En applikationsinfrastruktur för massutskick av e-post

In today's society it is becoming more and more important with direct marketing. Some of the direct marketing is done through e-mail, in which companies see an easy way to advertise himself. I did this thesis work at WebDoc Systems. They have a product that creates web documents directly in your browser, also called CMS. The CMS has a module for sending mass e-mail, but this module does not function properly and WebDoc Systems customers are dissatisfied with that part of the product. The problem with the module was that sometimes it didn't send the e-mail, and that it was not possible to obtain some form of follow-up information on the e-mail. The goal of this work was to develop a Web service that could easily send e-mail to many receivers, just as easily be able to view statistics on how mailing has gone. The first step was to do a literature review to get a good picture of available programming platforms, but also to be able create a good application infrastructure. The next step was to implement this design and improve it over time by using an iterative development methodology. The result was an application infrastructure that consists of three main parts and a plugin interface. The parts that were implemented were a Web service application, a Web application and a Windows service application. The three elements cooperate with each other and share a database, and plugins.

Six-Day System Test and Component test and System Simulation for Combitanks with Internal heat Exchangers

An international standard, ISO/DP 9459-4 has been proposed to establish a uniform standard of quality for small, factory-made solar heating systerns. In this proposal, system components are tested separatelyand total system performance is calculated using system simulations based on component model parameter values validated using the results from the component tests. Another approach is to test the whole system in operation under representative conditions, where the results can be used as a measure of the general system performance. The advantage of system testing of this form is that it is not dependent on simulations and the possible inaccuracies of the models. Its disadvantage is that it is restricted to the boundary conditions for the test. Component testing and system simulation is flexible, but requires an accurate and reliable simulation model.The heat store is a key component conceming system performance. Thus, this work focuses on the storage system consisting store, electrical auxiliary heater, heat exchangers and tempering valve. Four different storage system configurations with a volume of 750 litre were tested in an indoor system test using a six -day test sequence. A store component test and system simulation was carried out on one of the four configurations, applying the proposed standard for stores, ISO/DP 9459-4A. Three newly developed test sequences for intemalload side heat exchangers, not in the proposed ISO standard, were also carried out. The MULTIPORT store model was used for this work. This paper discusses the results of the indoor system test, the store component test, the validation of the store model parameter values and the system simulations.

Fasens påverkan vid inspelning och post-produktion av akustiska trummor : Fasen som medel för att uppnå eftersträvade ljudegenskaper

Det problemområde som denna kandidatuppsats behandlar är fasens påverkan vid inspelning och post-produktion utav akustiska trummor. Syftet med denna kandidatuppsats är att bidra till kunskapsläget inom det ljudtekniska forskningsområdet med praktisk tillämpbar kunskap om fasen som fenomen och dess påverkan vid inspelning och post-produktion utav akustiska trummor. Vidare så ämnar även uppsatsen att problematisera det till synes invanda tankemönstert hos många ljudproducenter och ljudtekniker att fasens påverkan är minimal. En konkretisering utav syftet ledde till följande forskningsfrågor: 1.Hur påverkar fasen ljudet då en beståndsdel i trumsetet är inspelat med fleramikrofoner på nära avstånd? 2.Hur påverkar fasrelationen mellan rumsmikrofoner/överhäng ochnärmikrofoner ljudet? För att finna svar på dessa forskningsfrågor genomfördes ett experiment. Inför detta experiment samlades empiri i form utav inspelade trumspår in. Sedan manipulerades fasförhållandena i efterhand och de effekter som fasen hade på ljudet dokumenterades. Ur det resultat som framställdes utav det genomförda experimentet kan man urskilja flera mönster gällande fasens påverkan vid inspelning och post-produktion utav trummor. Vad detta resultat innebär rent praktiskt för ljud- och musikproducenter är ett underlag för utveckling utav metoder för att uppnå eftersträvade ljudegenskaper i sina produkioner.

A simplified heat pump model for use in solar plus heat pump system simulation studies

Solar plus heat pump systems are often very complex in design, with sometimes special heat pump arrangements and control. Therefore detailed heat pump models can give very slow system simulations and still not so accurate results compared to real heat pump performance in a system. The idea here is to start from a standard measured performance map of test points for a heat pump according to EN 14825 and then determine characteristic parameters for a simplified correlation based model of the heat pump. By plotting heat pump test data in different ways including power input and output form and not only as COP, a simplified relation could be seen. By using the same methodology as in the EN 12975 QDT part in the collector test standard it could be shown that a very simple model could describe the heat pump test data very accurately, by identifying 4 parameters in the correlation equation found. © 2012 The Authors.