DESIGN IMPLEMENTATION OF TEST STANDS FOR PHASE CHANGE THERMAL ENERGY STORAGE SYSTEMS FOR PRE-START PREPARATION OF INTERNAL COMBUSTION ENGINES IN AUTOMOBILES
DOI:
https://doi.org/10.35546/kntu2078-4481.2025.1.1.11Keywords:
heat accumulator, internal combustion engine, heat exchanger, road transportAbstract
This study examines the design features of test stands for evaluating thermal energy storage systems used to improve the starting performance of internal combustion engines (ICEs) in automotive transport. The starting characteristics of engines, especially in low-temperature conditions, significantly affect the vehicle’s operational efficiency, fuel economy, and reduction of harmful emissions. One potential way to improve starting performance is by using thermal energy storage devices that provide preheating of the coolant and other engine components, which greatly reduces the negative impact of low temperatures on engine operation. To assess the effectiveness of such technologies and study their impact on the vehicle’s technical parameters, specialized test stands are required to model various operating conditions and conduct tests in a controlled environment. One of the main tasks is to develop stand designs that ensure not only measurement accuracy and reliability but are also adaptable to different types of thermal energy storage systems and internal combustion engines. An important aspect is the creation of conditions that closely mimic real-life situations to accurately determine the impact of thermal storage systems on engine performance during startup. Testing should involve different types of coolants used in automotive engine systems, which will allow for the identification of optimal conditions for both the engines themselves and the thermal energy storage systems, particularly during various heating stages. Studying the design features of test stands for evaluating thermal energy storage systems enables the development of more efficient engine starting methods, which positively affect fuel consumption reduction, harmful emission reduction, and increase the energy efficiency and economic viability of automotive transport usage.
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