Structural Performance Improvement of an Automotive HVAC Refrigerant Line Design Using FEA Techniques

Arunachalam, Muthukumar; Gurumoorthy, S; Muthusamy, Puvanesh Gandhi; Aj, Karthik

doi:10.4271/2019-01-0811

Cited by 2 publications

(3 citation statements)

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“…Being subjected to stress, there is the possibility of reducing their life cycles, and the reliability of the system must be evaluated in order to establish and schedule specific maintenance and repair activities [2]. Customers' expectations for increased comfort and luxury always require continuous development of vehicle HVAC control systems [3].…”

Section: Introductionmentioning

confidence: 99%

“…The refrigerant line is part of an HVAC system and is a closed loop system through which the refrigerant circulates to absorb heat from the air. The refrigerant line is connected to a compressor, coupled to the engine, and is mounted on the vehicle body in different locations, depending on the specific requirements according to the assembly procedure [3,17]. Figure 1 shows a detailed presentation of an HVAC system by presenting the essential components that contribute to the effective functionality of the system.…”

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confidence: 99%

“…Problem DefinitionBusiness CaseThe new vehicle segment had poor results in the heat ventilation and air conditioning (HVAC) areaSymptomsAir conditioner/fan/blower-noisy (1) Air conditioner-does not get cold enough(2) Heater/AC smells moldy/stale(3) …”

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confidence: 99%

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Quality Study on Vehicle Heat Ventilation and Air Conditioning Failure

2021

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The automotive industry has set a highly demanding standard to meet customer satisfaction. The paper aimed to detail how quality analysis has been conducted to state the main causes that generated nonconformities of heat, ventilation and air conditioning (HVAC) systems. Problems have been reported on HVAC systems, such as noise, not being cold enough and moldy smell issues. All three problems determined by customer reports initiated the first contribution of this paper, namely by an initial quality study, and generated the investigation using is/is not problem scoping, data analysis, and graphical analysis. Pareto analysis and the Plan, Do, Check and Act (PDCA) approach are used to highlight the traceability of the actions performed in the evaluation of the problems and the detection of the causes related to each problem. The data analysis process and the data obtained from the analysis are the core of this paper. An immediate action plan is proposed, concluding with the hypothesis that the root cause is the blockage of the heater. This methodology has significant potential for being implemented, even for other components in the same industry or different sectors.

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Section: Introductionmentioning

confidence: 99%

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confidence: 99%