Parameters	Small funnel	Big funnel
Initial height, H₀ (m)	0.219	0.212
Final height, H (m)	0.171	0.166
Orifice radius, r (m)	0.00238	0.005
Nozzle length, h (m)	0.055	0.060
tan(α)	0.253	0.253
Initial volume (dm³)	0.800	0.800
Flowing volume (dm³)	0.400	0.400
a_n, b_n are constants, (s²/m²)	b₁= 687316.8	a₁ = 40709.14
a_n, b_n are constants, (s²/m²)	b₂= 35.47	a₂ = 21.73