Contam is a multizone indoor air quality and ventilation analysis. The output is a table of elevator travel time, round trip time, people moved, and number of round trips for each floor plus the total evacuation time. The national institute of standards and technology nist has developed database structures for compiling and organizing model input data that can be used in contamlink. This manual describes the computer program contam version 3. The contam results export tool subsequently referred to as export tool was created to provide access to all of the results that can be generated by a contam simulation. Premovement time is the period after occupants become aware of a fire during which they think about what to do. These results can only be generated using contams short time step contaminant. The databases are in microsoft access format and are available for download as zip compressed files. Evacuation time consists of premovement time and movement time.
Nist maintains the time scale using atomic clocks, and they coordinated it with the time scales used by other nations and the u. The errata update includes minor editorial changes to selected cui security requirements, some additional references and definitions, and a new appendix that contains an expanded discussion about each cui requirement. Please see the following for information about the. Follow the directions to complete the installation. Comob contaminat monitoring in buildings, a matlab toolbox which encapsulates the contam computational engine for generating multiple data sets by varying different building parameters. I have usually changed the time server for my systems to one from the. This also sets the longest period between control element evaluations. When i go to date and time in control panel, open the internet time tab, click change settings, and click update now, it says unable to start the windows time service. Controls and documents the use of peertopeer file sharing technology to ensure that this capability is not used for the unauthorized distribution, display, performance, or reproduction of ed work.
However, a wpc file is created by a cfd analysis for a specific wind speed and direction. Contam is a multizone indoor air quality and ventilation analysis computer program designed to help you determine. Contamw is the multizone airflow and contaminant transport analysis program that is the main tool to be used in performing multizone analysis. Ive reformatted it slightly to make it fit better on the blog page. Contam integrated environmental health impact assessment system. Nist requests comments on draft sp 80040 revision 3 by. Ng, stephen zimmerman, jeremy good, brian toll, steven j. For that purpose, wang and chen have coupled contam, a multizone network software for airflow analysis, developed by nist national institute of standards and technology with cfd0, a cfd code, originally developed by srebric et al. This study presents a methodology for including weather factors when simulating radon levels inside a dwelling using the contam modelling software. Contam updates these control elements between time steps. To ensure updates take place at reasonable intervals, users can limit cvodes longest time step. Shareware junction periodically updates pricing and software information of contamrv v. Airflows include infiltration, exfiltration, and roomtoroom airflows and pressure differences in building systems, and can be driven by mechanical means, wind. Contam normal is a bulletshaped pessary for stress incontinence.
The calculator is available for free download and lets you see realtime energy connections among building components, isolate the effects of a change to a single energy parameter or produce conceptlevel energy estimates. Contam is based on a graphic interface that allows the user to draw floor plans on a sketchpad and employ icons to represent airflow paths, ventilation system components, and contaminant sources. Called nist f2, it is so accurate that it will lose only one second in 300 million years. Pdf contam user guide and program documentation version.
Provides substitute information system components and a means to exchange active and standby components at assignment. Contam is multizone airflow and contaminant transport. The key to the program is the following method, which. Nist has announced the launch of a new atomic clock as the official standard for civilian time. Contam integrated environmental health impact assessment. Contam is developed for windows xp7810 environment, 32bit version. The contam model aims to provide a tool to calculate building airflows, to determine the variation in ventilation rates over time and weather conditions, and to provide insight in the effect of design of ventilation systems, in the distribution of ventilation air within a building, and to estimate the impact of envelope air tightening efforts on infiltration rates. Feb 03, 2009 i have tried the following internet time servers. Depending on the heatrelease rate of the design fire, the location of the design fire, and the kinds of materials burned, a tenable environment can be maintained. Contamrv displays buildings in sketchpad form very similar to the manner in which contamw does. In this study, real time infiltration rates are estimated using the multizone airflow simulation software, contam, developed at the national institute of standards and technology nist 16.
Stateoftheart algorithms for sensor placement, detection and isolation of contaminant sources are also incorporated into the comob toolbox. Most pc users probably dont pay a lot of attention to the datetime entry in the notification area. Often, they continue their activities until the urgency of the situation becomes obvious. The national institute of standards and technology time and frequency division maintains the standard for frequency and time interval for the united states, provides official time to the united states, and carries out a broad program of research and service activities in time and frequency metrology. Fetching latest commit cannot retrieve the latest commit at this time. Contam user guide and program documentation version 3 nist. Estimating real time infiltration for use in residential ventilation control lisa c. A contam control system has sensors, logic components, and actuators, for example to model demandcontrolled ventilation. Organizations that can minimize the time they spend dealing with patching can use those 11 resources for addressing other security concerns. The papers are in the public domain and are not subject to in the united states. Contam is a multizone indoor air quality and ventilation analysis program designed to help you determine airflows, contaminant concentrations, and personal exposure in buildings. Python module supporting the nist contam airflow model wsularpycontam.
To use these library files, download them to your computer and copy them to the desired location. Instruction and discussion for energy modelers, building simulators, architects and engineers is a site for energy modelers, building simulators, architects, and engineers who want learn the. A stiff, variable time step transport solver for contam. To conduct airflow and iaq analyses of the prototype buildings, nist created contam models of them available for download from the nist multizone modeling website. Weatherdependent modelling of the indoor radon concentration.
Called nistf2, it is so accurate that it will lose only one second in 300 million years. The protection of controlled unclassified information cui resident in nonfederal systems and organizations is of paramount importance to federal agencies and can directly. Dec 06, 2019 nist internet time service metadata updated. It is a web clock showing the official time of day from nist, displayed as a 12 or 24hour clock, in a userselectable time zone. As dalyon points out and i now know, windows 2000 does support sntp from the command line. Determines mean time to failure mttf for assignment. The national institute of standards and technology time and frequency division maintains the standard for frequency and time interval for the united states, provides official time to the united states, and carries out a broad program of research and service activities in. Instruction and discussion for energy modelers, building simulators, architects and engineers is a site for energy modelers, building simulators, architects, and engineers who want learn the basics, to advanced concepts of energy modeling. How to make sure your pc has the right time gizmos freeware. This means filling time does not necessarily need to be greater than evacuation time. December 6, 2019 distributes nist estimate of official u. In this study, realtime infiltration rates are estimated using the multizone airflow simulation software, contam, developed at the national institute of. Choose a folder into which you want to install the program, or simply select the default location which is c. Using nist software for ntp windows server spiceworks.
If you wish to subscribe to this list, please send your name and email address to. Firdemnd simulates the suppression of post flashover charring and noncharring solidfuel fires in compartments using water sprays from portable hosenozzle equipment used by the fire departments. The nist internet time service has an executable that can be used to remedy the lack of ntp support on legacy systems. Airflows include infiltration, exfiltration, and roomtoroom airflows and pressure differences in building systems, and can be driven by mechanical means, wind pressures acting on the exterior of the. Contam user guide and program documentation version 3. Software license tracking can be accomplished by manual methods e. New us time standard launched with nistf2 atomic clock. Nvd control si predictable failure prevention nist. After downloading contam from here then you doubleclick the microsoft installer file contam msi file to begin the installation process. The following procedure enables you to save the program installer named contam32. Even though the windows time service startup type is set to automatic, it isnt running after i start windows. Contam is the popular nist tool that predicts airflows and contaminant concentrations in multizone building systems.
You can use the contam weather file creator to create wth files. Its ability to calculate building airflow rates and relative pressures between zones of the building is useful for assessing the adequacy of ventilation rates in a building, for determining the variation in ventilation rates over time, for determining the distribution of ventilation air within. The protection of controlled unclassified information cui resident in nonfederal systems and organizations is of paramount. An error has occured while windows was synchronizing with. Nist isnt of much value outside the continental us, other regional equivalent national time and frequency. Estimating realtime infiltration for use in residential ventilation control lisa c. This howto is now more about a possible setup of nist sofware. The main contam result file, the sim file, is a binary file. The contam results viewer, contamrv, is a tool for visualizing contaminant concentration and airflow results of contam simulations. It creates weather file templates for contam and convert energy plus weather files to contam s format. Simple air handling system ahs spreasheet and contam project demonstrates the simple ahs algorithm zip file. How to obtain the time of the internet with java rfc868.
Contam is the popular nist tool that predicts airflows and contaminant concentrations in. Software piracy is theft, using crack, password, serial numbers, registration codes, key generators, cd key, hacks is illegal and prevent future development of contamrv v. Wth files are tabdelimited text files that may be readily viewed or modified with a spreadsheet program. Estimating realtime infiltration for use in residential.
The time is supposed to be synchronized over the internet once a week to keep it accurate. However, please pay special attention to the individual works to make sure there are no restrictions indicated. Contam is a popular tool to determine building air infiltration. Contam is a multizone indoor air quality and ventilation analysis program designed to help determine airflows, contaminant concentrations, and personal exposure in buildings. Contampp contam post processor was designed to simplify the process of analyzing contam simulation results. Nist time widget this widget is a public service provided by the time and frequency division of the national institute of standards and technology nist. You can download contam after registering on this page. It sits in the vagina just like a tampon and its specially designed shape raises the vaginal wall, shutting the urethra enough to prevent involuntary loss of urine. Its ability to calculate building airflow rates and relative pressures between zones of the building is useful for assessing the adequacy of ventilation rates in a building, for determining the variation in ventilation rates over time, for determining the distribution of ventilation air within a building, and for estimating the impact of. This example, courtesy of adam benson, shows how you can get the current time from the nist atomic clock server. Pdf contam user guide and program documentation version 3. Validation and assessment of the cfd0 module of contam.