Geometry of Enumerable Class of Surfaces Associated with Mylar Balloons

Vladimir I. Pulov (), Vasyl Kovalchuk and Ivaïlo M. Mladenov
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Vladimir I. Pulov: Department of Mathematics and Physics, Technical University of Varna, Studentska Str. 1, 9010 Varna, Bulgaria
Vasyl Kovalchuk: Institute of Fundamental Technological Research, Polish Academy of Sciences, 5B, Pawińskiego Str., 02-106 Warsaw, Poland
Ivaïlo M. Mladenov: Institute for Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences, Tsarigradsko Chaussee 72, 1784 Sofia, Bulgaria

Mathematics, 2024, vol. 12, issue 4, 1-18

Abstract: In this paper, the very fundamental geometrical characteristics of the Mylar balloon like the profile curve, height, volume, arclength, surface area, crimping factor, etc. are recognized as geometrical moments I n ( x ) and I n and this observation has been used to introduce an infinite family of surfaces S n specified by the natural numbers n = 0 , 1 , 2 , … . These surfaces are presented via explicit formulas (through the incomplete Euler’s beta function) and can be identified as an interesting family of balloons. Their parameterizations is achieved relying on the well-known relationships among elliptic integrals, beta and gamma functions. The final results are expressed via the fundamental mathematical constants, such as π and the lemniscate constant ϖ . Quite interesting formulas for recursive calculations of various quantities related to associated figures modulo four are derived. The most principal results are summarized in a table, illustrated via a few graphics, and some direct relationships with other fundamental areas in mathematics, physics, and geometry are pointed out.

Keywords: Mylar balloons; geometrical moments; elliptic integrals; beta and gamma functions; recursive relations; crimping factor; lemniscate constant (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2024
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