1 A Framework for the Construction of Golay Sequences (2009)
Frank Fiedler, Jonathan Jedwab, Matthew G. Parker
normal form for m! · 2 h(m+2) ordered Golay pairs of length 2 m over Z 2 h, involving m!/2 · 2 h(m+1) Golay sequences. In 2005 Li and Chu unexpectedly found an additional 1024 length 16 quaternary...
Carbon monoxide emissions of combined pellet and solar heating systems (2009)
Fiedler, Frank, Persson, Tomas
Emissions are an important aspect of a pellet heating system. Low harmful emissions, particularly carbon monoxide, are a measure of a well performing system. High carbon monoxide emissions are often...
Validation of a dynamic model for wood pellet boilers and stoves (2009)
Persson, Tomas, Fiedler, Frank, Nordlander, Svante, Bales, Chris, Paavilainen, Janne
Optimising systems with wood pellet boilers or stoves using simulations requires realistic computer models. The objective of this work was to develop and verify a mathematical model for wood pellet...
Förstudie småskalig pelletanvändning i Chile (2009)
Syftet med denna förstudie var att undersöka vilka förutsättningar finns för pelletvärmesystem och om marknaden i Chile kan vara intressant för svenska företag som tillverka den typ...
Evaluation and simulation of a PV-Wind Hybrid System (2009)
This work is evaluating a PV-Wind Hybrid system that has been installed in 2006 on the roof of Dalarna University in Borlänge/Sweden. Complementing the measurements, simulations with HOMER have been...
Financial and technical Evaluation of Solar Streetlight System (2009)
Ju, Zhenhe, Li, Shi, Fiedler, Frank
According to the financial evaluation principle of technology, the authors analyze the investment of solar streetlight systems, calculate the net present value in life time and dynamic payback period...
Design method for solar heating systems in combination with pellet boilers/stoves (2008)
Frank Fiedler, Chris Bales, Tomas Persson, Er Thür
In this study an optimization method for the design of combined solar and pellet heating systems is presented and evaluated. The paper describes the steps of the method by applying it for an example...
Let PG(2, 2 m) be the Desarguesian plane of order 2 m. A set K of k points in PG(2, 2 m) is called a (k, n)-arc if no n + 1 points of this set are collinear. The number n is called the degree of the...
How do more Golay sequences arise (2008)
Frank Fiedler, Jonathan Jedwab
In 1999 Davis and Jedwab gave a direct construction of Golay complementary sequences over Z 2 h of length 2 m. Recently Li and Chu found 1024 more quaternary Golay complementary sequences of length...
A methodology and tooling enabling application specific processor design (2008)
This paper presents a highly efficient processor design methodology based on the LISA 2.0 language. Typically the architecture design phase is dominated by an iterative processor model refinement...
Desarguesian Planes, Frank Fiedler, Ka Hin Leung, Qing Xiang
Dedicated to Adriano Barlotti on the occasion of his 80th birthday Abstract. We study the problem of determining the largest d of a non-Denniston maximal arc of degree 2 d generated by a fp; 1g-map...
PV-Wind Hybrid Systems for Swedish Locations (2008)
Fiedler, Frank, Pazmino, Victor, Berruezo, Irati
PV-Wind-Hybrid systems for stand-alone applications have the potential to be more cost efficient compared to PV-alone systems. The two energy sources can, to some extent, compensate each others...
Monitoring results of a new developed combined pellet and solar heating system (2008)
Fiedler, Frank, Bales, Chris, Vestlund, Johan
In this study the monitoring results of prototype installation of a recently developed solar combisystem have been evaluated. The system, that uses a water jacketed pellet stove as auxiliary heater,...
Reduction of co-emissions by combining pellet and solar heating systems (2008)
Fiedler, Frank, Persson, Tomas, Bales, Chris
Emissions are an important aspect of a pellet heating system. High carbon monoxide emissions are often caused by unnecessary cycling of the burner when the burner is operated below the lowest...
Review of an International Master Programme in Solar Energy Engineering (2008)
Lindberg, Eva, Fiedler, Frank, Bales, Chris, Rönnelid, Mats
The European Solar Engineering School ESES is a one-year master programme that started in 1999 at the Solar Energy Research Center, SERC, Dalarna University College. The programme, run in English,...
Techno-economic feasibility analysis of PV-wind hybrid systems for Sweden (2008)
Fiedler, Frank, Pazmino, Victor, Berruezo, Irati
PV-Wind-Hybrid systems for stand-alone applications have the potential to be more cost efficient compared to PV-alone systems. The two energy sources can, to some extent, compensate each others...
A method for the simultaneous determination of the energy scales for b-quark jets and light jets, the jet energy resolution, and the top quark mass at hadron colliders is presented. The method...
Fiedler, Frank, Bales, Chris, Persson, Tomas, Nordlander, Svante
Emission and electricity consumption are important aspects of a pellet heating system. Low noxious emissions, particularly carbon monoxide, are a measure of a well-performing system. High carbon...
Optimisation method for solar heating systems in combination with pellet boilers/stoves (2007)
Fiedler, Frank, Bales, Chris, Persson, Tomas
In this study an optimisation method for the design of combined solar and pellet heating systems is presented and evaluated. The paper describes the steps of the method by applying it for an example...
Monitoring results of combined pellet and solar heating system (2007)
Fiedler, Frank, Bales, Chris, Vestlund, Johan
In this study the monitoring results of prototype installation of a recently developed solar combisystem have been evaluated. The system, that uses a water jacketed pellet stove as auxiliary heater,...
Annual CO-emissions of combined pellet and solar heating systems (2007)
Fiedler, Frank, Persson, Tomas
Emissions are an important aspect of a pellet heating system. High carbon monoxide emissions are often caused by unnecessary cycling of the burner when the burner is operated below the lowest...
Simon Furbo, Alexander Thür, Ph. D. Student, Elsa Andersen, Chris Bales, Frank Fiedler, ...
Solar thermal components adapted to common building standards (SCAS) • Higly attractive new products for architects, the construction industry and private home owners • Three new concepts...
Combined solar and pellet heating systems : Study of energy use and CO-emissions (2006)
In this study 4 solar and pellet heating systems have been studied with the help of annual dynamic simulations. Two of the systems comprised a pellet stove and two systems were solar combisystems;...
Combined solar and pellet heating systems : Study of energy use and CO-emissions (2006)
In this study 4 solar and pellet heating systems have been studied with the help of annual dynamic simulations. Two of the systems comprised a pellet stove and two systems were solar combisystems;...
Thermal performance of combined solar and pellet heating systems (2006)
Fiedler, Frank, Nordlander, Svante, Persson, Tomas, Bales, Chris
Various pellet heating systems are marketed in Sweden, some of them in combination with a solar heating system. Several types of pellet heating units are available and can be used for a combined...
Computer modelling of wood pellet stoves and boilers connected to solar heating systems (2006)
Nordlander, Svante, Persson, Tomas, Fiedler, Frank, Rönnelid, Mats, Bales, Chris
When optimizing systems for wood pellet and solar heating, there is a need for realistic computer models of stoves and boilers in order to perform simulation studies. The objective of this work was...
Persson, Tomas, Fiedler, Frank, Rönnelid, Mats, Bales, Chris
This study focus on how wood pellets and solar heating systems for single-family houses should be designed and controlled to reach high efficiency and to reduce the CO-emissions. A recently developed...
Design method for solar heating systems in combination with pellet boilers/stoves (2006)
Fiedler, Frank, Bales, Chris, Persson, Tomas, Thür, Alexander
In this study an optimization method for the design of combined solar and pellet heating systems is presented and evaluated. The paper describes the steps of the method by applying it for an example...
Persson, Tomas, Fiedler, Frank
This report describes a method how to perform measurements on boilers and stoves and how to identify parameters from the measurements for the boiler/stove-model TRNSYS Type 210. The model can be used...
European Solar Engineering School ESES : Past and Future (2006)
Bales, Chris, Lindberg, Eva, Fiedler, Frank, Rönnelid, Mats
The European Solar Engineering School ESES is a one-year masters program that started in 1999 at the Solar Energy Research Center SERC, Dalarna University College. It has been growing in popularity...
European Solar Engineering School ESES - Past and Future (2006)
Bales, Chris, Lindberg, Eva, Fiedler, Frank, Rönnelid, Mats
The European Solar Engineering School ESES is a one-year masters program that started in 1999 at the Solar Energy Research Center SERC, Dalarna University College. It has been growing in popularity...
Development of a Compact Solar Combisystem (2006)
Thür, Alexander, Furbo, Simon, Fiedler, Frank, Bales, Chris
Within the frame of the project REBUS, "Competitive solar heating systems for residential buildings", which is financed by Nordic Energy Research, a new type of compact solar combisystem with high...
Nordic Energy Research Cooperation on Solar Combisystems (2006)
Furbo, Simon, Thür, Alexander, Fiedler, Frank, Bales, Chris, Rekstad, John, Meir, Michaela, ...
This paper describes ongoing research on solar combisystems for the Nordic and Baltic countries carried out within the projects "Competitive solar heating systems for residential buildings" and...
Combined solar and pellet heating systems : Studies of energy use and CO-emissions (2006)
In this study 4 solar and pellet heating systems have been studied with the help of annual dynamic simulations. Two of the systems comprised a pellet stove and two systems were solar combisystems;...
Solar thermal components adapted to common building standards (SCAS) (2006)
Furbo, Simon, Thür, Alexander, Bales, Chris, Fiedler, Frank, Rekstad, John, Meir, Michaela, ...
Pilot versions of a solar heating/natural gas burner system, of a solar heating/pellet burner system and of a façade/roof integrated polymeric collector have been installed in the summer of 2006 in...
Competitive Solar Heating Systems for Residential Buildings (REBUS) (2006)
Furbo, Simon, Thür, Alexander, Bales, Chris, Fiedler, Frank, Rekstad, John, Meir, Michaela, ...
Research on solar combisystems for the Nordic and Baltic countries have been carried out. The aim was to develop competitive solar combisystems which are attractive to buyers and to educate experts...
Frank Fiedler, Jonathan Jedwab, Matthew G. Parker
We argue that a Golay complementary sequence is naturally viewed as a projection of a multidimensional Golay array. We present a three-stage process for constructing and enumerating Golay array and...
Top Quark Production and Properties at the Tevatron (2005)
Fiedler, Frank, Collaborations, CDF
The precise measurement of top quark production and properties is one of the primary goals of the Tevatron during Run II. The total top-antitop production cross-section has been measured in a large...
Fiedler, Frank, Thür, Alexander, Bales, Chris, Furbo, Simon
At the beginning of 2003 the four year long research project REBUS on education, research, development and demonstration of competitive solar combisystems was launched. Research groups in Norway,...
Facade integration of polymeric solar collectors (2005)
Meir, Michaela, Mathisen, Oyvind, Rekstad, John, Schakenda, Janet, Fiedler, Frank
The present paper examines building integrated solar collectors with absorbers of polymeric materials. Efficiency measurements of façade-integrated collectors with non-selective black and spectrally...
Test and Calibration of Large Drift Tube Chambers with Cosmic Rays (2005)
Biebel, Otmar, Christiansen, Tim, Dubbert, Jörg, Elmsheuser, Johannes, Fiedler, Frank, Hertenberger, Ralf, ...
A cosmic ray measurement facility has been set up at Ludwig-Maximilians-University Munich (LMU) and is used at present to commission and calibrate Monitored Drift Tube (MDT) chambers for the muon...
On Mathon's construction of maximal arcs in Desarguesian planes. II (2004)
Fiedler, Frank, Leung, Ka Hin, Xiang, Qing
In a recent paper [M], Mathon gives a new construction of maximal arcs which generalizes the construction of Denniston. In relation to this construction, Mathon asks the question of determining the...
The emphasis of this report is on the actual technology of small-scale pellet combustion units and important regulations concerning emissions and pellets. Wood as a heating source has a long...
Heat Losses and Thermal Performance of Commercial Combined Solar and Pellet Heating Systems (2004)
Fiedler, Frank, Nordlander, Svante, Persson, Tomas, Bales, Chris
Various pellet heating systems are marketed in Sweden, some of them in combination with a solar heating system. Several types of pellet heating units are available and can be used for a combined...
Heat losses and thermal performance of commercial combined solar and pellet heating systems (2004)
Fiedler, Frank, Persson, Tomas, Bales, Chris, Nordlander, Svante
Various pellet heating systems are marketed in Sweden, some of them in combination with a solar heating system. Several types of pellet heating units are available and can be used for a combined...
Maximal arcs in PG(2,2m) [microform] / (2004)
Thesis (Ph. D.)--University of Delaware, 2004.
The Application Of Renewable Energy For Prefab Houses In Germany (2003)
Within the framework of the REBUS project the German building industry has been investigated regarding their energy concepts. The intention was to evaluate the establishment of renewable energy...
Optical and Thermal Performance of Load Adapted Solar Collectors (2002)
This thesis is part of a research project about Load Adapted Collectors (LAC) for high latitudes at the Solar Energy Research Center (SERC) in Borlänge. Load adapted collectors have been studied...
Freiberg (Sachsen), Techn. Universiẗat, Diss., 1999.
Heavy quark production and hadronisation at LEP / (1999)
Zugl.: Hamburg, Univ., Diss., 1999.
Jena, Univ., Math.-Naturwiss.-Techn. Fak., Diss. A, 1973. (Nicht f. d. Austausch.).
Differenzierung, Integration und Einheit der Wissenschaften. (1966)
Leipzig, Phil. F., Hab.Schr. v. 26. Okt. 1966 (Nicht f. d. Aust.).
Leipzig, Phil. F., Diss. v. 15. Juli 1961 (Nicht f. d. Aust.).
Dubbert, Jörg, Groh, Manfred, Horvat, Sandra, Kortner, Oliver, Kroha, Hubert, Mohrdieck-Moeck, Susanne, ...
The ATLAS experiment at the Large Hadron Collider (LHC) at CERN is currently being assembled and to be ready for data taking in 2007. In the barrel region of its muon spectrometer, a toroidal...
Dubbert, Jörg, Groh, Manfred, Horvat, Sandra, Kortner, Oliver, Kotov, Sergei, Kroha, Hubert, ...
The ATLAS experiment at the Large Hadron Collider (LHC) at CERN is currently being assembled and to be ready to take data in 2007. In the barrel part of the muon spectrometer a toroidal air-core...