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http://dx.doi.org/10.5762/KAIS.2020.21.10.379

A Study on the Coolant leaks Prevention Design of Heaters for Combat Vehicles  

Park, Dong Min (Land Systems Center, Defence Agency for Technology and Quality)
Kwak, Daehwan (Land Systems Center, Defence Agency for Technology and Quality)
Jang, Jongwan (System Engineering Team 1, Hanwha Defense)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.21, no.10, 2020 , pp. 379-385 More about this Journal
Abstract
This paper presents a design for preventing coolant leaks in the core part of a heater mounted in a combat vehicle. The heater is a device that makes heated coolant flow through the heater core in the crew room. A problem with coolant leaks in the heater core area during the operation of a combat vehicle was identified. This problem is caused mainly by high pressure at the junction of the tank and tube due to the vulnerability of this area. To solve this problem, an improved core was made by improving the welding method and changing the end region of the heater core to a structure that can withstand high pressure. When pressure was applied sequentially to the existing core and improved core, a leak occurred at 7.0 kgf/㎠ in the existing core while the improved core maintained its structure up to 17.0 kgf/㎠, highlighting the improvement. Finally, performance tests and environment tests were conducted to demonstrate the suitability of the improved structure. The improved heater will be applied to combat vehicles. This paper is expected to serve as a reference for improving defense capabilities by securing reliability as well as the design and analysis of failures of similar equipment.nse capabilities through securing reliability as well as the design and analysis of failures of similar equipment.
Keywords
Heater; Combat Vehicle; Coolant Leaks; Heater Core; Quality Improvement;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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