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Siemens Digital Industries Software is driving transformation to enable a digital enterprise where engineering, manufacturing and electronics design meet tomorrow. 


The Xcelerator portfolio helps companies of all sizes create and leverage digital twins that provide organizations with new insights, opportunities and levels of automation to drive innovation. 


For more information on Siemens Digital Industries Software products and services, visit siemens.com/software or follow us on LinkedIn, Twitter, Facebook and Instagram. Siemens Digital Industries Software – Where today meets tomorrow.

Mr. Vincent Braibant

Mr. Vincent Braibant

VP Simulation & Test Solutions

Representative

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16 July 2021

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WMS2022-08

Slides

Siemens Digital Industries: Sudhi Uppuluri

Detail

At Siemens, we have been working on developing Comprehensive Digital Twins for key technologies that enable sustainable mobility. In this brief talk, I share the three elements that enable this – Firstly, capturing the complex multi-physics of batteries and motors that enable the virtual representation to be accurate enough for optimizing and predicting failure modes. Secondly, combining the strengths of human and machine to uncover unconventional solutions, and finally, leveraging all of this during operation for predictive maintenance and continued operations of the fleets.

FISITA World Mobility Summit 2022

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The role of comprehensive digital twin in enable Sustainable Mobility, WMS2022-08, FISITA World Mobility Summit 2022

F2020-EPV-041

Paper + Video

Ing. Albert Gascón-Vallbona, Applus+ IDIADA, SPAIN
Ing. Marc Soler Aldea, Applus+ IDIADA, SPAIN

Detail

This paper presents the work carried out by Applus+ IDIADA on the effect that trailer drag reducing devices have on the overall truck aerodynamic performance, as well as proving the applicability and feasibility of Computational Fluid Dynamics (CFD) as alternative approach to Constant Speed Testing (CST) when predicting the changes in CDxA [m2]. Out of all possible solutions for reducing aerodynamic resistance on semitrailers, boat tails and side skirts seem to be the most popular devices nowadays. Other potential drag reduction devices such as vortex generators, trailer diffusers or trailer undertrays have also been identified and are not rare in other markets with a more mature regulation regarding CO2 emissions, such as the United States. For starters, simple and non-commercial shapes mimicking a 400mm boat tail and a short version of trailer side skirts, covering only the side ride protection bars, were manufactured and tested at the IDIADA Proving Ground facilities according to the test procedure described in Annex 8 of the Commission Regulation (EU) 2017/2400 of 12 December 2017. The vehicle configuration consisted of an IVECO Stralis equipped with their Hi-Way Cabin from 2016 and a standard semitrailer “ST1” manufactured by Schmitz Cargobull. In total, four different configurations were tested, consisting of the standard configuration (C00) and its variants: Boat tail (C01), side skirts (C02) and both devices mounted together (C03). This later configuration was also used to identify potential effects when mounting more than one device at a time. Parallel to the experimental approach, the corresponding virtual 3D models were built and simulated with the commercial code STAR-CCM+® by SIEMENS following two different strategies: steady-state and transient approaches. This work shows the potential of virtual tools, such as CFD, proving the accuracy in which not only changes in aerodynamic resistance are predicted, but also absolute drag coefficient values and, as a consequence, opening the door to potential future virtual homologation processes.

FISITA World Congress 2021

EPV - Emissions and Pollutants Caused by Vehicles

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Comparison of CFD methods with air drag test values for commercial vehicles, F2020-EPV-041, FISITA World Congress 2021

F2020-ADM-081

Paper

Ing. Rares Lucian Chiriac, "Transilvania" University, ROMANIA; Prof. Dr.-Ing. Anghel Chiru, "Transilvania" University, ROMANIA

Detail

Internal combustion engines have an operating efficiency which can be exploited to increase their performance. Part of the residual gases can be recovered through technical solutions such as turbocharging. The turbocharging solution is one of the most popular technical solutions for increasing the energy performance of internal combustion engines. A turbocharger is used for the turbocharging process. The turbocharger can also contribute with new technical solutions to increase the energy performance of the internal combustion engines. One of the solutions proposed for the theoretical and experimental research is the hybrid turbocharger, which has a double function, namely to compress the fresh air for the internal combustion engine, and to generate electricity for the electric engine of the vehicle both for consumption and to be stored in batteries.


This article aims to present the result of the experimental research of the hybrid turbocharger, simulate and validate the new solutions for increasing the energy performance of internal combustion engines through hybrid turbochargers using a coupled electric generator. The simulations will be made using the AMESim Sofware developed by Siemens to demonstrate the efficiency of the new solutions such as a hybrid turbocharger through calculations. The tests will be carried out with the test bed CIMAT. CIMAT test bed is a machine which provides high pressure air which simulates the combustion gases of an engine.


The purpose of the CIMAT test bed is to rotate the hybrid turbocharger turbine and the compressor wheel as well. More technical information about the hybrid turbocharger test will be presented in the scientific article, as well as constructive details. Based on the technical information and input data in the first phase, an application for the simulation and validation of the prototype will be made to demonstrate the great potential of the turbocharger to also produce green energy.

FISITA Web Congress 2020

Advanced Vehicle Driveline and Energy Management (ADM)

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The New Solutions of Energy Utilization of the Exhaust Gases of the Internal Combustion Engines Through Hybrid Turbochargers, F2020-ADM-081, FISITA Web Congress 2020
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