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Result 1-10 of 1856

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Enumeration	Reference	Cover	Find
1.	Ljung, Lennart, 1946-, et al. (author) Adaptive System Performance in the Frequency Domain 1992 In: Adaptive systems in control and signal processing 1992. - Linköping : Linköping University. - 9780080425962 ; , s. 33-40 Conference paper (peer-reviewed)
2.	Hallbeck, Lotta, 1957, et al. (author) Phylogeny and phenotypic characterization of the stalk-forming and iron-oxidizing bacterium Gallionella ferruginea 1993 In: Journal of General Microbiology. - : Microbiology Society. - 1350-0872 .- 0022-1287. ; 139, s. 1531-1535 Journal article (peer-reviewed)
3.	Hansbo, Peter F G, 1959, et al. (author) A velocity-pressure streamline diffusion finite element method for the incompressible Navier-Stokes equations 1990 In: Computer Methods in Applied Mechanics and Engineering. - LAUSANNE : Elsevier BV. ; 84:2, s. 175-192 Journal article (peer-reviewed)abstract In this paper a streamline diffusion finite element method is introduced for the time-dependent incompressible Navier-Stokes equations in a bounded domnain in R^2 and R^3 in the case of high Reynolds number flow. An error estimate is proved and numerical results are given. The method is based on a mixed velocity-pressure formulation using the same finite element discretization of space-time for the velocity and the pressure spaces, which consists of piecewise linear functions, together with certain least-squares modifications of the Galerkin variational formulation giving added stability without sacrificing accuracy.
4.	Johnson, Claes, et al. (author) On the convergence of shock-capturing streamline diffusion finite element methods for hyperbolic conservation laws 1990 In: Mathematics of Computation. - PROVIDENCE : American Mathematical Society (AMS). - 0025-5718 .- 1088-6842. ; 54:189, s. 107-129 Journal article (peer-reviewed)abstract We extend our previous analysis of streamline diffusion finite element methods for hyperbolic systems of conservation laws to include a shock-capturing term adding artificial viscosity depending on the local absolute value of the residual of the finite element solution and the meh size. With this term present, we prove a maximum norm bound for finite element solutionsof Burgers' equation an thus complete an earlier convergence proof for this equation. We further prove, using entropy variables, that a strong limit of finite element solutions is a weak solution of the system of conservation laws and satisfies the entropy inequality asociated with the entropy variables. Results of some numerical experiments for the time-dependent compressible Euler equations in two dimensions are also reported.
5.	Bernspång, Lars, et al. (author) Sheet metal forming modelled as a quasi-dynamic process 1991 In: Springer volume dedicated to Prof. E. Stein. - Göteborg : Chalmers tekniska högskola. Reports (other academic/artistic)
6.	Borgström, Karin Margaretha, 1956- (author) Determination of the thermal conductivity of the insulation in district heating mains : Field measurements 1994 Doctoral thesis (other academic/artistic)abstract This thesis concerns the development of a measurement method for determination in the field of the thermal conductivity of the insulation in buried district heating mains. The thermal conductivity of the insulation is calculated from the measured value of the radial heat flow through the heating main, the measured temperature difference across the insulation, and the dimensions of the heating main. The heat flow has been measured with a heat flux sensor which was fitted to the surface of the casing. The temperature has been measured with copper/constantan thermocouples. It is a necessary condition for the method used in the project for determination of the thermal conductivity of the heating main insulation that the heating main is uncovered and is not in contact with the surrounding soil over a distance of about 1.5 m and that the measurements are made directly on the heating main. In this way, no account need be taken of the material surrounding the heating main, nor of the effect of this material on the measurements. No interference is needed with the heating main which would affect the distribution of the district heating water, and the heating main can remain in operation during measurements. Shielding insulation consisting of preformed insulation sections which were placed over the casing of the heating main and covered the heat flux sensor and some of the casing. The function of this insulation was to shield the heat flux sensor from external thermal disturbances. In the field measurements, a copper guard plate of 0.5 mm thickness, the temperature of which could be adjusted, was also placed over the shielding insulation in order to maintain the temperature on the heat flux sensor as constant as possible. When temperature and heat flow are measured, the instruments used will be affected by conditions which prevail at the time of measurement. It is therefore very important to analyse the sources of error which may arise in the measuring situation at hand. The effect of these factors on the measured values has been studied by ' laboratory measurements ' theoretical calculations ' field measurements On the basis of the resulting values of heat flows and temperatures obtained in field measurements on plastic heating mains which were operating under normal conditions, the thermal conductivity of the insulation of the main has been estimated. The method has been tested on plastic heating mains with directly foamed insulation, since this is the most common type of heating main both in the existing district heating network and in new construction. The measuring method can also be used on other circular heating mains.
7.	Dahl, S (author) Low oxygen levels in foods : measuring methods and influence on lipid oxidation 1994 Reports (peer-reviewed)
8.	Ekvall, Jan, et al. (author) A Program Package for Modelling and Simulation of Distributed Parameter Processes 1994 In: 36'th Simulation Conference (SIMS '94) - Applied Simulation in Industry. Conference paper (peer-reviewed)
9.	Karlström, Anders, 1958, et al. (author) Control System Design in Distillation Processes and its Dependence of the Original Process Design 1992 In: First IFAC Workshop on Interactions between Process Design and Process Control. Conference paper (peer-reviewed)
10.	Larsson, Marie, 1957, et al. (author) Phytate reduction in oats during malting. 1992 In: Journal of Food Science. ; 57, s. 994-997 Journal article (peer-reviewed)

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Result 1-10 of 1856

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Type of publication: journal article (583); conference paper (400); doctoral thesis (339); licentiate thesis (291); reports (173); book (30); show more...; book chapter (27); editorial collection (8); other publication (3); research review (2); show less...

Type of content: other academic/artistic (997); peer-reviewed (859)

Author/Editor: Nordén, Bengt, 1945 (70); Wiberg, Nils-Erik, 1 ... (59); Leckner, Bo G, 1936 (50); Engström, Tomas, 195 ... (48); Berntsson, Thore, 19 ... (42); Skarnemark, Gunnar, ... (38); show more...; Medbo, Lars, 1957 (31); Löfdahl, Lennart, 19 ... (25); Johansson, Mats, 195 ... (25); Bengtsson, Stefan, 1 ... (22); Gevorgian, Spartak, ... (21); Petersson, Göran, 19 ... (21); Panas, Itai, 1959 (20); Runesson, Kenneth, 1 ... (20); Åmand, Lars-Erik, 19 ... (20); Samuelsson, Alf, 192 ... (20); Hedelin, Per, 1948 (19); Gadde, Lars-Erik, 19 ... (18); Kubista, Mikael, 196 ... (17); Johansson, Bert, 194 ... (16); Svensson, Arne, 1955 (16); Egardt, Bo, 1950 (16); Li, Xiangdong, 1965 (16); Olsson, Peter, 1956 (15); Högberg, Marine, 196 ... (15); Cederwall, Martin, 1 ... (14); Lennartson, Bengt, 1 ... (14); Karlsson, Magnus, 19 ... (14); Sandberg, Ann-Sofie, ... (14); Albinsson, Bo, 1963 (14); Jonson, Björn, 1941 (14); Vamling, Lennart, 19 ... (14); Kim, Seog K. (14); Takahashi, Masayuki, ... (14); Woxenius, Johan, 196 ... (13); Larsson, Lars, 1945 (13); Tepfers, Ralejs, 193 ... (13); Pedersen, Karsten, 1 ... (13); Jeppson, Kjell, 1947 (13); Bohlin, Erik, 1961 (12); Molander, Sverker, 1 ... (12); Andersson, Karin, 19 ... (12); Nyman, Göran Hugo, 1 ... (12); Stemme, Göran, 1958 (12); Engström, Olof, 1943 (12); Boström, Anders E, 1 ... (12); Lyngfelt, Sven, 1947 (11); Riisager, K. (11); Hvitt Strömvall, Ann ... (11); Dyrssen, Catharina, ... (11); show less...

University: Chalmers University of Technology (1856)Undo refine; University of Gothenburg (112); Jönköping University (15); RISE (7); Uppsala University (3); Luleå University of Technology (3); show more...; Royal Institute of Technology (2); Halmstad University (1); Linköping University (1); Lund University (1); Mid Sweden University (1); University of Skövde (1); University of Borås (1); show less...

Language: English (1709); Swedish (137); German (8); French (2)

Research subject (UKÄ/SCB): Engineering and Technology (1041); Natural sciences (829); Social Sciences (39); Medical and Health Sciences (36); Humanities (14); Agricultural Sciences (13)

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