@InProceedings{Atma2023,
    author      = {Peter N. Atma and Andrew H. R. Lamkin and Joaquim R. R. A. Martins},
    title       = {Comparing Hydrogen and {Jet-A} for an {N}+3 Turbofan with Water Recirculation using Gradient-Based Optimization},
    address     = {San Diego, CA},
    booktitle   = {AIAA Aviation Forum},
    doi         = {10.2514/6.2023-4018},
    keywords    = {openmdao, CCAVD},
    month       = {June},
    year        = {2023},
    abstract    = {Advances in commercial propulsion technology led to the development of efficient high bypass ratio turbofan engines with larger overall pressure ratios and internal temperatures. Current trends suggest that geared ultra high bypass ratio turbofans are the next generation of commercial propulsion systems. Furthermore, the emphasis on decreasing emissions has driven the exploration of hydrogen-powered aircraft, adding to the already challenging design space. Carrying and burning hydrogen introduces complexity and weight penalties that we must offset using the fuel's thermodynamic and chemical properties. In this study, we model a closedloop water recirculation system with a zero-dimensional thermodynamic model and compare the benefits between Jet-A and hydrogen fuels. We perform a gradient-based optimization parameter sweep to explore the trade-offs between performance and emissions using both fuels with water recirculation. The results quantify the design space for
                  next-generation propulsion concepts that can take advantage of hydrogen fuel's thermodynamic properties to reduce emissions and improve performance.}
}

{"_id":"sF4ZEpbbEthP4Waej","bibbaseid":"atma-lamkin-martins-comparinghydrogenandjetaforann3turbofanwithwaterrecirculationusinggradientbasedoptimization-2023","author_short":["Atma, P. N.","Lamkin, A. H. R.","Martins, J. R. R. A."],"bibdata":{"bibtype":"inproceedings","type":"inproceedings","author":[{"firstnames":["Peter","N."],"propositions":[],"lastnames":["Atma"],"suffixes":[]},{"firstnames":["Andrew","H.","R."],"propositions":[],"lastnames":["Lamkin"],"suffixes":[]},{"firstnames":["Joaquim","R.","R.","A."],"propositions":[],"lastnames":["Martins"],"suffixes":[]}],"title":"Comparing Hydrogen and Jet-A for an N+3 Turbofan with Water Recirculation using Gradient-Based Optimization","address":"San Diego, CA","booktitle":"AIAA Aviation Forum","doi":"10.2514/6.2023-4018","keywords":"openmdao, CCAVD","month":"June","year":"2023","abstract":"Advances in commercial propulsion technology led to the development of efficient high bypass ratio turbofan engines with larger overall pressure ratios and internal temperatures. Current trends suggest that geared ultra high bypass ratio turbofans are the next generation of commercial propulsion systems. Furthermore, the emphasis on decreasing emissions has driven the exploration of hydrogen-powered aircraft, adding to the already challenging design space. Carrying and burning hydrogen introduces complexity and weight penalties that we must offset using the fuel's thermodynamic and chemical properties. In this study, we model a closedloop water recirculation system with a zero-dimensional thermodynamic model and compare the benefits between Jet-A and hydrogen fuels. We perform a gradient-based optimization parameter sweep to explore the trade-offs between performance and emissions using both fuels with water recirculation. The results quantify the design space for next-generation propulsion concepts that can take advantage of hydrogen fuel's thermodynamic properties to reduce emissions and improve performance.","bibtex":"@InProceedings{Atma2023,\n author = {Peter N. Atma and Andrew H. R. Lamkin and Joaquim R. R. A. Martins},\n title = {Comparing Hydrogen and {Jet-A} for an {N}+3 Turbofan with Water Recirculation using Gradient-Based Optimization},\n address = {San Diego, CA},\n booktitle = {AIAA Aviation Forum},\n doi = {10.2514/6.2023-4018},\n keywords = {openmdao, CCAVD},\n month = {June},\n year = {2023},\n abstract = {Advances in commercial propulsion technology led to the development of efficient high bypass ratio turbofan engines with larger overall pressure ratios and internal temperatures. Current trends suggest that geared ultra high bypass ratio turbofans are the next generation of commercial propulsion systems. Furthermore, the emphasis on decreasing emissions has driven the exploration of hydrogen-powered aircraft, adding to the already challenging design space. Carrying and burning hydrogen introduces complexity and weight penalties that we must offset using the fuel's thermodynamic and chemical properties. In this study, we model a closedloop water recirculation system with a zero-dimensional thermodynamic model and compare the benefits between Jet-A and hydrogen fuels. We perform a gradient-based optimization parameter sweep to explore the trade-offs between performance and emissions using both fuels with water recirculation. The results quantify the design space for\n next-generation propulsion concepts that can take advantage of hydrogen fuel's thermodynamic properties to reduce emissions and improve performance.}\n}\n\n","author_short":["Atma, P. N.","Lamkin, A. H. R.","Martins, J. R. R. A."],"key":"Atma2023","id":"Atma2023","bibbaseid":"atma-lamkin-martins-comparinghydrogenandjetaforann3turbofanwithwaterrecirculationusinggradientbasedoptimization-2023","role":"author","urls":{},"keyword":["openmdao","CCAVD"],"metadata":{"authorlinks":{}},"downloads":0,"html":""},"bibtype":"inproceedings","biburl":"https://raw.githubusercontent.com/mdolab/bib-file/refs/heads/master/mdolab.bib","dataSources":["qAPjQpsx8e9aJNrSa"],"keywords":["openmdao","ccavd"],"search_terms":["comparing","hydrogen","jet","turbofan","water","recirculation","using","gradient","based","optimization","atma","lamkin","martins"],"title":"Comparing Hydrogen and Jet-A for an N+3 Turbofan with Water Recirculation using Gradient-Based Optimization","year":2023}