Reproductive cycle of <i>Cryptochiton stelleri</i> (Middendorff)

Tucker, J. S.; Giese, Arthur C.

doi:10.1002/jez.1401500106

Cited by 21 publications

(2 citation statements)

References 23 publications

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“…Three major inflectional points which provide a definitional base to the annual reproductive cycle are (i) the onset of gametogenesis, (2) the initiation of spawning and (3) termination of spawning (Tucker & Giese, 1962) .…”

Section: Discussionmentioning

confidence: 99%

Reproductive biology of the indian freshwater leech, Poecilobdella viridis (Blanchard)

1978

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Section: Discussionmentioning

confidence: 99%

Reproductive biology of the indian freshwater leech, Poecilobdella viridis (Blanchard)

1978

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“…Birds, bats, and insects fly within the lower portion of the atmospheric boundary layer (ABL) at low speeds and are capable of extreme maneuverability through morphing wing camber, sweep, dihedral, etc. coupled with intricate tail movements [1][2][3][4][5][6][7] . Yet while the first entrepreneurs of aviation like Otto Lilienthal, John Montgomery and the Wright Brothers aspired to achieve bird-like flight stability and control through camber and wing warping [8][9][10][11] , the quest for larger and faster air transportation produced heavy rigid aircraft with discrete control surfaces 12,13 .…”

mentioning

confidence: 99%

Why morphology matters in birds and UAV's: How scale affects attitude wind sensitivity

Gamble

Inman

2017

Applied Physics Letters

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Though natural fliers have been shown to morph their geometry to adapt to unfavorable wind loading, there exists heavy skepticism within the aviation community regarding the benefits and necessity of morphing aircraft technology. Here we develop a vector derivation that characterizes how high winds affect the overall flight velocity and sideslip for both natural and manmade fliers. This derivation is formulated in such a way that only a single non-dimensional velocity parameter is needed to quantify the response. We show mathematically that in high winds, low-altitude fliers are more prone to substantial changes in sideslip angle, struggle to maintain gliding velocity, and experience five times the peak sideslip sensitivity when compared to high-altitude fliers. In order to counteract these adverse changes, low-altitude fliers require a high degree of controllability which can be achieved through extreme morphological changes. The results presented here highlight the importance of integrating morphing concepts into future low-altitude aircraft designs and provide a formulation to help designers decide whether or not to pursue adaptive morphing technology based on a single readily determinable parameter.

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Chemical changes with reproductive activity of the chitons, Katherina tunicata and Mopalia hindsii

Giese

Araki

1962

J. Exp. Zool.

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Reproductive cycle of Cryptochiton stelleri (Middendorff)

Cited by 21 publications

References 23 publications

Reproductive biology of the indian freshwater leech, Poecilobdella viridis (Blanchard)

Reproductive biology of the indian freshwater leech, Poecilobdella viridis (Blanchard)

Why morphology matters in birds and UAV's: How scale affects attitude wind sensitivity

Chemical changes with reproductive activity of the chitons, Katherina tunicata and Mopalia hindsii

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