Wednesday, April 18, 2007

Useful Documents Related To Steam - Condensate


Recommended :

IAPWS is an international non-profit association of national organizations concerned with the properties of water and steam, particularly thermophysical properties and other aspects of high-temperature steam, water and aqueous mixtures that are relevant to thermal power cycles and other industrial applications.

Following tabulate listing of useful documents and links for STEAM & WATER engineering... if some of you have better site, please drop me a comments...


Steam Conservation Guidelines Handbook (Source : Armstrong)
Armstrong has been sharing know-how since they invented the energy-efficient inverted bucket steam trap in 1911. In the years since, customers’ savings have proven again and again that knowledge not shared is energy wasted. Armstrong’s developments and improvements in steam trap design and function have led to countless savings in energy, time and money. This section has grown out of our decades of sharing and expanding what we’ve learned.It deals with the operating principles of steam traps and outlines their specific applications to a wide variety of products and industries. This section also includes Recommendation Charts that summarize our findings on which type of trap will give optimum performance in a given situation and why.

Condensate Recovery Handbook (Source : Armstrong)
The most basic part of energy management is utilizing all valuable Btu within the steam system. Depending on the pressure, condensate exiting a trap contains approximately 20% of the heat energy transferred at the boiler in the form of sensible heat. Effective recovery of condensate reduces three tangible costs of producing steam :

  • Fuel/energy costs associated with producing steam
  • Boiler water make-up and sewage treatment
  • Boiler water chemical treatment
These savings can be calculated using the attached savings form. Returning condensate saves money, energy and the environment. Pour money and energy savings back into your plant—not down the drain.

Steam Engineering Tutorial...
A comprehensive information and knowledge on Steam Engineering and Heat Transfer site (Source : Spirax Sarco)


Water97_v13.xla (Alternative download)
A very useful MS EXCEL Add-In for calculating thermodynamic and transport properties of water and steam using the industrial standard IAPWS-IF97. (source : Cheresources)


Steam67.zip contains compiled dll version of the 1967 ASME Steam Tables and an Excel 97 example of using it. (source : KORF)  

Steam Table
A web-base steam table generation for different Steam-Water regions :
(source : Spiraxsarco) 


Thermo Utilities v3.0(1.75 Mb) offers a large number of functions for calculating the properties of water, steam, air, flue gases and other fluids. The functions used for steam and water properties are based on a set of equations accepted by the members of the Sixth International Conference on the Properties of Steam. The sets of equations are also known as "IFC Formulation for Industrial Use". Thermo Utilities calculates the properties of dry air, moist air, exhaust and flue gases by using equations accepted by ASHRAE and CIBSE (Chartered Institute of Building Services Engineers). Lee-Kesler method used in this package can be applied to a large number of chemicals for estimating thermodynamic properties. The database accompanied with this package for use with Lee-Kesler method supports more than 450 chemicals. The package also offers a large number of inverse functions which are useful for applied thermodynamics calculations. (source : Taftan Data)


SteamTab™ (demo) add-in software, new water and steam properties formulation approved by the International Association for the Properties of Water and Steam (IAPWS)
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