This excel spreadsheet can be used to calculate the required uasb reactor volume and dimensions, sludge production rate, methane production rate, and required alkalinity addition based on user input information on. The data sheet temperature independent parameters, the calculation results as text table and as plots will be send to the specified printer. Ddbst also supplies a software package for data handling, retrieval, correlation, estimation, and visualization as well as process synthesis. For the calculation by modified unifac ideal vapor phase behavior should be assumed. All methods are delivered with the latest published parameters. This behavior may be expressed as services, tasks or functions the system is required to perform. Functional requirements capture the intended behavior of the system. Remember, there is a choice when deciding on a pk modeling software package. Vapor pressure calculation by the antoine equation. If convenience, validation, workflow, automation, and value. Calculations knowledge base design master software.
Dortmund data bank software package posted in student. Ductsize hvac duct sizing and analysis elite software. Ddbsp basic package includes the full set of ddbsp programs except. Unifac group fragmentations as well as the latest published unifac and mod. Flash point calculation basic package pure property regression mixture. Unifac, asog, psrk, cosmosac, cosmorsol as well as calculation viaaspen plus, proii and unisim design are provided to estimate data and binary parameters. Structural calculation software edilus example youtube. Turn to design master hvac for your complete hvac design and drafting solution. Unifac activity equation used in phase equilibrium calculation. Unifac, asog, psrk, cosmosac, cosmorsol as well as calculation via. Predictive soaveredlichkwong, modified predictive soaveredlichkwong and volumetranslated pengrobinson equations. Eglis equation for calculating labyrinth seal leakage for straight through or for interlocking stepped labyrinths.
Unifac lyngby, and asog are available for data estimation. Ddbsp dortmund data bank software package 2015 condensed data sheet page 7 of 7 the possible actions are. Panel design configurator the modular planning software for low voltage distribution systems 04 2012. See pengrobinson example 1 moderate range of volatilities, pengrobinson example 2 wide range of volatilities, and unifac example 3 with azeotrope. Activity coefficient prediction with unifac and mosced,group assignment for unifac and psrk,vapor pressure calculation with antoine,density calculation with dippr 105. Mirzaei s1, sohlberg a, knoll p, zakavi r, diemling m. Page 10 of 14 ddbsp dortmund data bank software package. Stages of design problem understanding look at the problem from different angles to discover the design requirements identify one or more solutions evaluate possible solutions and choose the most appropriate depending on the designers experience and available resources describe solution abstractions use graphical, formal or other descriptive notations to describe. Structural calculation software for reinforced concrete structures. Dec 12, 2016 structural calculation software for reinforced concrete structures. When it comes to sizing ductwork, you probably rely on a ductulator or its digital equivalent to. Chemical product design recent advances and perspectives.
You can let the program size all the ducts for you using three different sizing methods, or enter your own sizes to analyze an existing design. Mathcad 2001 solution zip mathcad 2001 solution as xps. Finally, ddbsp is a software package distributed by the company dortmund data bank software and separation technology, which provides the thermodynamics and transport properties of pure components and mixtures for the design and development of processes, as well as special programs for data correlation, process evaluation and synthesis. Hello,i am using ddbsp to calculate the dew point and bubble point of a sample mixture.
The calculation of pharmacokinetic pk parameters using a noncompartmental analysis nca approach is required when preparing internal pk study reports and submitting applications to regulatory agencies. Liquid density calculation by the dippr 105 equation. Flash point calculation by unifac page 3 of 16 1 introduction this software calculates flash points of flammable liquid mixtures by the unifac based methods original unifac1, modified unifac dortmund2 and nist modified unifac3. Input systems and an unlimited number of zones can handle the largest commercial buildings. Unifac software piracy chemcad process simulation software is one of best tools to increase productivity and improve engineering decisions in chemical industry.
Online course and simulator for engineering thermodynamics. A use case defines a goaloriented set of interactions between external actors and the system under. The sle calculation is the slowest because the program has to iterate a lot especially for finding the binary eutectic points and the ternary eutectic lines. Commercial software adtek acca manual j manual d manual. The software is based on engineering data and procedures outlined in the ashrae fundamentals handbook. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. This calculation type allows the specification of a single composition line and a temperature range. Ddbsp dortmund data bank software package 2015 calculate x3 page 5 of 15 4. A scheme is presented for the calculation of the unifac activity coefficient and its analytical derivatives with respect to mole fractions and with respect to temperature. Ddbsp dortmund data bank software package 2018 calculate x3 page 3 of 14 1 introduction vaporliquid and solidliquid phase equilibria as well as mixing enthalpies for ternary systems are quite difficult to visualize in an easily comprehensible manor. Ddbddddbbddb ssppsp dortmund data bank software package 2014 number of components for which the viscosity can be calculated. Calculation of ternary phase equilibrium diagrams unifac. The introductory course for ddb ddbsp can be used to get a deeper.
It starts once the feasibility study phase is complete and the project is found to be financially sound and. Difference between requirements and use cases requirements. Based on simulis thermodynamics, prophyplus is a standalone calculation software to run all the calculations, without any. Cfm and sizing calculations design master software. This software allows to choose one of their three methods to calculate. Unifac calculation software ddbspunifac is a lowcost standalone package that allows to estimate activity coefficients, excess enthalpies and excess heat capacities using unifac and mod. This calculation does not use the flash feed user input. Please use the ddb configuration program regularly to check for potential updates and fixes. Later these programs were extended to cover further applications like e.
It is currently limited to five common temperature dependent properties and the components that come with the free explorer version. Dortmund data bank ddb status, accessibility and future plans. Ddbspunifac is a lowcost standalone package that allows to estimate activity coefficients, excess enthalpies and excess heat. Easytouse online software package for internal dose assessment after radionuclide treatment in clinical routine.
Ddbsp can be used to get a deeper insight to the capabilities of the program. Ddbsp provides convenient data handling, thermophysical property calculation, regression and estimation as well as a. Copy the calculation results as text table to an excel file. An example uasb design calculations spreadsheet is partially shown in the image below. Structural detailing, static and seismic analysis in compliance with eurocodes and a. Ddbsp dortmund data bank software package 2018 flash point calculation by unifac page 3 of 16 1 introduction this software calculates flash points of flammable liquid mixtures by the unifac based methods original unifac1, modified unifac dortmund2 and nist modified unifac3. The dortmund data bank contains data for several caloric properties. The online calculation service on this website was started with the aim to test the potential of this kind of web tool and to retrieve some user feedback.
This will hopefully give the user a better understanding of the unifac model. Ddbspunifac is a lowcost stand alone package that allows to estimate activity coefficients, excess enthalpies and. My problem is that i dont know which method will give the. The ddbsp model parameter estimator allows automatic generation of constant or. This is the only book to apply thermodynamics to realworld process engineering problems, explaining the thermodynamics behind simulations from the view of academic and industrial authors to users of simulation programs. Uasb design calculations spreadsheet archives low cost. Dortmund data bank software package student cheresources. Ddbsp dortmund data bank software package 2014 introduction this software allows calculating activity coefficients, heats of mixing, and excess heat capacity by the activity coefficient models unifac1 and modified unifac dortmund2 for mixtures with up to fifty components. Model parameters for data prediction parameters delivered by ddbst in order to provide reliable model parameters for the calculation of pure component and mixture properties, ddbst is for some time engaged in regression of the different data from the ddb. For this elaborate finite element package, we have the most comprehensive license. Unifac do as well as the group contribution equations of state vtpr and psrk. The current implementation of the onlinecalculation presents separate pages for each of the following properties in a new window. Easytouse online software package for internal dose. Cpe mixture heat capacities and excess heat capacities.
The unifac consortium flash points the dortmund data bank is the worldwide leading data base for thermophysical data, especially for phase equilibria, but it also contains quite a lot of safety relevant properties for pure components as well as for mixtures. It calculates the right airflow volumes and duct sizes for your system. Ddbspunifac is a lowcost standalone package that allows to estimate activity coefficients, excess enthalpies and excess. The ddbsp process synthesis package contains several powerful tools for process. Eglis equation for calculating labyrinth seal leakage for. Ddbspunifac is a lowcost standalone package that allows to estimate activity coefficients, excess enthalpies and. Surface tension calculation by the dippr 106 equation. The user can also define new components and add new subgroups and main groups to the model. Structural detailing, static and seismic analysis in compliance with eurocodes and a wide selction of national annexes. Ddbsp dortmund data bank software package 2018 flash point calculation by unifac page 4 of 16. Requirements analysis and specification is considered to be a very important phase of software development and has to be undertaken with outmost care. Lower flammability limit at temperature t in c of component i. Model parameters for data prediction parameters delivered by ddbst.
Dortmund data bank ddb status, accessibility and future plans jurgen rarey and jurgen gmehling university of oldenburg, industrial chemistry fb9 d26111 oldenburg, germany ddbst gmbh, 26121 oldenburg, germany. It includes tested data from ashrae fitting database and from united mcgill to provide the most accurate modeling possible. Dortmund data bank ddb status, accessibility and future. The varitrane duct designer program consists of three applications. Liquid dynamic viscosity calculation by the vogel equation. Heat of combustion of component i in kjmol typically. Fragment the structure into the unifacgroups calculate group. Calculatex3 uses the activity coefficient models unifac1,2,3,4,5 and modified unifac dortmund 6,7,8,9,10 and the group contribution equations of state psrk11 and vtpr12, to estimate the phase equilibria and mixing enthalpies. Examples using the dortmund data bank ddb and the integrated software package ddbsp examples using microsoft excel and microsoft office vba appendix a pure component parameters appendix b coefficients for high precision equations of state appendix c useful derivations. The biggest amount of data is currently available in the pure component data bank but two mixture data banks are also available. The most user friendly and easy to use software on the market for calculating commercial loads based on acca manual n methods. Ductsize lets you create a complete duct system from start to finish, and gives you control over every aspect of the design. Ddbsp dortmund data bank software package 2014 introduction this software allows calculating activity coefficients, heats of mixing, and excess heat capacity by the activity coefficient models unifac1 and modified unifac dortmund2 for mixtures with up to.
Ddbspunifac is a lowcost standalone package that allows to estimate activity coefficients, excess enthalpies and excess heat capacities using unifac and mod. Calculation at constant compositions over a temperature range. Commercial software adtek acca manual j manual d manual s. The program calculatex3 has been implemented to solve this. Ddbst has just released version 2019 of the dortmund data bank and its integrated software package ddbsp. Dortmund data bank ddb, ddb software package ddbsp. Unifac activity coefficient derivatives sciencedirect.
Edilusconcrete, the first true bim software for structural calculations. The most common computing capabilities of this package are. When it comes to sizing ductwork, you probably rely on a ductulator or its digital equivalent to determine the dimensions for your ducts. Ddbsp dortmund data bank software package 2017 calculate x3 page 4 of 14 2. Unifac do as well as the group contribution equations of state vtpr and psrk can be. Ddb software package ddbsp since the start of the ddb in 1973, a large number of software tools have been developed to search, retrieve, export, visualize and regress the data. The software is able to find homogeneous azeotropes in five component. The program is part of the ddbsp dortmund data bank software package part 1. Ddbst provides several intermediate updates as well as hotfixes which provide some software improvements and corrections to software bugs. In order to provide reliable model parameters for the calculation of pure component and mixture properties, ddbst is for some time engaged in regression of the different data from the ddb.