ChemE Calculator vs Hyperfocus

ChemE Calculator is a powerful tool with a simple interface for running VLE and steam table calculations on your iPhone or iPad, or for doing unit conversions. Ever been working a problem with your colleague, the path to real answers illuminated before you, when suddenly you need to do a quick dewpoint calc or check the heavies content in a vapor phase? How about working a startup and needed to know how much duty your steam turbine can achieve with a lower pressure source? Ever been in a meeting with the VP who's asking for sources of product loss and find yourself wishing you included the composition for the knockout drum bottoms stream in your slides? Need to look up the structure and molecular weight of beta-carotene or any other compound? Instead of leaving the productive groove to go back to your desk, log into your computer, creak open the process simulation software, define the simulation, run the simulation and then sift through reams of output to get your answer, now you can reach into your pocket and run a few quick cases on your iPhone or iPad! Its tabular user interface draws upon the familiar look and feel of iOS. To help you get off the ground, press the circled "i" icon at the top right corner of the screen to access helpful view-specific information. When you're done with your calc, you can email the results to yourself or anyone else! The calculation tools available in this release are: - Flash VLE - Bubble P - Dew P - Bubble T - Dew T - Generalized steam tables - Saturated vapor/liquid steam tables - Wet steam properties - Subcooled liquid steam tables - Superheated vapor steam tables - Supercritical fluid steam tables - Unit Conversion - Chemical Database Search (PubChem) There are also pictures of kittens in case you need a little break. Units for different types of input can be selected and changed when defining feed properties, and concentrations can be entered as either mole fraction or mass fraction. Multicomponent mixtures are rigorously modeled with the Peng-Robinson equation of state, but rapid convergence is facilitated by lean graphics and an optimized backend that starts crunching numbers as soon as you hit the button. The current version includes data for 47 different components: 45 hydrocarbons (C1-C10) plus acetonitrile and N,N-dimethylformamide. Binary interaction parameters are included for 57 selected pairs. Steam table calculations use the IAPWS-IF97 equations, representing the most up-to-date steam thermodynamics model available today. Output data can be provided in either metric or US units based on your preference. After running your calcs, you can email the results to the address of your choice. Emails contain input data as well as calculation results, and are transmitted in simple HTML format for readability, compatibility and ease of reference. Or, you can just share your favorite kitten picture with friends.

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