Composite nanolubricants in automotive air conditioning system: An investigation on its performance

1st International Postgraduate Conference on Mechanical Engineering

工业技术（总论）;机械制造

Zawawi, N.N.M.^1 ; Azmi, W.H.^1^2 ; Sharif, M.Z.^1 ; Shaiful, A.I.M.^3

Faculty of Mechanical Engineering, University Malaysia Pahang (UMP), Pekan Pahang

26600, Malaysia^1

Automotive Engineering Centre, Universiti Malaysia Pahang, Pekan, Pahang

26600, Malaysia^2

School of Manufacturing Engineering, Universiti Malaysia Perlis, Perlis

01000, Malaysia^3

关键词: Automotive air-conditioning systems;    Cooling Capacity;    Different speed;    Experimental investigations;    Its efficiencies;    Nano-lubricants;    Refrigerant charge;    Surrounding temperature;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/469/1/012078/pdf
DOI  :  10.1088/1757-899X/469/1/012078

学科分类：工业工程学

来源: IOP

【 摘 要 】

AAC system is an important and necessary system in a vehicle in giving thermal comfort to the automotive cars passenger by reducing the surrounding temperature. The experimental investigation on performance of AAC system using composite nanolubricant provides useful data for future development of automotive cars due to its efficiency in improving the system performance. The AAC test bench was developed and utilized from Perodua Kancil. Cooling capacity, compressor work and coefficient of performance (COP) of AAC system using pure lubricant and Al2O3-SiO2/PAG composite nanolubricants had been investigated at different refrigerant charges (95 to 155g) and different speeds (900 to 2100 rpm). The result shows that the cooling capacity and COP of composite nanolubricants increased compared to pure lubricant. Meanwhile, the compressor work was reduced. Cooling capacity and COP are relatively increased by 59.91% and 7.72% respectively compared to based lubricant. The maximum reduction achievement for compressor work is by 9.35% with 155g refrigerant charge and at 2100 rpm. Therefore, Al2O3-SiO2/PAG composite nanolubricants is recommended to be used as the compressor lubrication to enhance AAC performances system.