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551 results on '"Yusaf, Talal"'

3. Effect of Higher Temperature at Metal Plate Based on Thickness and Hardness Material Using Ultrasonic Testing Method

Author

Othman, Ahmad Anwar Zikri, Ali, Kharudin, Rifai, Damhuji, Rahman, Nazry Abdul, Salleh, Zulfikri, Wahab, Muhammad Ameen, Aris, Raja Siti Nur Adiimah Raja, Paw, Johnny Koh Siaw, Yaw, Chong Tak, Tan, Jian Ding, Yusaf, Talal, Angrisani, Leopoldo, Series Editor, Arteaga, Marco, Series Editor, Chakraborty, Samarjit, Series Editor, Chen, Jiming, Series Editor, Chen, Shanben, Series Editor, Chen, Tan Kay, Series Editor, Dillmann, Rüdiger, Series Editor, Duan, Haibin, Series Editor, Ferrari, Gianluigi, Series Editor, Ferre, Manuel, Series Editor, Jabbari, Faryar, Series Editor, Jia, Limin, Series Editor, Kacprzyk, Janusz, Series Editor, Khamis, Alaa, Series Editor, Kroeger, Torsten, Series Editor, Li, Yong, Series Editor, Liang, Qilian, Series Editor, Martín, Ferran, Series Editor, Ming, Tan Cher, Series Editor, Minker, Wolfgang, Series Editor, Misra, Pradeep, Series Editor, Mukhopadhyay, Subhas, Series Editor, Ning, Cun-Zheng, Series Editor, Nishida, Toyoaki, Series Editor, Oneto, Luca, Series Editor, Panigrahi, Bijaya Ketan, Series Editor, Pascucci, Federica, Series Editor, Qin, Yong, Series Editor, Seng, Gan Woon, Series Editor, Speidel, Joachim, Series Editor, Veiga, Germano, Series Editor, Wu, Haitao, Series Editor, Zamboni, Walter, Series Editor, Tan, Kay Chen, Series Editor, Triwiyanto, Triwiyanto, editor, Rizal, Achmad, editor, and Caesarendra, Wahyu, editor

Published
2024
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12. The Use of Infrared Thermographic Technique for the Detection of Energy Losses

Author

Al-Kassir, Awf, Moral, F. J., Al-Karany, Raúl K., Yusaf, Talal, Duque de Brito, Paulo Sérgio, editor, da Costa Sanches Galvão, João Rafael, editor, Monteiro, Pedro, editor, Panizio, Roberta, editor, Calado, Luís, editor, Assis, Ana Carolina, editor, dos Santos Neves, Filipe, editor, Craveiro, Flávio, editor, de Amorim Almeida, Henrique, editor, Correia Vasco, Joel Oliveira, editor, de Jesus Gomes, Ricardo, editor, de Jesus Martins Mourato, Sandra, editor, and Santos Ribeiro, Vânia Sofia, editor

Published
2023
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13. OFAT Adoption on FAl2O3-POE Nanolubricant Absorbance Ratio Optimization Based on Spectrophotometric Method

Author

Nugroho, Agus, Mamat, Rizalman, Bo, Zhang, Wan Hamzah, Wan Azmi, Ghazali, Mohd Fairusham, Yusaf, Talal, Cavas-Martínez, Francisco, Editorial Board Member, Chaari, Fakher, Series Editor, di Mare, Francesca, Editorial Board Member, Gherardini, Francesco, Series Editor, Haddar, Mohamed, Editorial Board Member, Ivanov, Vitalii, Series Editor, Kwon, Young W., Editorial Board Member, Trojanowska, Justyna, Editorial Board Member, Johari, Nasrul Hadi, editor, Wan Hamzah, Wan Azmi, editor, Ghazali, Mohd Fairusham, editor, Setiabudi, Herma Dina, editor, and Kumarasamy, Sudhakar, editor

Published
2023
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14. Absorbance Ratio Optimization as a Function of TiO2-POE Nanolubricant Spectrophotometric Wavelength Using the Quadratic Design on One Factor at a Time

Author

Nugroho, Agus, Mamat, Rizalman, Bo, Zhang, Wan Hamzah, Wan Azmi, Yusaf, Talal, Ghazali, Mohd Fairusham, Khoerunnisa, Fitri, Cavas-Martínez, Francisco, Editorial Board Member, Chaari, Fakher, Series Editor, di Mare, Francesca, Editorial Board Member, Gherardini, Francesco, Series Editor, Haddar, Mohamed, Editorial Board Member, Ivanov, Vitalii, Series Editor, Kwon, Young W., Editorial Board Member, Trojanowska, Justyna, Editorial Board Member, Johari, Nasrul Hadi, editor, Wan Hamzah, Wan Azmi, editor, Ghazali, Mohd Fairusham, editor, Setiabudi, Herma Dina, editor, and Kumarasamy, Sudhakar, editor

Published
2023
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15. Surface Modification for Dispersion Stability of Novel FAl2O3-POE Nanolubricant Using Functional SiO2

Author

Nugroho, Agus, Mamat, Rizalman, Bo, Zhang, Wan Hamzah, Wan Azmi, Ghazali, Mohd Fairusham, Yusaf, Talal, Cavas-Martínez, Francisco, Editorial Board Member, Chaari, Fakher, Series Editor, di Mare, Francesca, Editorial Board Member, Gherardini, Francesco, Series Editor, Haddar, Mohamed, Editorial Board Member, Ivanov, Vitalii, Series Editor, Kwon, Young W., Editorial Board Member, Trojanowska, Justyna, Editorial Board Member, Johari, Nasrul Hadi, editor, Wan Hamzah, Wan Azmi, editor, Ghazali, Mohd Fairusham, editor, Setiabudi, Herma Dina, editor, and Kumarasamy, Sudhakar, editor

Published
2023
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16. A Comprehensive Investigation of Low Proportion TiO2-POE Nanolubricant Stability for Residential Air Conditioning System Application

Author

Nugroho, Agus, Mamat, Rizalman, Bo, Zhang, Wan Hamzah, Wan Azmi, Yusaf, Talal, Ghazali, Mohd Fairusham, Khoerunnisa, Fitri, Cavas-Martínez, Francisco, Editorial Board Member, Chaari, Fakher, Series Editor, di Mare, Francesca, Editorial Board Member, Gherardini, Francesco, Series Editor, Haddar, Mohamed, Editorial Board Member, Ivanov, Vitalii, Series Editor, Kwon, Young W., Editorial Board Member, Trojanowska, Justyna, Editorial Board Member, Johari, Nasrul Hadi, editor, Wan Hamzah, Wan Azmi, editor, Ghazali, Mohd Fairusham, editor, Setiabudi, Herma Dina, editor, and Kumarasamy, Sudhakar, editor

Published
2023
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17. Rheological Characteristics and Optimization of Novel TiO2-POE Nanolubricant Using Response Surface Method (RSM) for Air Conditioning System Compressor Application

Author

Nugroho, Agus, Mamat, Rizalman, Bo, Zhang, Wan Hamzah, Wan Azmi, Ghazali, Mohd Fairusham, Yusaf, Talal, Cavas-Martínez, Francisco, Editorial Board Member, Chaari, Fakher, Series Editor, di Mare, Francesca, Editorial Board Member, Gherardini, Francesco, Series Editor, Haddar, Mohamed, Editorial Board Member, Ivanov, Vitalii, Series Editor, Kwon, Young W., Editorial Board Member, Trojanowska, Justyna, Editorial Board Member, Johari, Nasrul Hadi, editor, Wan Hamzah, Wan Azmi, editor, Ghazali, Mohd Fairusham, editor, Setiabudi, Herma Dina, editor, and Kumarasamy, Sudhakar, editor

Published
2023
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43. Numerical investigation of heat transfer enhancement via dimpled target surface configuration and jet arrangement in impingement cooling

Author

Mohd Zulkeple, Muhammad Fitri, Abu Talib, Abd Rahim, Harmin, Mohammad Yazdi, Saadon, Syamimi, Azami, Muhammad Hanafi, Yusaf, Talal, Mohd Zulkeple, Muhammad Fitri, Abu Talib, Abd Rahim, Harmin, Mohammad Yazdi, Saadon, Syamimi, Azami, Muhammad Hanafi, and Yusaf, Talal

Abstract

This research employs numerical simulation to investigate the influence of dimple configurations on heat transfer. Specifically, it focuses on the 3x3 array of jets directed at a dimpled target surface. The study explores various jet pitches (P = 3D_j, 4D_j and 5D_j) and distances between jets and the dimpled surface (H = 3D_j, 4D_j and 5D_j). Additionally, dimple designs were altered while keeping their volume constant, resulting in elongated dimples. This investigation comprehensively examines flow patterns and heat transfer properties across Reynolds number (Re) range of 5,000 to 15,000. Increasing the H/D_j ratio from 4 to 5 enlarges entrainment vortices near the target surface due to reduced cross flow intensity between adjacent jets. Conversely, reducing the ratio to 3 intensifies crossflow, delaying cooling jet detachment and enhancing heat transfer. Evaluating the smallest jet-to-jet pitch (P_x = 3D_j) reveals enhanced heat transfer to the target surface, driven by increased coolant mass flow rate per unit area compared to larger jet pitches (P_x = 4D_j and P_x = 5D_j). When altering dimple depths while maintaining constant volume, Nusselt numbers (Nu) showed improvements ranging from 10% to 16%, surpassing the 6% to 14% increase seen with hemisphere dimples.

Published
2024

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