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SITUATION SOLVERS

This program lists a series of problem situations and will solve various aspects of the problem. These problems can be used to solve further similar problems involving the same or similar situations.

Situation Solvers

Method of Use :

Example :

The situation below represents the Changing Volume of a Piston at constant pressure situation, it is described below. Basically enter the information of the required parameters and press the Calculate button, the answer for the situation will be displayed

Click Calculate and the answers to the situation will be displayed….

 

Problems Description :

In all the following problems simply enter all the information requested and press the calculate button and results will be calculated each situation.

Changing Volume, at constant pressure, W

This problem relates to a item that has a changing volume at constant pressure. I.e. a balloon being filled with air, the balloons volume is changing. The amount of work done to achieve the final volume is calculated.

Piston, changing Volume, at constant pressure

This problem involves changing volume at constant pressure and includes forces acting in the situation, which affects the amount of work required to create the change in volume.

Work, Volume & Pressure Change, W

Calculates the work due to expansion of the system with changing volume and internal pressure.

Work, Compressor

Calculates the cycle time, power of the fluid and compressor for this compressor problem/situation.

Heat Temperature Rise, Q

Calculation of heat changes, when a vessel is heated and a fluid is also present. This situation considers sensible heat and latent heat changes involved within the system. The calculations allow for vapourization of the fluid.

Heat Flow, example 1

This refers to the amount of a substance i.e. coal must be burnt to raise the temperature of a fluid. The calculation considers the efficiency of the combustion process.

Heat Flow, example 2

Allows for the calculation of heat inputs and losses, temperature and internal energy changes in a closed system vessel, containing a fluid being mixed by a stirrer. Assuming no phase change occurs and it is a closed system.

Heat Flow, example 3

Calculates the heat changes of the system when a substance i.e. Ice melts within a fluid i.e. water.

Sensible & latent heat changes are calculated and the equilibrium temperature of the system is solved for.

Bomb Calorimeter

Calculates the heat, system and energy changes of a bomb calorimeter experiment.

Bomb Calorimeter - 1

Calculates the heat, system and energy changes of a bomb calorimeter experiment.

Gas Calorimeter

Calculates the heat, system and energy changes of a gas calorimeter experiment.

Generator Steam

Calculates the heat changed considering with and without heat losses.

Heat Exchanger, Counter Flow

Calculates the Arithmetric Mean Temperature Difference and Log Mean Temperature Difference of a counter flow heat exchanger.

Heat Exchanger, Parallel Flow

Calculates the Arithmetric Mean Temperature Difference and Log Mean Temperature Difference of a parallel flow heat exchanger.

Heat Exchanger, Cross Flow

Calculates various properties of a cross flow heat exchanger.

Mass Flow through a pipe

Calculates Area, Mass, Volume flowrate through a pipe.

Mass Flow

Calculates the mass flowrate etc of a air/liquid through a ducted piping system. The gas flows through the pipe work, changing areas, and also an injection of fluid may also be used in the system.

Manometer

Calculates the gauge vacuum and absolute pressure of a system using a manometer, using Mercury.

Conduction through composite flat plates

Calculates heat flow and temperatures at the interface of the composite material.

Conduction through a Pipe

Calculates the heat flow through the pipe.

Conduction through composite Pipe

Calculates the heat flow through the composite pipe.

Expansion of Solid Body, Length

Calculates the expansion of a solids bodies expansion, in length, due to heating of the solid body.

Expansion of Solid Body, Area

Calculates the expansion of a solids bodies expansion, in Area, due to heating of the solid body.

Expansion of Solid Body, Volume

Calculates the expansion of a solids bodies expansion, in Volume, due to heating of the solid body

Expansion of Liquid Body, Volume

Calculates the expansion of a liquid bodies expansion, in Volume, due to heating of the liquid body

Bending due to heat

Calculations of metal strips bending due to a applied heat source.