Thermodynamics 1 Simulations
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Adiabatic Flame Temperature
Adiabatic flame temperature as a function of percent excess air and feed temperatures
id = adiabatic-flame-temperature (do not remove this text)
Adiabatic Gas Expansion between Two Tanks Digital Experiment
This digital experiment expands an ideal gas, which is at high pressure in the left tank, adiabatically into the right tank, which is initially evacuated.
id = adiabatic-gas-expansion-between-two-tanks-WIDE (do not remove this text)
Carnot Cycle on Ideal Gas
The Carnot cycle is an idealization for a heat engine operating reversibly between two reservoirs at temperatures T1 and T2.
id = carnot-cycle-on-ideal-gas (do not remove this text)
Compressibility Factor Charts
Compressibility factor as function of reduced pressure and reduced temperature
id = compressibility-factor-charts (do not remove this text)
Determine Antoine Constants Digital Experiment
A digital experiment to determine Antoine constants
id = determine-antoine-constants-wide (do not remove this text)
Evaporative Cooling of Water
This simulation shows how applying a vacuum in a closed system causes water to decrease in temperature and freeze due to evaporative heat loss.
id = evaporative-cooling-of-water (do not remove this text)
Heat of Reaction Temperature Dependence
Examine how heat of reaction changes with temperature
id = heat-of-reaction-temperature-dependence (do not remove this text)
Ideal Gas Law
Choose from a variety of scenarios in a piston/cylinder system, with an ideal gas contained therein. This is a deep dive into ideal gas behavior and a great introduction to the thermodynamics of ideal gasses.
id = ideal-gas-law (do not remove this text)
Injecting Liquid into an Evacuated Tank
Liquid propane or toluene is injected into an evacuated tank at constant temperature
id = injecting-a-liquid-into-an-evacuated-tank (do not remove this text)
Maxwell Relations
Demonstrates derivation of Maxwell relations
id = maxwell-relations (do not remove this text)
Ordinary Vapor Compression Cycle Refrigerant R-134a
Pressure-enthalpy and temperature-entropy diagrams for refrigeration cycle
id = ordinary-vapor-compression-cycle-refrigerant-r-134a (do not remove this text)
Pressure-Enthalpy Diagram for Water
Pressure-enthalpy diagram for water
id = ph-diagram-for-water (do not remove this text)
Pressure-Volume Diagram for Water
This simulation helps you learn how to read pressure-volume diagrams.
id = pressure-diagram-for-water (do not remove this text)
Pressure-Temperature Phase Diagram for Water
Water phase behavior on a log pressure vs temperature diagram
id = pressure-temperature-phase-diagram-for-water (do not remove this text)
Rankine Cycle
The Rankine cycle is a thermodynamic cycle showing how heat engines, such as steam turbines, generate work. This simulation plots the enthalpy and pressure at each stage of the Rankine cycle.
id = rankine-cycle (do not remove this text)
Reading a Psychrometric Chart
How to read a psychrometric chart
id = reading-a-psychrometric-chart (do not remove this text)
Reversible and Irreversible Expansion or Compression
Expansion or compression work for ideal gas in piston-cylinder system
id = reversible-irreversible-expansion-compression-work (do not remove this text)
Phase Diagrams from Van der Waals Equation of State
van der Waals equation of state to generate isotherms and isobars
id = single-component-pv-and-tv-diagrams (do not remove this text)
Single-Effect Evaporation
A single-effect evaporator evaporates water from a feed solution consisting of water and sugar. Adjust feed flow rate and temperature and observe the effect on concentrate flow rate and composition.
id = single-effect-evaporator (do not remove this text)
Temperature Changes in an Ideal Gas
Ideal gas heated or cooled at constant pressure or constant volume
id = temperature-changes-in-an-ideal-gas (do not remove this text)
Triple-Effect Evaporation
Observe the benefits of using a multiple-effect evaporator when concentrating a sugar water solution. Use this simulation alongside our single-effect evaporator simulation to learn all about the benefits of multiple-effect evaporation.
id = triple-effect-evaporator (do not remove this text)
Temperature-Entropy Diagram for Water
Temperature-entropy diagram for water
id = ts-diagram-for-water (do not remove this text)
Adiabatic Compression of Pure Gases
Compression of n-butane to different pressures
id = adiabatic-compression-of-pure-gases (do not remove this text)
Adiabatic Compression of Water in VLE
A piston compresses a vapor-liquid mixture of water adiabatically and reversibly
id = adiabatic-compression-of-water-in-vle (do not remove this text)
Adiabatic Evaporation of Water into Vacuum
Pressure on a liquid is lowered so some liquid evaporates irreversibly
id = adiabatic-evaporation-of-water-into-vacuum (do not remove this text)
Adiabatic Gas Expansion between Two Tanks
An pressurized ideal gas expands into a tank that is initially under vacuum
id = adiabatic-gas-expansion-between-two-tanks (do not remove this text)
Arranging Balls into Boxes
Shows how many ways r balls can be placed in n boxes
id = arranging-balls-into-boxes (do not remove this text)
Carnot Cycle with Irreversible Heat Transfer
Carnot heat engine and heat pump with finite temperature differences reservoirs and Carnot cycle
id = carnot-cycle-with-irreversible-heat-transfer (do not remove this text)
Chemical Potential Dependence on T and P
Chemical potential of solids, liquids, and vapors at function of temperature and pressure
id = chemical-potential-dependence-on-t-and-p (do not remove this text)
Circumnavigating the Critical Point
Demonstrates how to circumnavigate the critical point on a log pressure vs. temperature diagram
Compare Clausius-Clapeyron and Antoine Equations
Saturation pressure is plotted versus temperature using the Clausius-Clapeyron equation and the Antoine equation
id = compare-clausius-clapeyron-and-antoine-equations (do not remove this text)
Compare Compressors or Turbines with Different Efficiencies
Two adiabatic turbines or compressors with different efficiencies are compared
id = compare-compressors-turbines-different-efficiencies (do not remove this text)
Compressed-Gas Spray
The temperature of container with a vapor-liquid mixture is plotted as function of time that valve opened
id = compressed-gas-spray (do not remove this text)
Compressible Flow through a Nozzle/Diffuser
Compressible flow of air through a nozzle/diffuser
id = compressible-flow-through-a-nozzle-diffuser (do not remove this text)
Energy Balance on Pressurizing a Tank
Gas flows into an insulated that that is initially at a lower pressure and different temperature
id = energy-balance-on-pressurizing-a-tank (do not remove this text)
Enthalpy-Entropy Diagram For Water
Enthalpy-entropy diagram for water
id = enthalpy-entropy-diagram-for-water (do not remove this text)
Entropy Changes in Mixing Ideal Gases
Isothermal mixing of ideal gases or adding a second gas to an initial gas
id = entropy-changes-in-mixing-ideal-gases (do not remove this text)
Fluids in the Critical Region
Critical isotherm and phase behavior on a pressure-volume diagram
id = fluids-in-the-critical-region (do not remove this text)
Fugacity from Equation of State for Water
Water fugacity calculated using Peng-Robinson equation of state
id = fugacity-from-eos-for-water (do not remove this text)
Enthalpy and Entropy Departure Functions
Enthalpy and entropy departure functions using Peng-Robinson equation of state
id = h-and-s-departure-functions-for-gases (do not remove this text)
Heating Water in a Closed Vessel
A vapor-liquid mixture is heated in a fixed-volume container
id = heating-water-in-a-closed-vessel (do not remove this text)
Identify Chemical Potential Plots
Identify the correct curve for chemical potential versus temperature or pressure
id = identify-chemical-potential-plots (do not remove this text)
Identify Reversible and Irreversible Expansion and Compression
Step-by-step procedure for isothermal and adiabatic processes for an ideal gas
id = identify-reversible-and-irreversible-expansion-and-compression (do not remove this text)
Injecting Water into Liquid Nitrogen Tanks
Hot and cold water are injected into insulated tanks containing liquid nitrogen.
id = injecting-water-into-liquid-nitrogen-tanks (do not remove this text)
Irreversible and Reversible Temperature Equilibration
Two objectives at different temperatures thermally equilibrate reversibly or irreversibly
id = irreversible-and-reversible-temperature-equilibration (do not remove this text)
Joule-Thomson Expansion
Gas expansion through an adiabatic throttle
id = joule-thomson-expansion (do not remove this text)
Material & Energy Balances in a Reactor with Heat Exchange
Material and energy balances on a reactor with heat transfer
id = material-and-energy-balances-in-a-reactor-with-heat-exchange (do not remove this text)
Otto Cycle
Pressure-volume and temperature-entropy diagrams for cycle used in automotive engines
id = otto-cycle (do not remove this text)
Phase Behavior on a Pressure-Volume Diagram
Phase behavior of water on a P-V diagram
id = phase-behavior-on-a-pv-diagram (do not remove this text)
P-V Diagram for Heating Vapor-Liquid Mixture at Constant V
Heat added to a vapor-liquid mixture in a fixed volume container
id = pv-diagram-for-heating-vapor-liquid-mixture-at-constant-volume (do not remove this text)
Ranque-Hilsch Vortex Tube
Hilsch tube separates compressed air into a hold and cold stream
id = ranque-hilsch-vortex-tube (do not remove this text)
Refrigeration Cycle Coefficient of Performance
Calculate coefficient of performance for refrigeration cycle
id = refrigeration-cycle-coefficient-of-performance (do not remove this text)
Simulation of a Simple Gas Pressure Model
Molecules collisions with container walls lead to pressure of gas
id = simulation-of-a-simple-gas-pressure-model (do not remove this text)
Single-Component Fugacity
Fugacity of single component as function of temperature or pressure
id = single-component-fugacity (do not remove this text)
Three Intermolecular Potential Models
Three models for intermolecular potentials
id = three-intermolecular-potential-models (do not remove this text)
Throttling High-Pressure Water
Water expands adiabatically to lower pressure through valve
id = throttling-high-pressure-water (do not remove this text)
Atomic Interactions - PhET
Attractive and repulsive forces between two atoms
id = atomic-interactions-phet (do not remove this text)
Gas Properties - PhET
Pump gas molecules to a box and see what happens as you change the volume, add or remove heat, and more
id = gas-properties-phet (do not remove this text)
States of Matter - PhET
Phase changes as heat is added or removed
id = states-of-matter-phet (do not remove this text)