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Aerodynamics of the Maple Seed

Author: Philip Desenfans; Dieter Scholz
Publisher: Aircraft Design and Systems Group (AERO), Department of Automotive and Aeronautical Engineering, Hamburg University of Applied Sciences, Hamburg, Germany 2019
Series: Digital Library - Projects & Theses - Prof. Dr. Scholz; http://library.ProfScholz.de
Edition/Format:   Downloadable archival material : English
Summary:
Purpose - The paper presents a theoretical framework that describes the aerodynamics of a falling maple (Acer pseudoplatanus) seed. --- Methodology - A semi-empirical method is developed that provides a ratio stating how much longer a seed falls in air compared to freefall. The generated lift is calculated by evaluating the integral of two-dimensional airfoil elements using a preliminary falling speed. This allows  Read more...
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Details

Material Type: Internet resource
Document Type: Internet Resource, Archival Material
All Authors / Contributors: Philip Desenfans; Dieter Scholz
OCLC Number: 1140980152
Language Note: English
Notes: Copyright by author
CC BY-NC-SA
https://creativecommons.org/licenses/by-nc-sa/4.0
Series Title: Digital Library - Projects & Theses - Prof. Dr. Scholz; http://library.ProfScholz.de
More information:

Abstract:

Purpose - The paper presents a theoretical framework that describes the aerodynamics of a falling maple (Acer pseudoplatanus) seed. --- Methodology - A semi-empirical method is developed that provides a ratio stating how much longer a seed falls in air compared to freefall. The generated lift is calculated by evaluating the integral of two-dimensional airfoil elements using a preliminary falling speed. This allows for the calculation of the definitive falling speed using Blade Element Momentum Theory (BEMT); hereafter, the fall duration in air and in freefall are obtained. Furthermore, the input-variables of the calculation of lift are transformed to require only the length and width of the maple seed. Lastly, the method is applied to two calculation examples as a means of validation. --- Findings - The two example calculations gave percentual errors of 5.5% and 3.7% for the falling speed when compared to measured values. The averaged result is that a maple seed falls 9.9 times longer in air when released from 20 m; however, this result is highly dependent on geometrical parameters which can be accounted for using the constructed method. --- Research limitations - Firstly, the coefficient of lift is unknown for the shape of a maple seed. Secondly, the approximated transient state is yet to be verified by measurement. --- Originality / Value - The added value of this report lies in the reduction of simplifications compared to BEMT approaches. In this way a large amount of accuracy is achieved due to the inclusion of many geometrical parameters, even though simplicity is maintained. This has been accomplished through constructing a simple three-step method that is fundamental and essentially non-iterative.

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Primary Entity<\/h3>\n
<http:\/\/www.worldcat.org\/oclc\/1140980152<\/a>> # Aerodynamics of the Maple Seed<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:MediaObject<\/a>, library:ArchiveMaterial<\/a>, schema:CreativeWork<\/a> ;\u00A0\u00A0\u00A0\nlibrary:oclcnum<\/a> \"1140980152<\/span>\" ;\u00A0\u00A0\u00A0\nlibrary:placeOfPublication<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Place\/hamburg_germany<\/a>> ; # Hamburg, Germany<\/span>\n\u00A0\u00A0\u00A0\nschema:about<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Thing\/post_stall<\/a>> ; # post-stall<\/span>\n\u00A0\u00A0\u00A0\nschema:about<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Thing\/bemt<\/a>> ; # BEMT<\/span>\n\u00A0\u00A0\u00A0\nschema:about<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Thing\/anstellwinkel<\/a>> ; # Anstellwinkel<\/span>\n\u00A0\u00A0\u00A0\nschema:about<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Thing\/twist<\/a>> ; # twist<\/span>\n\u00A0\u00A0\u00A0\nschema:about<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Thing\/samen<\/a>> ; # Samen<\/span>\n\u00A0\u00A0\u00A0\nschema:about<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Thing\/chord<\/a>> ; # chord<\/span>\n\u00A0\u00A0\u00A0\nschema:about<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Thing\/free_fall<\/a>> ; # free fall<\/span>\n\u00A0\u00A0\u00A0\nschema:about<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Thing\/aerofoils<\/a>> ; # Aerofoils<\/span>\n\u00A0\u00A0\u00A0\nschema:about<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Thing\/ddc_620<\/a>> ; # ddc:620<\/span>\n\u00A0\u00A0\u00A0\nschema:about<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Thing\/lift_aerodynamics<\/a>> ; # Lift (Aerodynamics)<\/span>\n\u00A0\u00A0\u00A0\nschema:about<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Thing\/aerodynamik<\/a>> ; # Aerodynamik<\/span>\n\u00A0\u00A0\u00A0\nschema:about<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Thing\/aerodynamisches_profil<\/a>> ; # Aerodynamisches Profil<\/span>\n\u00A0\u00A0\u00A0\nschema:about<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Thing\/maple<\/a>> ; # Maple<\/span>\n\u00A0\u00A0\u00A0\nschema:about<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Thing\/bergahorn<\/a>> ; # Bergahorn<\/span>\n\u00A0\u00A0\u00A0\nschema:about<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Thing\/freier_fall<\/a>> ; # Freier Fall<\/span>\n\u00A0\u00A0\u00A0\nschema:about<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Thing\/evolution_biology<\/a>> ; # Evolution (Biology)<\/span>\n\u00A0\u00A0\u00A0\nschema:about<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Thing\/angle_of_attack_aerodynamics<\/a>> ; # Angle of attack (Aerodynamics)<\/span>\n\u00A0\u00A0\u00A0\nschema:about<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Thing\/autorotation<\/a>> ; # autorotation<\/span>\n\u00A0\u00A0\u00A0\nschema:about<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Thing\/stromungsabriss<\/a>> ; # Str\u00F6mungsabriss<\/span>\n\u00A0\u00A0\u00A0\nschema:about<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Thing\/camber<\/a>> ; # camber<\/span>\n\u00A0\u00A0\u00A0\nschema:about<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Thing\/blade_element_momentum_theory<\/a>> ; # Blade Element Momentum Theory<\/span>\n\u00A0\u00A0\u00A0\nschema:about<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Thing\/ahorn<\/a>> ; # Ahorn<\/span>\n\u00A0\u00A0\u00A0\nschema:about<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Thing\/auftrieb<\/a>> ; # Auftrieb<\/span>\n\u00A0\u00A0\u00A0\nschema:about<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Thing\/acer_pseudoplatanus<\/a>> ; # Acer pseudoplatanus<\/span>\n\u00A0\u00A0\u00A0\nschema:about<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Thing\/evolutionsbiologie<\/a>> ; # Evolutionsbiologie<\/span>\n\u00A0\u00A0\u00A0\nschema:about<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Thing\/stalling_aerodynamics<\/a>> ; # Stalling (Aerodynamics)<\/span>\n\u00A0\u00A0\u00A0\nschema:about<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Thing\/aerodynamics<\/a>> ; # Aerodynamics<\/span>\n\u00A0\u00A0\u00A0\nschema:about<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Thing\/seeds<\/a>> ; # Seeds<\/span>\n\u00A0\u00A0\u00A0\nschema:contributor<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Person\/scholz_dieter<\/a>> ; # Dieter Scholz<\/span>\n\u00A0\u00A0\u00A0\nschema:creator<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Person\/desenfans_philip<\/a>> ; # Philip Desenfans<\/span>\n\u00A0\u00A0\u00A0\nschema:datePublished<\/a> \"2019<\/span>\" ;\u00A0\u00A0\u00A0\nschema:description<\/a> \"Purpose - The paper presents a theoretical framework that describes the aerodynamics of a falling maple (Acer pseudoplatanus) seed. --- Methodology - A semi-empirical method is developed that provides a ratio stating how much longer a seed falls in air compared to freefall. The generated lift is calculated by evaluating the integral of two-dimensional airfoil elements using a preliminary falling speed. This allows for the calculation of the definitive falling speed using Blade Element Momentum Theory (BEMT); hereafter, the fall duration in air and in freefall are obtained. Furthermore, the input-variables of the calculation of lift are transformed to require only the length and width of the maple seed. Lastly, the method is applied to two calculation examples as a means of validation. --- Findings - The two example calculations gave percentual errors of 5.5% and 3.7% for the falling speed when compared to measured values. The averaged result is that a maple seed falls 9.9 times longer in air when released from 20 m; however, this result is highly dependent on geometrical parameters which can be accounted for using the constructed method. --- Research limitations - Firstly, the coefficient of lift is unknown for the shape of a maple seed. Secondly, the approximated transient state is yet to be verified by measurement. --- Originality \/ Value - The added value of this report lies in the reduction of simplifications compared to BEMT approaches. In this way a large amount of accuracy is achieved due to the inclusion of many geometrical parameters, even though simplicity is maintained. This has been accomplished through constructing a simple three-step method that is fundamental and essentially non-iterative.<\/span>\" ;\u00A0\u00A0\u00A0\nschema:exampleOfWork<\/a> <http:\/\/worldcat.org\/entity\/work\/id\/9984218706<\/a>> ;\u00A0\u00A0\u00A0\nschema:inLanguage<\/a> \"en<\/span>\" ;\u00A0\u00A0\u00A0\nschema:isPartOf<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Series\/http_library_profscholz_de<\/a>> ; # http:\/\/library.ProfScholz.de<\/span>\n\u00A0\u00A0\u00A0\nschema:name<\/a> \"Aerodynamics of the Maple Seed<\/span>\" ;\u00A0\u00A0\u00A0\nschema:productID<\/a> \"1140980152<\/span>\" ;\u00A0\u00A0\u00A0\nschema:publication<\/a> <http:\/\/www.worldcat.org\/title\/-\/oclc\/1140980152#PublicationEvent\/aircraft_design_and_systems_group_aero_department_of_automotive_and_aeronautical_engineering_hamburg_university_of_applied_sciences_2019_hamburg_germany<\/a>> ;\u00A0\u00A0\u00A0\nschema:publisher<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Agent\/aircraft_design_and_systems_group_aero_department_of_automotive_and_aeronautical_engineering_hamburg_university_of_applied_sciences<\/a>> ; # Aircraft Design and Systems Group (AERO), Department of Automotive and Aeronautical Engineering, Hamburg University of Applied Sciences<\/span>\n\u00A0\u00A0\u00A0\nschema:url<\/a> <http:\/\/library.ProfScholz.de<\/a>> ;\u00A0\u00A0\u00A0\nschema:url<\/a> <http:\/\/d-nb.info\/1204982848<\/a>> ;\u00A0\u00A0\u00A0\nschema:url<\/a> <http:\/\/n2t.net\/ark:13960\/t4fn9pt5b<\/a>> ;\u00A0\u00A0\u00A0\nschema:url<\/a> <http:\/\/nbn-resolving.org\/urn:nbn:de:gbv:18302-aero2019-06-01.016<\/a>> ;\u00A0\u00A0\u00A0\nschema:url<\/a> <http:\/\/www.fzt.haw-hamburg.de\/pers\/Scholz\/arbeiten\/TextDesenfans.jpg<\/a>> ;\u00A0\u00A0\u00A0\nschema:url<\/a> <http:\/\/www.fzt.haw-hamburg.de\/pers\/Scholz\/arbeiten\/TextDesenfans.pdf<\/a>> ;\u00A0\u00A0\u00A0\nschema:url<\/a> <http:\/\/doi.org\/10.15488\/9373<\/a>> ;\u00A0\u00A0\u00A0\nwdrs:describedby<\/a> <http:\/\/www.worldcat.org\/title\/-\/oclc\/1140980152<\/a>> ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n\n

Related Entities<\/h3>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Agent\/aircraft_design_and_systems_group_aero_department_of_automotive_and_aeronautical_engineering_hamburg_university_of_applied_sciences<\/a>> # Aircraft Design and Systems Group (AERO), Department of Automotive and Aeronautical Engineering, Hamburg University of Applied Sciences<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nbgn:Agent<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"Aircraft Design and Systems Group (AERO), Department of Automotive and Aeronautical Engineering, Hamburg University of Applied Sciences<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Organization\/digital_library_projects_&_theses_prof_dr_scholz<\/a>> # Digital Library - Projects & Theses - Prof. Dr. Scholz<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Organization<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"Digital Library - Projects & Theses - Prof. Dr. Scholz<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Person\/desenfans_philip<\/a>> # Philip Desenfans<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Person<\/a> ;\u00A0\u00A0\u00A0\nschema:familyName<\/a> \"Desenfans<\/span>\" ;\u00A0\u00A0\u00A0\nschema:givenName<\/a> \"Philip<\/span>\" ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"Philip Desenfans<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Person\/scholz_dieter<\/a>> # Dieter Scholz<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Person<\/a> ;\u00A0\u00A0\u00A0\nschema:familyName<\/a> \"Scholz<\/span>\" ;\u00A0\u00A0\u00A0\nschema:givenName<\/a> \"Dieter<\/span>\" ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"Dieter Scholz<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Place\/hamburg_germany<\/a>> # Hamburg, Germany<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Place<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"Hamburg, Germany<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Series\/http_library_profscholz_de<\/a>> # http:\/\/library.ProfScholz.de<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nbgn:PublicationSeries<\/a> ;\u00A0\u00A0\u00A0\nschema:creator<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Organization\/digital_library_projects_&_theses_prof_dr_scholz<\/a>> ; # Digital Library - Projects & Theses - Prof. Dr. Scholz<\/span>\n\u00A0\u00A0\u00A0\nschema:hasPart<\/a> <http:\/\/www.worldcat.org\/oclc\/1140980152<\/a>> ; # Aerodynamics of the Maple Seed<\/span>\n\u00A0\u00A0\u00A0\nschema:name<\/a> \"http:\/\/library.ProfScholz.de<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Thing\/acer_pseudoplatanus<\/a>> # Acer pseudoplatanus<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Thing<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"Acer pseudoplatanus<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Thing\/aerodynamics<\/a>> # Aerodynamics<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Thing<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"Aerodynamics<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Thing\/aerodynamik<\/a>> # Aerodynamik<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Thing<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"Aerodynamik<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Thing\/aerodynamisches_profil<\/a>> # Aerodynamisches Profil<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Thing<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"Aerodynamisches Profil<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Thing\/aerofoils<\/a>> # Aerofoils<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Thing<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"Aerofoils<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Thing\/ahorn<\/a>> # Ahorn<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Thing<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"Ahorn<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Thing\/angle_of_attack_aerodynamics<\/a>> # Angle of attack (Aerodynamics)<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Thing<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"Angle of attack (Aerodynamics)<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Thing\/anstellwinkel<\/a>> # Anstellwinkel<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Thing<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"Anstellwinkel<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Thing\/auftrieb<\/a>> # Auftrieb<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Thing<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"Auftrieb<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Thing\/autorotation<\/a>> # autorotation<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Thing<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"autorotation<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Thing\/bemt<\/a>> # BEMT<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Thing<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"BEMT<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Thing\/bergahorn<\/a>> # Bergahorn<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Thing<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"Bergahorn<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Thing\/blade_element_momentum_theory<\/a>> # Blade Element Momentum Theory<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Thing<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"Blade Element Momentum Theory<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Thing\/camber<\/a>> # camber<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Thing<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"camber<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Thing\/chord<\/a>> # chord<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Thing<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"chord<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Thing\/ddc_620<\/a>> # ddc:620<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Thing<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"ddc:620<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Thing\/evolution_biology<\/a>> # Evolution (Biology)<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Thing<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"Evolution (Biology)<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Thing\/evolutionsbiologie<\/a>> # Evolutionsbiologie<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Thing<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"Evolutionsbiologie<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Thing\/free_fall<\/a>> # free fall<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Thing<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"free fall<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Thing\/freier_fall<\/a>> # Freier Fall<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Thing<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"Freier Fall<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Thing\/lift_aerodynamics<\/a>> # Lift (Aerodynamics)<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Thing<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"Lift (Aerodynamics)<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Thing\/maple<\/a>> # Maple<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Thing<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"Maple<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Thing\/post_stall<\/a>> # post-stall<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Thing<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"post-stall<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Thing\/samen<\/a>> # Samen<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Thing<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"Samen<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Thing\/seeds<\/a>> # Seeds<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Thing<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"Seeds<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Thing\/stalling_aerodynamics<\/a>> # Stalling (Aerodynamics)<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Thing<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"Stalling (Aerodynamics)<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Thing\/stromungsabriss<\/a>> # Str\u00F6mungsabriss<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Thing<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"Str\u00F6mungsabriss<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Thing\/twist<\/a>> # twist<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Thing<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"twist<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/www.worldcat.org\/title\/-\/oclc\/1140980152<\/a>>\u00A0\u00A0\u00A0\u00A0a \ngenont:InformationResource<\/a>, genont:ContentTypeGenericResource<\/a> ;\u00A0\u00A0\u00A0\nschema:about<\/a> <http:\/\/www.worldcat.org\/oclc\/1140980152<\/a>> ; # Aerodynamics of the Maple Seed<\/span>\n\u00A0\u00A0\u00A0\nschema:dateModified<\/a> \"2020-02-29<\/span>\" ;\u00A0\u00A0\u00A0\nvoid:inDataset<\/a> <http:\/\/purl.oclc.org\/dataset\/WorldCat<\/a>> ;\u00A0\u00A0\u00A0\nvoid:inDataset<\/a> <http:\/\/purl.oclc.org\/dataset\/WorldCat\/DigitalCollectionGateway<\/a>> ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/www.worldcat.org\/title\/-\/oclc\/1140980152#PublicationEvent\/aircraft_design_and_systems_group_aero_department_of_automotive_and_aeronautical_engineering_hamburg_university_of_applied_sciences_2019_hamburg_germany<\/a>>\u00A0\u00A0\u00A0\u00A0a \nschema:PublicationEvent<\/a> ;\u00A0\u00A0\u00A0\nschema:location<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Place\/hamburg_germany<\/a>> ; # Hamburg, Germany<\/span>\n\u00A0\u00A0\u00A0\nschema:organizer<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/9984218706#Agent\/aircraft_design_and_systems_group_aero_department_of_automotive_and_aeronautical_engineering_hamburg_university_of_applied_sciences<\/a>> ; # Aircraft Design and Systems Group (AERO), Department of Automotive and Aeronautical Engineering, Hamburg University of Applied Sciences<\/span>\n\u00A0\u00A0\u00A0\nschema:startDate<\/a> \"2019<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n\n

Content-negotiable representations<\/p>\n