R/energybalance_functions.R
heat_transfer_coefficient_simple.RdThe function estimates the heat transfer coefficient (Mitchell 1976) using either the relationship in Spotila et al. (1992) or that in Gates (1980) .
heat_transfer_coefficient_simple(u, D, type)numeric air velocity (m s-1).
numeric characteristic dimension (e.g., diameter or snout-vent length) (m).
character choice between "Spotila" and "Gates" for equation to use.
numeric heat transfer coefficient, H_L (W m-2 K-1).
Gates DM (1980).
Biophysical Ecology.
Springer-Verlag, New York, NY, USA.
Mitchell JW (1976).
“Heat transfer from spheres and other animal forms.”
Biophysical Journal, 16(6), 561-569.
ISSN 0006-3495, doi:10.1016/S0006-3495(76)85711-6
.
Spotila JR, Feder ME, Burggren WW (1992).
“Biophysics of Heat and Mass Transfer.”
Environmental Physiology of the Amphibians.
https://press.uchicago.edu/ucp/books/book/chicago/E/bo3636401.html.
Other biophysical models:
Grashof_number_Gates(),
Grashof_number(),
Nusselt_from_Grashof(),
Nusselt_from_Reynolds(),
Nusselt_number(),
Prandtl_number(),
Qconduction_animal(),
Qconduction_substrate(),
Qconvection(),
Qemitted_thermal_radiation(),
Qevaporation(),
Qmetabolism_from_mass_temp(),
Qmetabolism_from_mass(),
Qnet_Gates(),
Qradiation_absorbed(),
Qthermal_radiation_absorbed(),
Reynolds_number(),
T_sky(),
Tb_CampbellNorman(),
Tb_Gates2(),
Tb_Gates(),
Tb_butterfly(),
Tb_grasshopper(),
Tb_limpetBH(),
Tb_limpet(),
Tb_lizard_Fei(),
Tb_lizard(),
Tb_mussel(),
Tb_salamander_humid(),
Tb_snail(),
Tbed_mussel(),
Tsoil(),
actual_vapor_pressure(),
boundary_layer_resistance(),
external_resistance_to_water_vapor_transfer(),
free_or_forced_convection(),
heat_transfer_coefficient_approximation(),
heat_transfer_coefficient(),
saturation_vapor_pressure(),
saturation_water_vapor_pressure()
heat_transfer_coefficient_simple(u = 0.5,
D = 0.05,
type = "Gates")
#> [1] 11.03635