نتایج جستجو برای: cowl lip roundness
تعداد نتایج: 19682 فیلتر نتایج به سال:
This paper presents the results of an effort to optimize a conceptual design of a conical (wingedcone) single-stage-to-orbit launch vehicle. The vehicle employs a rocket-based combined-cycle (RBCC) engine capable of four different operating modes ejector, ramjet, scramjet, and rocket. The RBCC engine offers higher engine thrust-to-weight ratios than competing airbreathing engine cycles while ma...
The maximal roundness of a metric space is quantity that arose in the study embeddings and renormings. In setting Banach spaces, it was shown by Enflo takes on much simpler form. this paper we provide simple computations many standard such as $\ell^{p}$, Lebesgue-Bochner spaces $\ell^{p}(\ell^{q})$ Schatten ideals $S_{p}$. We also introduce property dual to roundness, which call coroundness, ma...
To investigate age-related changes in the shape of trachea, normal male volunteers (n = 83, mean +/- SD: 47.7 +/- 20.2 years old) underwent inspiratory CT scans at full inspiration and lung function tests. Subjects who showed VC < 80% predicted or FEV1 < 80% predicted on lung function tests were excluded. The CT data, which is located at 2.0 cm above the aortic arch, were transferred to a perso...
The shape of sedimentary particles is an important property, from which geographical hypotheses related to abrasion, distance of transport, river behavior, etc. can be formulated. In this paper, we use digital image analysis, especially discrete geometry, to automatically compute some shape parameters such as roundness, i.e. a measure of howmuch the corners and edges of a particle have been wor...
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