Registration Number
0221U104431,
0119U002289
, R & D reports
Title
Study of the nanofluids thermophysical properties and the process of convective heat transfer during their flowing in a pipe.
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Head
Artemenko Sergii V., Доктор технічних наук
Registration Date
23-03-2021
Organization
Odesa National Academy of Food Technologies
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One of the promising directions of the enhancing the energy efficiency and competitiveness of various industrial systems which generate or consume heat power energy is the use of nanofluids instead of traditional heat transfer agents.
The methods of producing the nanofluids that are promising as heat transfer agents (aqueous solutions of propylene glycol and isopropanol containing Al2O3 nanoparticles, tetralin containing fullerene C60), also as the results of experimental study of their colloidal stability are presented in the project. A comprehensive experimental study of their thermophysical properties was performed. The important results for heat exchangers designing were obtained within the framework of mentioned experimental study. A method for predicting the nanofluids heat capacity has been proposed. Using this method significantly reduces the expenditures of the experimental study of the heat transfer agents' (nanofluids) caloric properties. An experimental study of the hydraulic and heat transfer parameters during the flow of nanofluids isopropanol/nanoparticles Al2O3 and tetralin/fullerene C60 in a pipe in a wide range of nanoparticle and fullerene fractions and various Reynolds numbers were performed. The heat transfer coefficients enchanting when using nanofluids as heat transfer agents were confirmed. An assessment of the expediency of using nanofluids as heat transfer agents were performed. The expediency of their introduction into the industry to reduce the weight and size parameters of heat exchangers was shown. A new eco-energy indicator for analyzing the expediency of introducing nanofluids as heat transfer agents into heat power equipment has been proposed. This indicator corresponds to the latest trends in the development of the heat power industry aimed at greenhouse gas emission reduction. This indicator will be a useful tool for justifying the choice of heat transfer agents during heat power equipment designing or modernization.
Product Description
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Ivchenko Dmitro O.
Artemenko Sergii V.
Zhelezny Vitaly P.
Mazur Victor A.
Motovoy Igor V.
Khliyeva Olga Ya.
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2021-03-23
