Performance analysis of SiO 2 /PAG nanolubricant in automotive air conditioning system
Autor: | W.H. Azmi, M.Z. Sharif, A.A.M. Redhwan, T.M. Yusof, Rizalman Mamat |
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Rok vydání: | 2017 |
Předmět: |
Materials science
020209 energy Mechanical Engineering Test rig 02 engineering and technology Building and Construction Coefficient of performance 021001 nanoscience & nanotechnology Cooling capacity Automotive engineering Refrigerant Nanofluid Automotive air conditioning 0202 electrical engineering electronic engineering information engineering Fuel efficiency 0210 nano-technology Gas compressor |
Zdroj: | International Journal of Refrigeration. 75:204-216 |
ISSN: | 0140-7007 |
Popis: | The performance of an automotive air conditioning system (AAC) needs to be enhanced in order to minimize its environment impact and reduce global fuel consumption. Implementing nanofluid technology using nanolubricants inside compressors can improve its performance. Therefore, this paper presents the development of an AAC system performance test rig. The SiO2/PAG nanolubricant was prepared in a prior performance experiment and the stability of the colloidal was also attained. The experiment was conducted with initial refrigerant charge ranging from 95 to 125 gram and compressor speeds of 900 to 2100 RPM. The performance of the AAC system was evaluated by determining the heat absorb, compressor work and coefficient of performance (COP). The results found that the maximum increase and the average COP enhancement for SiO2/PAG nanolubricants are 24% and 10.5%, respectively. It can be concluded that the COP was highest at 0.05% volume concentration for all compressor speeds. |
Databáze: | OpenAIRE |
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