Table 1.

Symbol . | Meaning . | Units . | Value . |
---|---|---|---|

a | Measured equatorial axis of egg of M. sexta | m | 7.84×10^{–4} |

c | Measured polar axis of egg of M. sexta | m | 6.84×10^{–4} |

C_{i} | Concentration of oxygen at position i | mol m^{–3} | |

C_{∞} | Concentration of oxygen in bulk atmosphere (at 25°C) | mol m^{–3} | 8.583 |

D_{air} | Diffusion coefficient of oxygen in air | m^{2} s^{–1} | 2.09×10^{–5} |

D_{i} | Diffusion coefficient in layer i | m^{2} s^{–1} | |

d_{i} | Thickness of layer i | m | |

e | Ellipticity | None | 0.489 |

H_{i} | Thermodynamic partition coefficient | None | |

J | Flux of oxygen into an egg of M. sexta | mol s^{–1} m^{–2} | 1.09×10^{–6} |

k_{E} | External mass transfer coefficient | m s^{–1} | |

k_{I} | Internal mass transfer coefficient | m s^{–1} | |

k_{m} | Overall mass transfer coefficient | m s^{–1} | 1.9×10^{–7} |

K | Permeability coefficient | mol s^{–1} m^{–2} kPa^{–1} | |

L | Characteristic length of leaf | m | 0.1 |

l | Average distance between aeropyles | m | 3×10^{–5} |

R | Radius of an egg if it were perfectly spherical | m | 7.5×10^{–4} |

r | Radius of a single aeropyle | m | |

S | Surface area of Manduca egg | m^{2} | 7.07×10^{–6} |

v | Wind speed | m s^{–1} | |

α | Fraction of chorion surface occupied by aeropyles | None | 1.39×10^{–4} |

β | Capacitance coefficient | mol m^{–3} kPa^{–1} | |

ϵ | Fraction of trabecular layer that is air | None | 0.7 |

ν | Kinematic viscosity of air | m^{2} s^{–1} | 1.6×10^{–5} |

τ | Tortuosity of trabecular layer | None | 4 |

Symbol . | Meaning . | Units . | Value . |
---|---|---|---|

a | Measured equatorial axis of egg of M. sexta | m | 7.84×10^{–4} |

c | Measured polar axis of egg of M. sexta | m | 6.84×10^{–4} |

C_{i} | Concentration of oxygen at position i | mol m^{–3} | |

C_{∞} | Concentration of oxygen in bulk atmosphere (at 25°C) | mol m^{–3} | 8.583 |

D_{air} | Diffusion coefficient of oxygen in air | m^{2} s^{–1} | 2.09×10^{–5} |

D_{i} | Diffusion coefficient in layer i | m^{2} s^{–1} | |

d_{i} | Thickness of layer i | m | |

e | Ellipticity | None | 0.489 |

H_{i} | Thermodynamic partition coefficient | None | |

J | Flux of oxygen into an egg of M. sexta | mol s^{–1} m^{–2} | 1.09×10^{–6} |

k_{E} | External mass transfer coefficient | m s^{–1} | |

k_{I} | Internal mass transfer coefficient | m s^{–1} | |

k_{m} | Overall mass transfer coefficient | m s^{–1} | 1.9×10^{–7} |

K | Permeability coefficient | mol s^{–1} m^{–2} kPa^{–1} | |

L | Characteristic length of leaf | m | 0.1 |

l | Average distance between aeropyles | m | 3×10^{–5} |

R | Radius of an egg if it were perfectly spherical | m | 7.5×10^{–4} |

r | Radius of a single aeropyle | m | |

S | Surface area of Manduca egg | m^{2} | 7.07×10^{–6} |

v | Wind speed | m s^{–1} | |

α | Fraction of chorion surface occupied by aeropyles | None | 1.39×10^{–4} |

β | Capacitance coefficient | mol m^{–3} kPa^{–1} | |

ϵ | Fraction of trabecular layer that is air | None | 0.7 |

ν | Kinematic viscosity of air | m^{2} s^{–1} | 1.6×10^{–5} |

τ | Tortuosity of trabecular layer | None | 4 |

This site uses cookies. By continuing to use our website, you are agreeing to our privacy policy.