Thermomechanical Analysis of Diesel Engine Exhaust Manifold

Cardoso, Ademar de Azevedo; Andreatta, Ederson Claudio

doi:10.4271/2016-36-0258

Cited by 4 publications

(7 citation statements)

References 11 publications

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“…There are two strain types of an elastic body, primarily when the component is generated by free expansion; otherwise, the component is generated by internal constraints of various fractions during the thermal analysis [11]. When varying the temperature from cold to hot, the bolt forces also vary [5]. Figure 8 illustrates the manifold bolt behavior during the cyclic loading, Load Case 1 represents a cold situation.…”

Section: Thermal Stress Analysis Resultsmentioning

confidence: 99%

“…Figure 12 shows the area where plasticity occurred. The equivalent strain occurred on the manifold where the bolt head is located [5] and on the sharp corners between the cylinders.…”

Section: Thermal Stress Analysis Resultsmentioning

confidence: 99%

“…The contact preparation is important to see the effect of bolt loading [5]. The contact interfaces are listed below:…”

Section: Thermal Stress Analysismentioning

confidence: 99%

“…It is because the non-linear material's physical properties have been changed during the heating, which causes thermal stress [4]. Such behavior can lead to a more severe condition, fatigue, which needs to be prevented and optimized in the design [5]. Hence, understanding the thermal behavior of the structure for the cyclic temperature is important because the thermal load has a close relationship with low-cycle fatigue phenomena [6].…”

Section: Introductionmentioning

confidence: 99%

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Untitled

2023

IJSTT

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The commonly used form of transportation mostly relies on-road vehicles nowadays. A vehicle is a mechanism to commute between places with higher efficiency and less time consumption. A vehicle usually consists of multiple working components, in which the engine is well-known to be one of its most crucial components. Although it can be considered the most vital component in a vehicle, the knowledge gaps for an engine are still unlimited. So much more potential can be explored for an engine to reach its maximum capabilities. Part of the perspective that should be explored is to study the engine's thermal properties. This paper aims to investigate the effect of varying temperatures at the exhaust manifold under a certain amount of time spans. The temperature varied from low to high and vice versa for 6 cycles. The results revealed that the exhaust manifold had undergone an alteration in the strain of the body's elasticity. Because of that, the displacement of the exhaust manifold, load distribution, and direction have also been affected.

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Section: Thermal Stress Analysis Resultsmentioning

confidence: 99%

“…Figure 12 shows the area where plasticity occurred. The equivalent strain occurred on the manifold where the bolt head is located [5] and on the sharp corners between the cylinders.…”

Section: Thermal Stress Analysis Resultsmentioning

confidence: 99%

“…The contact preparation is important to see the effect of bolt loading [5]. The contact interfaces are listed below:…”

Section: Thermal Stress Analysismentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Untitled

2023

IJSTT

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“…Egzoz manifoldu üzerindeki sıcaklığın artışı ile egzoz manifoldunun genleşmesi cıvatalar ile kısıtlanır. Bu kısıtlamalar manifold üzerinde yüksek yerel streslere ve elastik olmayan deformasyonlara neden olur [1,2].…”

Section: Introductionunclassified

Design and Analysis of the Exhaust Manifold in a 6-Cylinder Commercial Diesel Engine

Kaya,

Büyük,

Öztürk

2023

OPRD

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The exhaust manifold is one of the engine parts in internal combustion engines that operates under the influence of high temperatures. To prevent issues arising from the expansion movement due to high temperature effects, the exhaust manifold of a 6-cylinder commercial diesel engine has been designed in three parts. Sealing rings that can withstand high temperatures are used in the three-part exhaust manifold to prevent gas leaks. For the exhaust manifold, 1-dimensional, thermal, flow, and structural analyses have been performed. Initially, based on the structural analysis of the exhaust manifold conducted without sealing rings, sealing ring selection was made according to the deformation values of the exhaust manifold. In the structural analysis, the PEEQ (equivalent plastic strain) method, which is utilized to determine the thermomechanical fatigue crack initiation area, is employed. In this study, an approach using this method was undertaken, and the crack initiation area was examined.

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Add-On Energy Harvesting of Diesel Exhaust Muffler Using Thermoelectric Generator

Atmajaya

Suwandono

2023

j. of sci. and appl.eng.

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Trends Light fossil fuel vehicles are now turning to electricity. The electric vehicle transition begins with a hybrid car. The Hybrid vehicle uses an internal combustion engine as a generator. Controller systems, driving safety and entertain light vehicles are growing so that they consume a lot of electricity, Safe devices and driving lifestyle support. An additional battery charging system for a hybrid car now is being developed by the automotive manufacturer at least the system can increase the fulfilment of electricity consumption needs.The charging system can utilize waste energy vehicle itself or even from outside the vehicle system. In this research, the author wants to explore the thermal energy harvesting system in the remaining exhaust gases. The concept of this research is to develop a Thermoelectric Generator (TEG) as a power producer. The heat source uses a 140kW diesel engine with a heat potential of 523K at stationary conditions, and an exhaust velocity of 1407.05 m / s. This study demonstrates the potential prototype TEG then compared Ansys simulation and manual calculations as the first step for further research. The results obtained, the Exhaust TEG can produce a voltage of 2.1 Volt at 30 seconds of data collection. The cooling system on the TEG exhaust from the HVAC cooler with a temperature of 289K and a Velocity of 0.8 can produce a significant temperature difference.Keywords: Diesel Engine, Thermoelectric, Exhaust TEG system, Electricity.

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Thermomechanical Analysis of Diesel Engine Exhaust Manifold

Cited by 4 publications

References 11 publications

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Design and Analysis of the Exhaust Manifold in a 6-Cylinder Commercial Diesel Engine

Add-On Energy Harvesting of Diesel Exhaust Muffler Using Thermoelectric Generator

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