Our team

Articles in peer reviewed journals [24 Results]

• Janke, D.; Willink, D.; Ammon, C.; Doumbia, E.; Römer, A.; Amon, B.; Amon, T.; Hempel, S. (2022): Verification analysis of volume flow measured by a direct method and by two indirect CO2 balance methods. Applied Sciences. (10): p. 5203. Online: https://doi.org/10.3390/app12105203
• Hempel, S.; Ouatahar, L.; Janke, D.; Doumbia, E.; Willink, D.; Amon, B.; Bannink, A.; Amon, T. (2022): Ammonia emission prediction for dairy cattle housing from reaction kinetic modeling to the barn scale. Computers and Electronics in Agriculture. (August): p. 107168. Online: https://doi.org/10.1016/j.compag.2022.107168
• Hempel, S.; Janke, D.; Losand, B.; Zeyer, K.; Zähner, M.; Mohn, J.; Amon, T.; Schrade, S. (2022): Comparison of methane emission patterns from dairy housings with solid and slatted floors at two locations. Agronomy. (2): p. 381. Online: https://doi.org/10.3390/agronomy12020381
• Doumbia, E.; Janke, D.; Yi, Q.; Prinz, A.; Amon, T.; Kriegel, M.; Hempel, S. (2021): A Parametric Model for Local Air Exchange Rate of Naturally Ventilated Barns. Agronomy. (8): p. 1585. Online: https://doi.org/10.3390/agronomy11081585
• Doumbia, E.; Janke, D.; Yi, Q.; Amon, T.; Kriegel, M.; Hempel, S. (2021): CFD modelling of an animal occupied zone using an anisotropic porous medium model with velocity depended resistance parameters. Computers and Electronics in Agriculture. (February 2021): p. 105950. Online: https://doi.org/10.1016/j.compag.2020.105950
• Doumbia, E.; Janke, D.; Yi, Q.; Zhang, G.; Amon, T.; Kriegel, M.; Hempel, S. (2021): On finding the right sampling lines height through a parametric study of gas dispersion in a NVB. Applied Sciences. (8): p. 4560. Online: https://doi.org/10.3390/app11104560
• Janke, D.; Swaminathan, S.; Hempel, S.; Kasper, R.; Amon, T. (2021): Particulate matter dispersion modeling in agricultural applications: investigation of a transient open source solver. Agronomy. (11): p. 2246. Online: https://doi.org/10.3390/agronomy11112246
• Janke, D.; Willink, D.; Ammon, C.; Hempel, S.; Schrade, S.; Demeyer, P.; Hartung, E.; Amon, B.; Ogink, N.; Amon, T. (2020): Calculation of ventilation rates and ammonia emissions: Comparison of sampling strategies for a naturally ventilated dairy barn. Biosystems Engineering. (October 2020): p. 15-30. Online: https://doi.org/10.1016/j.biosystemseng.2020.07.011
• Janke, D.; Yi, Q.; Thormann, L.; Hempel, S.; Amon, B.; Nosek, S.; van Overbeke, P.; Amon, T. (2020): Direct measurements of the volume flow rate and emissions in a large naturally ventilated building. Sensors. (21): p. 6223. Online: https://doi.org/10.3390/s20216223
• Yi, Q.; Zhang, G.; Li, H.; Wang, X.; Janke, D.; Amon, B.; Hempel, S.; Amon, T. (2020): Estimation of opening discharge coefficient of naturally ventilated dairy buildings by response surface methodology. Computers and Electronics in Agriculture. (Februar 2020): p. 105224. Online: https://doi.org/10.1016/j.compag.2020.105224

Bookchapters and proceedings [29 Results]

• Janke, D.; Yi, Q.; Hempel, S.; Amon, T. (2022): Direkte Messung der Emissionen aus frei gelüfteten Ställen. In: KTBL(eds.): 15th Conference Construction, Engineering and Environment in Livestock Farming. 15. BTU 2022. KTBL, Darmstadt, p. 169-173.
• Yi, Q.; Janke, D.; Thormann, L.; Hempel, S.; Amon, B.; Amon, T. (2022): Wind tunnel measurements of airflows and gas concentrations downwind a naturally-ventilated pig building model. In: Institute of Thermomechanics Czech Ac. of Sciences(eds.): International Workshop on Physical Modelling of Flow and Dispersion Phenomena 2022. PHYSMOD 2022. Institute of Thermomechanics of the Czech Academy of Sciences, Prag, (ISBN: 78-80-87012-81-9), p. 259-263.
• Zhao, Y.; Sark, V.; Ulbricht, M.; Janke, D.; Hempel, S.; Hoffmann, G.; Amon, T.; Amon, B.; Krstic, M.; Grass, E. (2022): Cattle Urination Behaviour Remote Monitoring using mmWave FMCW RADAR. In: Thomas Scheffler & Christoph Lange (Hrsg.)(eds.): 19. GI/ITG KuVS Fachgespräch Sensornetze. 19. GI/ITG KuVS Fachgespräch Sensornetze. Fachbereich Energie und Information Hochschule für Technik und Wirtschaft Berlin (HTW Berlin), Berlin, p. 47-50. Online: https://www.HTW-Berlin.de doi:10.34702/mncp-qb18
• Sahu, H.; Janke, D.; Amon, T.; Hempel, S. (2022): Investigation of the vertical distribution of ammonia, methane, and carbon dioxide in a naturally ventilated dairy barn - Evaluation of gaseous pollutants concentrations. In: VDI Wissensforum GmbH(eds.): Tagungsband AgEng Landtechnik 2022. AgEng-LAND.TECHNIK 2022. VDI Verlag GmbH, Düsseldorf, (0083-5560/978-3-18092406-9), p. 601-609.
• Doumbia, E.; Amon, T.; Hempel, S. (2022): Pressure drop of an animal occupied zone depending on the animals positioning. In: VDI Wissensforum GmbH(eds.): Tagungsband AgEng Landtechnik 2022. AgEng-LAND.TECHNIK 2022. VDI Verlag GmbH, Düsseldorf, (0083-5560/978-3-18092406-9), p. 381-386.
• Hempel, S.; Ouatahar, L.; Janke, D.; Amon, T. (2022): A nested semi-mechanistic model to predict the temporal dynamics of ammonia emissions from a solid floor naturally ventilated dairy cattle building - Parameter estimation and associated uncertainties. In: VDI Wissensforum GmbH(eds.): Tagungsband AgEng Landtechnik 2022. AgEng-LAND.TECHNIK 2022. VDI Verlag GmbH, Düsseldorf, (0083-5560/978-3-18092406-9), p. 197-202.
• Hempel, S.; Hoffmann, G.; Müschner-Siemens, T.; Heinicke, J.; Pinto, S.; Amon, T. (2020): Diagnostizierte und prognostizierte tierspezifische Hitzestressbelastungen bei steigenden Temperaturen und erhöhter Klimavariabilität. In: Hansen, C.; Tober, O.; Sanftleben, P.(eds.): Beiträge zum Thema Stallklima in der Tierhaltung 2020 Arbeitsgruppe Stallklima und Emissionen der Koordinierungsgruppe Tierhaltung. . Landesforschungsanstalt für Landwirtschaft und Fischerei Mecklenburg-Vorpommern, Gülzow-Prüzen, (978-3-00-064640-9), p. 28-37. Online: https://www.landwirtschaft-mv.de/serviceassistent/download?id=1626265
• Hoffmann, G.; Strutzke, S.; Pinto, S.; Heinicke, J.; Hempel, S.; Amon, T. (2020): Atemfrequenz als Hitzestress-Parameter bei Milchkühen und dessen automatische Erfassung durch einen neuen Atemsensor. In: Hansen, C.; Tober, O.; Sanftleben, P.(eds.): Beiträge zum Thema Stallklima in der Tierhaltung 2020 Arbeitsgruppe Stallklima und Emissionen der Koordinierungsgruppe Tierhaltung. . Landesforschungsanstalt für Landwirtschaft und Fischerei Mecklenburg-Vorpommern, Gülzow-Prüzen, (978-3-00-064640-9), p. 21-27. Online: https://www.landwirtschaft-mv.de/serviceassistent/download?id=1626265
• Saha, C.; Janke, D.; Yi, Q.; Hempel, S.; Amon, T. (2020): CFD Simulation for Understanding the Effects of Wind Direction and Surroundings on Airflow and Air Exchange Rate of a Naturally Ventilated Dairy Building. In: ASABE(eds.): 2020 ASABE Annual International Meeting Presentations. ASABE 2020 Annual International Meeting. American Society of American Society of Agricultural and Biological Engineers, St. Joseph, MI 49085, USA, (https://doi.org/10.13031/aim.202000788), p. 1-9. Online: https://doi.org/10.13031/aim.202000788
• Doumbia, E.; Hempel, S.; Janke, D.; Amon, T. (2019): Numerical Determination of air Exchange Rate of and Inside a Naturally Ventilated Barn Depending on Incoming Wind Angle and Barn’s Length/Width. In: EFITA-ORG.eu(eds.): EFITA 2019 Conference Proceedings (e-book). 12th EFITA International Conference. Rhodes Island, Greece, (978-618-84798-0-7), p. 132-137. Online: https://efita-org.eu/wp-content/uploads/2020/03/EFITA_Proceedings_e-book.pdf

Orals and posters [68 Results]

• Hempel, S.; Ouatahar, L.; Janke, D.; Amon, T. (2022): A nested semi-mechanistic model to predict the temporal dynamics of ammonia emissions from a solid floor naturally ventilated dairy cattle building - Parameter estimation and associated uncertainties.
• Doumbia, E.; Amon, T.; Hempel, S. (2022): Pressure drop of an animal occupied zone depending on the animals positioning.
• Sahu, H.; Janke, D.; Amon, T.; Hempel, S. (2022): Investigation of the vertical distribution of ammonia, methane, and carbon dioxide in a naturally ventilated dairy barn - Evaluation of gaseous pollutants concentrations.
• Yi, Q.; Janke, D.; Thormann, L.; Hempel, S.; Amon, B.; Amon, T. (2022): Wind tunnel measurements of airflows and gas concentrations downwind a naturally-ventilated pig building model.
• Amon, T.; Foroushani, S.; Hoffmann, G.; Heinicke, J.; Dißmann, L.; Janke, D.; Hempel, S.; Ammon, C. (2022): Thermodynamic prediction of heat stress in dairy cattle - predictive models for barn climate optimization.
• Janke, D.; Yi, Q.; Hempel, S.; Amon, T. (2022): Direkte Messung der Emissionen aus frei gelüfteten Ställen.
• Janke, D.; Swaminathan, S.; Hempel, S.; Kasper, R.; Amon, T. (2022): Simulation of particulate matter dispersion - Validation study of an open source solver for agricultural applications.
• Bagci, O.; Janke, D.; van Overbeke, P.; Demeyer, P.; Hempel, S.; Amon, B.; Amon, T. (2021): CFD Analysis and model validation for a naturally ventilated dairy barn.
• Janke, D.; van Overbeke, P.; Bagci, O.; Demeyer, P.; Hempel, S.; Amon, B.; Amon, T. (2021): Direct measurements of ventilation rates and emissions on a naturally ventilated dairy barn.
• Amon, T.; Heinicke, J.; Pinto, S.; Müschner-Siemens, T.; Hoffmann, G.; Ammon, C.; Hempel, S.; Janke, D.; Amon, B. (2021): Landwirtschaft & Klimawandel - vor welchen Herausforderungen steht die Tierhaltung?.