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- Hollberg, Alexander, 1985
(författare)
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Does a flipped classroom approach help? – Experiences from a project-based engineering course
- 2023
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Ingår i: Proceedings Chalmers Conference on Teaching and Learning 2023. - 9789188041548 ; , s. 24-31
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Konferensbidrag (refereegranskat)abstract
- Many project-based courses start with theoretical background lectures. However, the application of this knowledge in the students’ projects is often limited. This paper explores the research question: Does a flipped classroom approach improve the connection between theoretical lectures and the practical project? The method consists of converting four conventional lectures into a flipped classroom approach and posing surveys to the students. Furthermore, the teachers reflect on the outcomes in comparison to previous years. The results show that the exercises after the pre-recorded flipped lectures are appreciated by the students. However, the quality of their final project reports and observations during supervision meetings do not show clear results. As the project was carried out in 2021 during the pandemic, the results might be overshadowed by the impact of the remote teaching situation. Finally, the continued work on the flipped classroom approach led to high quality reports and improved course evaluations in 2023.
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| 3. |
- Cottinet, M, et al.
(författare)
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Road information and road safety
- 1989
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Ingår i: Proceedings of Road Safety in Europe in Gothenburg, Sweden, October 12-14 1988. - Linköping : Statens väg- och transportforskningsinstitut. ; , s. 69-73
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Konferensbidrag (övrigt vetenskapligt/konstnärligt)
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| 4. |
- Mudalige, Anuradha, et al.
(författare)
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Influence of the reactive power control loop on network frequency perturbation plot
- 2023
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Ingår i: PEDG 2023. - : Institute of Electrical and Electronics Engineers (IEEE). ; , s. 814-820
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Konferensbidrag (refereegranskat)abstract
- Grid Forming (GFM) inverters are valuable assets for enabling sustainable power systems. Network Frequency Perturbation (NFP) plot could serve as a valuable tool for evaluating the behaviour of a GFM inverter's active power control (APC) loop. NFP plot has been recommended in the recent grid code modification by National Grid ESO as a document to be submitted by a grid forming (GFM) plant operator for compliance testing purposes. In a grid connected GFM inverter, it is well known that the APC and reactive power control (RPC) loops are inherently coupled with each other. However, state of the art guidelines on producing and interpreting an NFP plot have completely disregarded the influence of this coupling effect in an attempt to simplify the analysis. In this paper, a systematic analysis is presented which identifies the conditions under which such a simplification could be valid, or could otherwise introduce significant influence on the NFP plot. Simulation results are presented validating the theoretical analysis.
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| 5. |
- Zelenski, M., et al.
(författare)
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High emission rate of sulfuric acid from Bezymianny volcano, Kamchatka
- 2015
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Ingår i: Geophysical Research Letters. - 1944-8007 .- 0094-8276. ; 42:17, s. 7005-7013
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Tidskriftsartikel (refereegranskat)abstract
- High concentrations of primary sulfuric acid (H2SO4) in fumarolic gases and high emission rate of sulfuric acid aerosol in the plume were measured at Bezymianny volcano, an active dome-growing andesitic volcano in central Kamchatka. Using direct sampling, filter pack sampling, and differential optical absorption spectroscopy measurements, we estimated an average emission of H2SO4 at 243 ± 75 t/d in addition to an average SO2 emission of 212 ± 65 t/d. The fumarolic gases of Bezymianny correspond to arc gases released by several magma bodies at different stages of degassing and contain 25-92% of entrained air. H2SO4 accounts for 6-87 mol% of the total sulfur content, 42.8 mol% on average, and SO2 is the rest. The high H2SO4 in Bezymianny fumaroles can be explained by catalytic oxidation of SO2 inside the volcanic dome. Because sulfate aerosol is impossible to measure remotely, the total sulfur content in a plume containing significant H2SO4 may be seriously underestimated.
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