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Heisler Calculator

Heisler Calculator
  • #: 9007
  • Price: free ($0.00) In Apple Store
  • Category: Business
  • Updated: 2011-03-11
  • Current Version: 1.0
  • 1.0
  • Size: 0.20 MB
  • Language: English
  • Seller: BluMtnWerx
  • Requirements: Compatible with iPhone, iPod touch, and iPad. Requires iOS 4.2 or later.
  • © 2011 BluMtnWerx
  •  Add to Favorite apps



Heisler Calculator is a professional quality evaluation tool that quickly calculates internal temperatures for transient heat conduction through a 1-D plane wall of thickness 2*L. No more Heisler Charts! Heisler Calculator provides an accurate numerical solution, eliminating the need for tedious graphical results from Heisler charts.

Heisler Calculator allows inputs in either SI (metric) units I-P (English) units, and converts from one to the other.

The User Inputs:

• x (the spatial location in the plane wall, measured from the centerline)

• L (2L is the wall thickness)

• t (the elapsed time since the step change in surroundings temperature)

• h (the convective heat transfer coefficient)

• k (the thermal conductivity  of the wall material)

• α (the thermal diffusivity of the wall material)

• Ti (the initial uniform temperature of the wall)

• T∞ (the constant surroundings temperature far from the wall)

Heisler Calculator Outputs:

• x* (dimensionless distance from the center)

• Fo (the Fourier Number, dimensionless time)

• Bi (the Biot Number, dimensionless convective heat transfer coefficient)

• θ* (dimensionless Temperature, =(T-T∞)/(Ti-T∞))

• T (temperature at x at time t)


• the wall is initially at uniform temperature

• the temperature of the surroundings and the convective heat transfer coefficient are constant and uniform

• no heat generation inside the wall

• the Fourier number (αt/(L^2)) must be > 0.0001

• the wall and surroundings are symmetric around the wall centerline

If you have a question or suggestion, please email heislercalc@blumtnwerx.com

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The information may be outdated (2011-03-27 08:23:19). For actual information go to iTunes

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