{"title":"Acceleration inside an aircraft in parabolic flight","authors":"J. J. Teixeira, Marta Gonçalves, A A Soares","doi":"10.1088/1361-6404/ad4b75","DOIUrl":null,"url":null,"abstract":"\n This work presents and analyzes the acceleration data inside an aircraft during a parabolic flight. The data used was obtained during flight from the aircraft's automatic recordings and from a portable data-logger with a built-in 3-axis accelerometer connected to a graphic calculator. The comparison of the accelerations obtained by the two methods shows a good agreement; however, during the higher accelerations about -18 m/s2, the discrepancies reach values of 10%. From the fit curves to the altitude data during each parabolic manoeuver performed by the aircraft, it was possible to estimate martian and lunar gravity, as well as the values of the acceleration of gravity during the microgravity moments. The analysis presented can also help improve understanding of the concepts of inertial forces and the equivalence between gravity and acceleration.","PeriodicalId":50480,"journal":{"name":"European Journal of Physics","volume":null,"pages":null},"PeriodicalIF":0.6000,"publicationDate":"2024-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"European Journal of Physics","FirstCategoryId":"101","ListUrlMain":"https://doi.org/10.1088/1361-6404/ad4b75","RegionNum":4,"RegionCategory":"教育学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"EDUCATION, SCIENTIFIC DISCIPLINES","Score":null,"Total":0}
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Abstract
This work presents and analyzes the acceleration data inside an aircraft during a parabolic flight. The data used was obtained during flight from the aircraft's automatic recordings and from a portable data-logger with a built-in 3-axis accelerometer connected to a graphic calculator. The comparison of the accelerations obtained by the two methods shows a good agreement; however, during the higher accelerations about -18 m/s2, the discrepancies reach values of 10%. From the fit curves to the altitude data during each parabolic manoeuver performed by the aircraft, it was possible to estimate martian and lunar gravity, as well as the values of the acceleration of gravity during the microgravity moments. The analysis presented can also help improve understanding of the concepts of inertial forces and the equivalence between gravity and acceleration.
期刊介绍：
European Journal of Physics is a journal of the European Physical Society and its primary mission is to assist in maintaining and improving the standard of taught physics in universities and other institutes of higher education.
Authors submitting articles must indicate the usefulness of their material to physics education and make clear the level of readership (undergraduate or graduate) for which the article is intended. Submissions that omit this information or which, in the publisher''s opinion, do not contribute to the above mission will not be considered for publication.
To this end, we welcome articles that provide original insights and aim to enhance learning in one or more areas of physics. They should normally include at least one of the following:
Explanations of how contemporary research can inform the understanding of physics at university level: for example, a survey of a research field at a level accessible to students, explaining how it illustrates some general principles.
Original insights into the derivation of results. These should be of some general interest, consisting of more than corrections to textbooks.
Descriptions of novel laboratory exercises illustrating new techniques of general interest. Those based on relatively inexpensive equipment are especially welcome.
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Descriptions of successful and original student projects, experimental, theoretical or computational.
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Reports of new developments in physics curricula and the techniques for teaching physics.
Physics Education Research reports: articles that provide original experimental and/or theoretical research contributions that directly relate to the teaching and learning of university-level physics.
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