Steam Thermodynamics

Thermodynamics of steam and condensate applications

Air and Steam Mixture

Air in the steam will lower the surface temperatures in heat exchangers - and less heat will be transferred

Arithmetic and Logarithmic Mean Temperature Difference

Arithmetic Mean Temperature Difference - AMTD - and Logarithmic Mean Temperature Difference - LMTD - formulas with examples - Online Mean Temperature Calculator

Boiler Capacity

Steam boilers output can be expressed in Boiler Horsepower, MBTU or in Pounds of Steam delivered per hour

Boiler Horsepower

Heat transfer area and boiler horsepower

Conductive Heat Transfer

Heat transfer takes place as conduction in a soilid if there is a temperature gradient

Cylinders and Pipes - Conductive Heat Losses

Conductive heat losses through cylinder or pipe walls

Electrical Heating of Mass

Electric heating of object and temperature change

Enthalpy of Superheated Steam

Enthalpy of steam superheated to temperatures above boiling point

Enthalpy of Wet Steam

Wet steam, the dryness fraction and enthalpy

Entropy of Superheated Steam

Entropy of steam superheated to temperatures above saturation point

Heat Transferred when Condensing Steam

Calculate the heat transferred by condensing steam

Heating Air with Steam

Calculate air heating with steam

Heating Water by Injection of Steam

Water can be heated by injecting steam

Humidifying Air with Steam - SI units

Use steam to humidify air

Moisture Holding Capacity of Air

Moisture holding capacity of air increases with temperature

Mollier Diagram for Water-Steam

Enthalpy-entropy diagram for water and steam

Online Saturated Steam Table Calculator

Online calculator to compute the thermodynamic properties of saturated steam

Overall Heat Transfer Coefficients for some Combinations of Fluids and Heat Exchanger Surfaces

Average overall heat transmission coefficients for some common fluids and surface combinations as Water to Air, Water to Water, Air to Air, Steam to Water and more

Power Plant Performance Efficiency

Power plant heat rate, thermal efficiency, capacity factor, load factor, economic efficiency, operational efficiency, energy efficiency

Properties of Saturated Steam - Imperial Units

Steam table with sensible, latent and total heat, and specific volume at different gauge pressures and temperatures

Properties of Saturated Steam - Pressure in Bar

Saturated Steam Table with properties like boiling point, specific volume, density, specific enthalpy, specific heat and latent heat of vaporization

Properties of Saturated Steam - SI Units

A Saturated Steam Table with steam properties as specific volume, density, specific enthalpy and specific entropy

Specific Volume of Wet Steam

Wet steam and specific volume

Steam & Condensate Equations

Steam consumption and condensate generation when heating liquid or gas flows

Steam - Enthalpy and Entropy Diagram

An enthalpy and entropy chart for steam

Steam and Vapor Enthalpy

Introduction and definition of vapor and steam enthalpy - specific enthalpy of saturated liquid, saturated vapor and superheated vapor

Steam Entropy

Basic steam thermodynamics and the entropy diagram

Steam Flow Rate versus kW Rating

Calculate steam flow rate when kW rating is known

Steam Heating Process - Load Calculating

Calculating the amount of steam in non-flow batch and continuous flow heating processes

Steam Viscosity

Absolute viscosity of steam at pressure ranging 1 - 10000 psia

Total Dissolved Solids - TDS

In a boiler generating steam impurities from the feedwater will concentrate in the boiling water

Vapor and Steam

Introduction to vapor and steam

Water - Vacuum Pressure and Boiling Temperature

Boiling temperatures of water in vacuum

Water Saturation Pressure

Water saturation pressure at temperatures ranging from 0 to 100oC and from 32 to 700oF - Imperial and SI Units

Water Steam - the Critical Point

Where vapor and liquid are indistinguishable

Wet Steam Quality and Dryness Fraction

Introduction and definition of steam quality and dryness fraction including calculating wet steam enthalpy and specific volume

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