Risma Zainal Abidin, Avita Ayu Permanasari, Poppy Puspitasari, Mohd Afzanizam Mohd Rosli, Siti Nur Azella Zaine
In this journal, we present about the thermophysical and rheological properties of MWCNT (Multi-Walled Carbon Nanotubes) in Water-Based Nanofluid with various surfactants added. Cetyl Trimethyl Ammonium Bromide (CTAB), Sodium Dodecyl Sulfate (SDS), and Poly Vinyl Pyrrolidone (PVP) are used as a surfactant to be mixed nanofluids. The synthesis was carried out using magnetic stirring and sonicated at 650 rpm for 1 hour with a mass fraction ratio of 0.1%. Then tested on KD 2 Pro Thermal, Scanning Electron Microscopy (SEM), Fourier Transform Infrared (FTIR), and X-Ray Diffraction (XRD). Viscosity was searched using NDJ-8S Viscometer with temperature variations of 20 ℃, 30 ℃, 40 ℃, 50 ℃, and 60 ℃ with rotations of 6, 12, 18, 24, and 30 rpm. So that the results obtained the value of thermal conductivity, specific heat, analysis of the surface's topography and composition, phase identification of a crystalline material, functional group, viscosity, shear rate, and shear stress. The result of our research is to be able to choose the best surfactant for MWCNT nanofluids as needed. It is hoped that the selection of appropriate surfactants for nanofluids can be further studied to improve the stability and dispersion of nanofluids for industrial production and long-term use. © 2024 American Institute of Physics Inc.. All rights reserved.
Department of Mechanical Engineering, Faculty of Engineering, State University of Malang, Semarang 5, East Java, Malang, 65145, Indonesia; Centre of Advanced Materials for Renewable Energy (CAMRY), State University of Malang, Semarang 5, East Java, Malang, 65145, Indonesia; Department of Mechanical Engineering, Faculty of Mechanical Engineering, Technical University of Malaysia Melaka, Hang Tuah Jaya, Durian Tunggal, Melaka, 76100, Malaysia; Department of Fundamental and Applied Science, Faculty of Science and Information Technology, Petronas University of Technology, Bandar Seri Iskandar, Perak, Tronoh, 32610, Malaysia