LAMINAR_Q_CONST
This function returns the theoretical fully developed laminar Nusselt number for internal pipe flow with constant wall heat flux. It provides the standard reference value used in internal-convection analysis when thermal and velocity profiles are fully developed.
Excel Usage
=LAMINAR_Q_CONST()Returns (float): Constant heat flux Nusselt number (-).
Example 1: Constant heat flux reference value
Inputs:
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Excel formula:
=LAMINAR_Q_CONST()Expected output:
4.36364
Example 2: Constant heat flux repeatability A
Inputs:
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Excel formula:
=LAMINAR_Q_CONST()Expected output:
4.36364
Example 3: Constant heat flux repeatability B
Inputs:
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Excel formula:
=LAMINAR_Q_CONST()Expected output:
4.36364
Example 4: Constant heat flux repeatability C
Inputs:
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Excel formula:
=LAMINAR_Q_CONST()Expected output:
4.36364
Python Code
Show Code
from ht.conv_internal import laminar_Q_const as ht_laminar_Q_const
def laminar_q_const():
"""
Return the laminar constant-heat-flux Nusselt number for a pipe.
See: https://ht.readthedocs.io/en/latest/ht.conv_internal.html
This example function is provided as-is without any representation of accuracy.
Returns:
float: Constant heat flux Nusselt number (-).
"""
try:
return ht_laminar_Q_const()
except Exception as e:
return f"Error: {str(e)}"