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Heat Transfer Performance and Fouling Factor Analysis of Carbon Dot Nanofluid Synthesized Using One-step Method by Albin Joseph; Shijo Thomas is a Materials Science article available to read on EtoBox.

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Heat transfer enhancement using nanofluids has been an established technique for the past few decades. However, the practical usage of the nanofluids is limited due to their various colloidal issues viz fouling and colloidal stability. This paper presents an experimental analysis of the fouling factor of carbon-dot nanofluid synthesized using a one-pot synthesis technique. In addition, the thermal performance of this heat transfer fluid/ nanofluid on a double-pipe heat exchanger was studied. Design of experiment concept was adopted to analyse the influence of various parameters like flow rate of hot and cold fluid and the inlet temperature of hot fluid on heat transfer coefficient. The resultant fouling factor observed during the study was 0.000682 m 2 K W −1 . In addition, the experimentation on heat transfer performance of double pipe heat exchanger revealed that at optimum flowrates of 85 L h −1 (Cold and hot fluid) and inlet hot fluid temperature of 48 °C a maximum heat transfer coefficient of 369.5 W m −2 K −1 was observed. As it is well know that the operation conditions of the heat exchanger highly influence the heat transfer performance. This was studied using the response

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Author

Albin Joseph; Shijo Thomas

Publisher

Springer Science and Business Media LLC

Published

2023

Language

EN

Field

Materials Science (Physical Sciences)