Virtauslaskenta traktorien tuotekehityksessä

This work describes the deployment of the current fluid flow simulation software, Star-CCM+, at Valtra Inc. The text also gives a brief introduction to computational fluid dynamics and its role in the product development process for an engineer at the company. Two computational test cases are also d...

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Main Author: Makkonen, Pekka
Other Authors: Matemaattis-luonnontieteellinen tiedekunta, Faculty of Sciences, Fysiikan laitos, Department of Physics, University of Jyväskylä, Jyväskylän yliopisto
Format: Master's thesis
Language:fin
Published: 2016
Subjects:
Online Access: https://jyx.jyu.fi/handle/123456789/49638
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author Makkonen, Pekka
author2 Matemaattis-luonnontieteellinen tiedekunta Faculty of Sciences Fysiikan laitos Department of Physics University of Jyväskylä Jyväskylän yliopisto
author_facet Makkonen, Pekka Matemaattis-luonnontieteellinen tiedekunta Faculty of Sciences Fysiikan laitos Department of Physics University of Jyväskylä Jyväskylän yliopisto Makkonen, Pekka Matemaattis-luonnontieteellinen tiedekunta Faculty of Sciences Fysiikan laitos Department of Physics University of Jyväskylä Jyväskylän yliopisto
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description This work describes the deployment of the current fluid flow simulation software, Star-CCM+, at Valtra Inc. The text also gives a brief introduction to computational fluid dynamics and its role in the product development process for an engineer at the company. Two computational test cases are also described. A simpler case of the simulation of an engine air intake channel flow is shown first. The results show better agreement with the measured values than the outsourced simulation that was used as a reference. The second case is the so called underhood analysis which is a flow simulation of the whole Valtra N-series front end, including fan and heat exchangers. It is a steady state simulation using Multiple Reference Frame model for the fan. The results are in a good agreement with the outsourced transient simulation which was used a reference. The performance of the fan model is better than expected and the system mass flow is higher than the one in the reference simulation. When compared to the Limiting Ambient Temperature test the results show moderate agreement. The biggest differences between the simulations and measurement are seen at the performance of the charged air cooler.
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spellingShingle Makkonen, Pekka Virtauslaskenta traktorien tuotekehityksessä virtauslaskenta simulointi CFD Soveltava fysiikka Applied Physics 4023
title Virtauslaskenta traktorien tuotekehityksessä
title_full Virtauslaskenta traktorien tuotekehityksessä
title_fullStr Virtauslaskenta traktorien tuotekehityksessä Virtauslaskenta traktorien tuotekehityksessä
title_full_unstemmed Virtauslaskenta traktorien tuotekehityksessä Virtauslaskenta traktorien tuotekehityksessä
title_short Virtauslaskenta traktorien tuotekehityksessä
title_sort virtauslaskenta traktorien tuotekehityksessä
title_txtP Virtauslaskenta traktorien tuotekehityksessä
topic virtauslaskenta simulointi CFD Soveltava fysiikka Applied Physics 4023
topic_facet 4023 Applied Physics CFD Soveltava fysiikka simulointi virtauslaskenta
url https://jyx.jyu.fi/handle/123456789/49638 http://www.urn.fi/URN:NBN:fi:jyu-201605042420
work_keys_str_mv AT makkonenpekka virtauslaskentatraktorientuotekehityksessä