Environment friendly refrigerant options for automobile air conditioners: a review

M Mohanraj, JDAP Abraham - Journal of Thermal Analysis and …, 2020 - Springer
In this paper, the environment friendly refrigerant options suitable for automobile air
conditioners are reviewed. Initially, the thermophysical, thermodynamic and chemical …

Tribological performance of Al2O3–SiO2/PAG composite nanolubricants for application in air-conditioning compressor

NNM Zawawi, WH Azmi, MF Ghazali - Wear, 2022 - Elsevier
Proper lubrication using nanoparticles helps to reduce friction and wear in air-conditioning
compressor. The improvement in tribological behaviour of composite nanolubricants …

Tribology Performance of Polyol-Ester Based TiO2, SiO2, and Their Hybrid Nanolubricants

AH Hamisa, WH Azmi, MF Ismail, RA Rahim, HM Ali - Lubricants, 2023 - mdpi.com
The tribology properties of TiO2/POE, SiO2/POE and TiO2-SiO2/POE nanolubricants were
investigated for an automotive air-conditioning system with an electrically-driven compressor …

Comparative air conditioning performance using SiO2 and Al2O3 nanolubricants operating with Hydrofluoroolefin-1234yf refrigerant

MZ Sharif, WH Azmi, NNM Zawawi… - Applied Thermal …, 2022 - Elsevier
Nowadays, the automotive air-conditioning system operating with Hydrofluoroolefin-1234yf
or R1234yf refrigerant is used to reduce the global warming potential. This study aims to …

Experimental investigation on stability and thermo-physical properties of Al2O3–SiO2/PAG nanolubricants with different nanoparticle ratios

NNM Zawawi, WH Azmi, MZ Sharif, G Najafi - Journal of Thermal Analysis …, 2019 - Springer
The thermo-physical properties enhancement of nanolubricants can improve the heat
transfer performance in refrigeration system. In this study, thermo-physical properties of Al 2 …

Performance of Al2O3-SiO2/PAG composite nanolubricants in automotive air-conditioning system

NNM Zawawi, WH Azmi, MF Ghazali - Applied Thermal Engineering, 2022 - Elsevier
Automotive air-conditioning (AAC) system performance must be improved to reduce energy
consumption and promote energy efficiency. Efficiency of the AAC system can be increased …

An Experimental Evaluation of SiO2 nano cutting fluids in CNC Turning of Aluminium Alloy AL319 via MQL Technique.

AM Syafiq, AAM Redhwan, AA Hazim… - IOP Conference …, 2021 - iopscience.iop.org
The present study evaluate the performance of SiO 2 nano cutting fluid in CNC turning of
AL319 Aluminium Alloy combined with MQL technique. The cutting performance namely …

Performance optimization of automotive air-conditioning system operating with Al2O3-SiO2/PAG composite nanolubricants using Taguchi Method

NNM Zawawi, WH Azmi, MF Ghazali… - Automotive …, 2022 - journal.unimma.ac.id
The performance of an automotive air-conditioning (AAC) system is influenced by a variety
of operating conditions. This can be addressed by employing optimization techniques that …

The Tribology Evaluation on a Four-Ball Tribometer Lubricated by Al2O3/PAG Nanolubricants

WH Azmi, MZ Sharif, NNM Zawawi - International Journal of …, 2024 - journal.ump.edu.my
Nanolubricants can improve the tribological properties for application in automotive systems.
By reducing the friction rate of the internal components with nanolubricants, the service life …

Utilization of Response Surface Method (RSM) in Optimizing Automotive Air Conditioning (AAC) Performance Exerting Al2O3/PAG Nanolubricant

AAM Redhwan, WH Azmi, MZ Sharif… - Journal of Physics …, 2020 - iopscience.iop.org
This manuscript examines the performance of automotive air conditioning (AAC) with the
variation of the concentration of Al 2 O 3/PAG nanolubricant, initial refrigerant charges, and …