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4 changes: 2 additions & 2 deletions book/content/modelling/06_heat_transfer/01_fundamentals.ipynb
Original file line number Diff line number Diff line change
Expand Up @@ -185,7 +185,7 @@
"\\mf Nu = \\frac{h L }{k}\n",
"$$\n",
"\n",
"with a given characteristic length scale $\\mf L$ and the heat conductivity $\\mf k$. In general, the Nusselt number is a function of other dimensionless numbers (Reynolds $\\mf Re$ and Raylight $\\mf Ra$):\n",
"with a given characteristic length scale $\\mf L$ and the heat conductivity $\\mf k$. In general, the Nusselt number is a function of other dimensionless numbers (Reynolds $\\mf Re$ and Rayleigh $\\mf Ra$):\n",
"\n",
"* forced convection: $\\mf Nu = f(Re, Pr)$\n",
"* natural convection: $\\mf Nu = f(Ra, Pr)$\n",
Expand Down Expand Up @@ -213,7 +213,7 @@
"The electromagnetic spectrum. Source: [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:EM_Spectrum_Properties_edit.svg).\n",
":::\n",
"\n",
"The emitted energy spectrum, $\\mf I$ as a funktion of the wave frequency $\\mf \\nu$, of the so called black body radiation is given by Planck's law\n",
"The emitted energy spectrum, $\\mf I$ as a function of the wave frequency $\\mf \\nu$, of the so called black body radiation is given by Planck's law\n",
"\n",
"$$\n",
"\\mf I(\\nu, T) = \\frac{2h\\nu^3}{c^2} \\frac{1}{e^\\frac{h\\nu}{k_B T}-1}\n",
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