THERMAL SCIENCE

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Srinath Soundararajan

,

Mahalingam Selvaraj

INVESTIGATIONS OF PROTRACTED FINNED DOUBLE PIPE HEAT EXCHANGER SYSTEM FOR WASTE HEAT RECOVERY FROM DIESEL ENGINE EXHAUST

ABSTRACT
The need for energy and material savings, as well as environmental concerns, have helped to increase the demand for high efficiency heat exchangers in the modern era. In practice, a heat exchanger or the direct ejection of the hot working fluid is used to recover the waste heat from a heat engine or thermal power plant into the environment. Waste heat of a heat engine or power plant is recovered to the environment via a heat exchanger or by direct ejection from the hot working fluid. In many situations, waste heat recovery removes or greatly reduces the necessity for additional fuel energy input to achieve this goal. The double pipe heat exchanger equipment is taken in this research, heat from engine exhaust recovers due to its superior qualities. The design characteristics of the heat pipe will be changed in order to increase overall efficiency by studying the concepts of various authors. Different design parameters for a double pipe heat exchange system as well as different working fluid-flow rates are tested with the suggested device. Additionally, ANSYS performs CFD for the proposed heat exchanger system in order for the results to support the experimental findings.
KEYWORDS
Double pipe heat exchanger, waste heat recovery system, Engine Exhaust Gas, heat transfer, thermal efficiency, Ansys-CFD
PAPER SUBMITTED: 2023-02-12
PAPER REVISED: 2023-05-09
PAPER ACCEPTED: 2023-05-16
PUBLISHED ONLINE: 2023-07-16
DOI REFERENCE: https://doi.org/10.2298/TSCI230212143S
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2023, VOLUME 27, ISSUE Issue 5, PAGES [3783 - 3793]
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Investigations of protracted finned double pipe heat exchanger system for waste heat recovery from diesel engine exhaust

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