell model for nanofluid has been used to incorporate the thermophysical properties of nanoelements. Formulated governing expressions have been transformed into system of ODEs by introducing similarity variables. The transformed system of ODEs is then numerically solved by Runge–Kutta–Fehlberg (RKF) method based on shooting background. The physical quantities (i.e., skin-friction coefficient, Nusselt and Bejan numbers) of scientific interest are formulated and illustrated via various plots. Graphical representations of squeezing function, temperature profile and velocity profile have been made to examine the effects of involved parameters. Streamlines and isotherms patterns have been formed and discussed. To authenticate the validity of model, skin-friction values have been compared with published literature for limited version of the model. Entropy and temperature of the system are improved with the involvement of aluminum alloys in water. Symmetrical behavior of streamlines is observed for positive approach of squeezing parameter. [ABSTRACT FROM AUTHOR]

Published
2024
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36. Rapid detection of pork gelatin in ice cream samples by using non-destructive FT-NIR spectroscopy and Partial least squares-discriminant analysis

Author

Química Analítica i Química Orgànica, Universitat Rovira i Virgili, Alsaqri SN; Mabood F; Boqué R; Jabeen F; Ahmad A; Hussain J; Sohail M; Syed MG; Melhi S; Shahzad A; Khan MN; Al-Amri I; Shah R; Din IU, Química Analítica i Química Orgànica, Universitat Rovira i Virgili, and Alsaqri SN; Mabood F; Boqué R; Jabeen F; Ahmad A; Hussain J; Sohail M; Syed MG; Melhi S; Shahzad A; Khan MN; Al-Amri I; Shah R; Din IU

Abstract

This study aimed at developing a fast and low-cost detection method to discriminate between ice cream samples containing pork or non-pork gelatin by using Fourier Transform Near Infrared (FT-NIR) spectroscopy and Partial Least Squares Discriminant Analysis (PLS-DA). Forty two samples of ice cream were used, among which twenty three samples were adulterated with different levels i.e. 1%, 5%, 10%, and 20 % of pork gelatin (Non-Halal). Whereas, the remaining nineteen samples containing only cow gelatin (Halal) were used as a control. All the ice cream samples were measured with the FT-NIR spectrophotometer in the reflection mode. Spectra were collected in the wavenumber range from 10000 to 4000 cm−1 (1000 to 2500 nm). The results show that the PLS-DA model with Unit Vector Normalization (UVN) spectral transformations for 1% pork gelatin adulteration is the optimal one which was based on a compromise between the lowest value of root mean square error of cross validation (RMSECV) for the calibration set. The lowest value of root mean square error of prediction (RMSEP) for the test set, the least number of factors and the percentage of correctly classified samples, the Halal and Non-Halal, for both calibration and test sets. This newly developed method is fast, involves simple sample preparation and is low cost.

Published
2023

37. Comparative study of Newtonian heating and Robin's conditions for stokes' second problem Casson fluid flow.

Author

Mabood, F., Khan, W.A., Shehzad, Sabir Ali, Ibrahim, S.M., and Badruddin, I.A.

Abstract

In this study, an investigation is made to evaluate the heat transport properties of Casson fluid over an infinite flat plate. Initially, the plate accelerates within its plane, only to gradually decelerate until it comes to a complete stop. This variation in plate velocity introduces a dynamic component to the problem, enriching the understanding of heat transport phenomena. To accurately convert the governing partial differential equations, the study employs a mathematical transformation that converts them into a set of coupled nonlinear ordinary differential equations (ODEs). The numerical solution of these ODEs is carried out using the computational software MAPLE 2022, with a stringent convergence control threshold set at 10−6. This numerical approach ensures precision in analyzing the complex fluid dynamics and heat transfer phenomena under consideration. The study contributes to understanding heat transport in Casson fluids, especially in scenarios involving plate acceleration and deceleration. [ABSTRACT FROM AUTHOR]

Published
2024
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