Thermal Validation Study of AdBlue® Melting for Off Highway Vehicles
Selective Catalytic Reduction (SCR) is a process where one injects an aqueous solution of urea into a diesel exhaust system in order to reduce NOx emissions. The urea solution known as AdBlue® or Diesel Exhaust Fluid (DEF) is stored in a DEF Tank that can under cold weather conditions freeze over. Since AdBlue® is unusable while frozen, we use heaters installed in the tanks to melt AdBlue® with government regulations mandating time required to melt AdBlue® in the tank.In this article, we investigate whether a CFD (Computational Fluid Dynamics) based methodology can accurately evaluate time required in melting AdBlue® for a given DEF Tank and heater coil design for a production vehicle as per standard testing procedure. Simulations used a coupled methodology with PowerFLOW® as the flow solver and PowerTHERM® as the thermal solver. The flow simulation did require an accurate modelling of phase change from solid to liquid for AdBlue®. We observe excellent agreement between test data and simulation and conclude that we can employ a simulation-based approach to validate and certify DEF Tank design.
- Record URL:
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Availability:
- Find a library where document is available. Order URL: http://worldcat.org/issn/01487191
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Supplemental Notes:
- Abstract reprinted with permission of SAE International.
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Authors:
- Mukutmoni, Devadatta
- Kandasamy, Satheesh
- Tabacchi, Diletta
- Scotti, Marco
- Crippa, Luca
- Filippova, Olga
- Zhou, Chong
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Conference:
- WCX SAE World Congress Experience
- Location: Detroit & Online Michigan, United States
- Date: 2022-4-5 to 2022-4-7
- Publication Date: 2022-3-29
Language
- English
Media Info
- Media Type: Web
- Features: References;
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Serial:
- SAE Technical Paper
- Publisher: Society of Automotive Engineers (SAE)
- ISSN: 0148-7191
- EISSN: 2688-3627
- Serial URL: http://papers.sae.org/
Subject/Index Terms
- TRT Terms: All terrain vehicles; Cold weather; Diesel engine exhaust gases; Exhaust system components; Fluid dynamics; Nitrogen oxides; Selective catalytic reduction; Weather and climate
- Subject Areas: Highways; Vehicles and Equipment;
Filing Info
- Accession Number: 01841783
- Record Type: Publication
- Source Agency: SAE International
- Report/Paper Numbers: 2022-01-0560
- Files: TRIS, SAE
- Created Date: Apr 6 2022 2:18PM