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Orientation Weeks 2020 SCHEDULE FOR INTERNATIONAL STUDENTS Sc he du le fo r i nt er na tio na l s tu de nt s 2 SCHEDULE FOR THE ORIENTATION WEEKS AUTUMN 2020 HEALTH AND SAFETY Great care has been taken to make sure that the events are in line with the regulations from the Swedish health authorities. The program is subject to change, and changes might be made with a very short notice. • All partici
Microsoft Word - Afrint II Zambia micro report_draft.doc i INSTITUTE OF ECONOMIC AND SOCIAL RESEARCH University of Zambia AFRINTII –THE MILLENUIM DEVELOPMENT GOALS AND THE AFRICAN FOOD CRISIS ZERO DRAFT MICRO REPORT MAY 2009 ii TABLE OF CONTENTS iii LIST OF TABLES iv LIST OF ACRONYMS v ACKNOWLEDGEMENTS The study AFRINTII-The Millennium Development Goals and the African Food Crisis has been prepare
https://www.keg.lu.se/en/sites/keg.lu.se.en/files/a28.pdf - 2026-07-05
Namnlös 1 Medicinska fakultetens kvalitetskonferens 2023 Forum kvalitet anordnas varje höst och syftar till erfarenhetsutbyte kring fakultetens kvalitetsprocesser samt aktuella tematiska frågor. Konferensen inleds med en lunchsession för erfarenhetsutbyte kring fakultetens interna utbildningsutvärderingar. Programmet för övrigt utgår från QPS (Quality and Progress System) i kvalitetsarbetet. Genom
https://www.intramed.lu.se/en/sites/intramed.lu.se.en/files/2023-09/Program%20Forum%20Kvalitet%202023.pdf - 2026-07-05
LUM Lunds universitets magasin | Nr 7 | 2007 biobröder Faller en så faller alla ESS värmer upp Lund? LUM nr 7 | 2007 Scenbyte LUM nr 7 | 2007 Äntligen har Teaterhögskolan i Mal- mö fått undervisningslokaler och teaterscen på samma ställe. Fast när Bryggeriteatern stod klar i Mazettikvarteret 2004 fanns det inga tankar på att man också kunde flytta resten av skolan dit. Men en lycklig slump gjord
https://www.lu.se/sites/www.lu.se/files/lunds-universitets-magasin-7-2007.pdf - 2026-07-05
A search is presented for the pair production of heavy vector-like T quarks, primarily targeting the T quark decays to a W boson and a b-quark. The search is based on 36.1 fb−1 of pp collisions at s=13 TeV recorded in 2015 and 2016 with the ATLAS detector at the CERN Large Hadron Collider. Data are analysed in the lepton-plus-jets final state, including at least one b-tagged jet and a large-radius
utomotive systems offer a rich opportunity for hybrid models, controls, and tools. Beyond the traditional use of hybrid models for representing the behavior of the composition of discrete controller and continuous plants, automotive mechanical systems exhibit hybrid behavior as demonstrated in this chapter. In addition, hybrid systems can be used to capture system specifications at the highest lev
A Scania 13 1 engine modified for single cylinder operations was run using nine fuels in the boiling point range of gasoline, but very different octane number, together with PRF20 and MK1-diesel. The eleven fuels were tested in a load sweep between 5 and 26 bar gross IMEP at 1250 rpm and also at idle (2.5 bar IMEP, 600 rpm). The boost level was proportional to the load while the inlet temperature
The current research focuses in understanding how inlet pressure, EGR, combustion phasing, engine speed and pilot main ratio are affecting the main parameters of the combustion (e.g. efficiency, NOx, soot, maximum pressure rise rate) in the novel concept of injecting high octane number fuels in partially premixed combustion. The influence of the above mentioned parameters was studied by performing
Using alternative fuels like Natural Gas (NG) has shown good potentials on heavy duty engines. Heavy duty NG engines can be operated either lean or stoichiometric diluted with EGR. Extending Dilution limit has been identified as a beneficial strategy for increasing efficiency and decreasing emissions. However dilution limit is limited in these types of engines because of the lower burnings rate of
The behavior of Ethanol and seven fuels in the boiling point range of gasoline but with an Octane Number spanning from 69 to 99 was investigated in Partially Premixed Combustion. A load sweep was performed from 5 to 18 bar gross IMEP at 1300 rpm. The engine used in the experiments was a single cylinder Scania D12. To allow high load operations and achieve sufficient mixing, the compression ratio w
It is tractable to increase the torque for an HCCI engine and one way is to add a turbocharger. Operating in HCCI mode requires accurate control of the combustion phasing, CA50. The higher the engine torque, the narrower the CA50 window becomes where HCCI operation is maintained. As the CA50 varies stochastically between cycles this requires improved CA50 control for turbo HCCI engines. The main f
By using a turbo the operating range of the HCCI engine can be increased, but at the expense of increased controller complexity. The dynamics the turbo introduces in the intake and the exhaust manifolds, have a large impact on the in-cylinder mixture temperature, pressure and finally the combustion phasing. To compensate for this and to maintain desired combustion phasing, precise control of the n
For diesel engines the major exhaust problem is particulate matter and NOx emissions. To reduce NOx, exhaust gas recirculation (EGR) is often used. The behavior of the EGR-level will therefore influence the emissions and it is therefore valuable to keep track of the EGR-level. Especially during transients it is difficult to predict how the EGR-level varies. In this paper the CO2-level in the intak
Partially Premixed Combustion (PPC) is a combustion concept by which it is possible to get low smoke and NOx emissions simultaneously. PPC requires high EGR levels and injection timings sufficiently early or late to extend the ignition delay so that air and fuel mix extensively prior to combustion. This paper investigates the operating region of single injection diesel PPC in a multi cylinder heav
A diesel engine developed for an international market must be able to run on different fuels considering the diesel fuel qualities and the increasing selection of biofuels in the world. This leads to the question of how different fuels perform relative to a standard diesel fuel when not changing the hardware settings. In this study five fuels (Japanese diesel, MK3, EN590 with 10% RME, EN590 with 3
Natural gas and hydrogen enriched natural gas has been tested as fuels together with diesel oil and RME in a single cylinder Scania research engine. The gas was introduced as port injection while the diesel was introduced as early direct injection. Because the gas was premixed with air before combustion and the diesel was injected early in the compression stroke, the engine ran close to HCCI mode.
In HCCI you do not have the same control of the combustion like in SI and Diesel engines. Controlling the start of a combustion event is a difficult task and requires feedback from previous cycles. This feedback can be retrieved from ion current measurements. By applying a voltage over the spark gap, ions will lead a current and a signal that represents the combustion in the cylinder will be retri
Utilization of an ethanol driven, combustion-based power generator promises high-efficiency combustion in diesel-like engines and avoids problems connected to shrinking supplies of fossil fuels since fuels like ethanol or dimethyl ether can be produced from renewable resources. Fuel injection into such generator through a piezoelectric micro mass flow controller (MMFC) features low power consumpti
A piezoelectric micro mass flow controller (MMFC) for liquid fuel injection into a mini-HCCI-motor for power generation is introduced. Piezoelectric actuation ensures negligible power consumption for fuel injection allowing self-sustaining operation. A pressurized fuel tank is connected to the MMFC which is designed like a normally-closed, on-/off-operating valve. Integrated piezoresistors are use
This work has focused on studying the in-cylinder pressure fluctuations caused by rapid HCCI combustion and determine what they consist of. Inhomogeneous autoignition sets up pressure waves traversing the combustion chamber. These pressure waves induce high gas velocities which causes increased heat transfer to the walls or in worst case engine damage. In order to study the pressure fluctuations a
