Experimental data of heat transfer nanofluids for trigeneration systems: viscosity at below-ambient temperatures

Data Brief. 2023 Jan 14:47:108854. doi: 10.1016/j.dib.2022.108854. eCollection 2023 Apr.

Abstract

The present work exhibits the dynamic viscosity profile data of three distinct nanofluids, at a constant shear stress, and within a range of temperatures that include below-ambient conditions (from -10 to 20 °C). The nanofluids were as follows. Nanofluid I: 30% ethylene glycol and 70% distilled water (v/v), with graphene (0.32% in mass); Nanofluid II: 30% engine coolant NBR 13705; ASTM D-3306; ASTM D-4985) and 70% distilled water (v/v), with graphene (0.2% in mass); and Nanofluid III: 30% engine coolant and 70% distilled water (v/v), with Multi-Walled Carbon Nanotubes (MWCNT) (0.2% in mass). The present work was motivated by the scarcity of experimental data on the temperature dependence of viscosity for graphene, MWCNT, and their hybrid nanofluids, at below-ambient temperatures.

Keywords: ASTM, American Society for Testing and Materials; Below ambient temperatures; CAPES, Coordenação de Aperfeiçoamento de Pessoal de Nível Superior; CCHP – combined cooling heating and power; CCHP, Combined Cooling Heating and Power; CNPq, Conselho Nacional de Desenvolvimento Científico e Tecnológico; CNT, Carbon Nano Tube; Dynamic viscosity; FAPEMIG, Fundação de Amparo à Pesquisa do Estado de Minas Gerais; FAPERJ, Fundação de Amparo à Pesquisa do Estado do Rio de Janeiro; Graphene; LEST-nano, Energy, Thermal Systems and Nanotechnology Laboratory at UFU; LRAC, Laboratório de Refrigeração e Condcionamento de Ar; MCNT, MultiWalled Carbon Nano Tube; MWCNT- multi walled carbon nano tube; NBR, Normas Brsileiras; Nanofluids; PUC-Rio, Pontifícia Universidade Católica do Rio de Janeiro; UFU, Federal University of Uberlândia.