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Steam

Steam
  • #: 246713
  • Price: $9.99 In Apple Store
  • Category: Reference
  • Updated: 2009-04-11
  • Current Version: 1.0.3
  • 1.0.3
  • Size: 0.50 MB
  • Language: English
  • Seller: Donald Fleming
  • Requirements: Compatible with iPhone, iPod touch, and iPad. Requires iOS 2.0 or later
  • © 2008 Don Fleming
  •  Add to Favorite apps

 

Description

Steam calculates the thermodynamic properties of water and steam for subcooled (compressed liquid), saturated, superheated, and supercritical conditions.

Use Steam in the field and in the classroom to replace tedious interpolation of steam properties from printed steam tables.

Steam includes both the 1997 and 1967 industrial formulations for property calculations. Although the 1997 formulation has been available for over 10 years, most heat balances and textbooks still use the 1967 formulation.

Select one of the functions:

P, T - pressure and temperature

P, h - pressure and specific enthalpy

P, s - pressure and specific entropy

P, x - pressure and steam quality

T, x - temperature and steam quality

to calculate:

Specific enthalpy

Specific entropy

Specific volume

Specific heat capacity (isobaric)

Specific internal energy

Density

Saturation temperature

Quality

Saturated liquid and saturated vapor properties

Switch instantly between imperial (psia, F, Btu/lbm, etc.) or metric (kPa, C, kJ/kg, etc.) engineering units. You choose the metric units for pressure (kilopascal, megapascal, bar, atmospheres, millimeters of mercury, or kiloponds/cm2), temperature (C or K), energy (kilojoules, kilocalories, or kilopond-meters) and specific volume (cubic meters/kg or liters/kg). Tap the 'i' button to access the metric units setup screen.

For saturated and two-phase conditions, saturated liquid and saturated vapor values are calculated. If appropriate for a particular property, the delta from liquid to vapor is also calculated. For example, the heat of vaporization (hfg) is calculated for specific enthalpy.

Select either the IAPWS Industrial Formulation 1997 for the Thermodynamic Properties of Water and Steam (IF97) or the 1967 IFC-Formulation for Industrial Use (IFC-67).

What's New in Version 1.0.3

Version 1.0.3
- Fixed problem with some numbers being displayed as phone number links on iPhones

Version 1.0.2
- Fixed conversion factor for internal energy calculation in 1967 steam tables
- Fixed incorrect calculation in 1967 steam tables when pressure and temperature inputs were identical

Version 1.0.1
- Fixed 'out of range' error for pressure and temperature inputs near the saturation line

iPhone Screenshots

Steam iPhone Screenshot 1
Steam iPhone Screenshot 2
Steam iPhone Screenshot 3

Video Reviews

No video review.

Customer reviews

Write a Review

Rated 4/5 based on 3 customer reviews.

 

4/5 stars

Superheat

:
Please update this app to include the amount of Superheat, yes I can subtract it myself but why ? It's in the Steam Tables book and should be in here too. Other than that a great app, thanks.

4/5 stars

Great app for chem engineering students

:
It's a very useful app when doing homework, instead of looking for the numbers in the charts and specially when it comes to interpolate. I have a request to add bars and mega pascals to the pressure metric option please!! Thanks!!

**Update
Also please fix the "i" tap button to change the units. You have to tap on it persistently rather than once. It should just be a simple tap to go to the settings and change the units.

Thanks!!

5/5 stars

Excellent App, great for interpolation

:
Excellent App, great for interpolation, saves a lot of time doing homework and looking up steam tables!

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The information may be outdated (2017-03-08 22:45:10). For actual information go to iTunes

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