Temat: profiles - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Test-supported numerical analysis for evaluation of the load capacity of thin-walled corrugated profiles
Autorzy:: Piekarczuk, A.
Powiązania:: https://bibliotekanauki.pl/articles/200417.pdf
Data publikacji:: 2017
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: numerical analysis
corrugated thin-walled profiles
tests of thin-walled profiles
analiza numeryczna
cienkościenne profile z blachy falistej
testy profili cienkościennych
Opis:: The paper concentrates on a quantitative evaluation of the load capacity of thin-walled, curved steel profiles used as arched roofs in building structures. Corrugation of a profile surface formed by cold rolling changes its load capacity as compared to thin-walled profiles. The paper presents a comparative evaluation of the influence of a sample profile corrugation on its ability to transfer internal forces. The results of the study are presented as limit curves describing load capacity at simultaneous bending and compression. The analysis was conducted using a numerical computational method supported by a study of elements in natural scale. The paper presents a methodology of test-supported calculations and guidelines for practical use by designers.
Źródło:: Bulletin of the Polish Academy of Sciences. Technical Sciences; 2017, 65, 6; 791-798
0239-7528
Pojawia się w:: Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: An application of continuous wavelet transform and wavelet coherence for residential power consumer load profiles analysis
Autorzy:: Kapler, Piotr
Powiązania:: https://bibliotekanauki.pl/articles/2086818.pdf
Data publikacji:: 2021
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: residential power consumers
load profiles
power demand
continuous wavelet transform
wavelet coherence
odbiorcy energii lokalni
zapotrzebowanie na energię
profil obciążenia
ciągła transformata falkowa
spójność falkowa
Opis:: Load profiles of residential consumers are very diverse. This paper proposes the usage of a continuous wavelet transform and wavelet coherence to perform analysis of residential power consumer load profiles. The importance of load profiles in power engineering and common shapes of profiles along with the factors that cause them are described. The continuous wavelet transform and wavelet coherence has been presented. In contrast with other studies, this research has been conducted using detailed (not averaged) load profiles. Presented load profiles were measured separately on working day and weekend during winter in two urban households. Results of applying the continuous wavelet transform for load profiles analysis are presented as coloured scalograms. Moreover, the wavelet coherence was used to detect potential relationships between two consumers in power usage patterns. Results of coherence analysis are also presented in a colourful plots. The conducted studies show that the Morlet wavelet is slightly better suitable for load profiles analysis than the Meyer’s wavelet. Research of this type may be valuable for a power system operator and companies selling electricity in order to match their offer to customers better or for people managing electricity consumption in buildings.
Źródło:: Bulletin of the Polish Academy of Sciences. Technical Sciences; 2021, 69, 1; art. no. e136216, 1--8
0239-7528
Pojawia się w:: Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: An application of continuous wavelet transform and wavelet coherence for residential power consumer load profiles analysis
Autorzy:: Kapler, Piotr
Powiązania:: https://bibliotekanauki.pl/articles/2090695.pdf
Data publikacji:: 2021
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: residential power consumers
load profiles
power demand
continuous wavelet transform
wavelet coherence
odbiorcy energii lokalni
zapotrzebowanie na energię
profil obciążenia
transformata falkowa ciągła
spójność falkowa
Opis:: Load profiles of residential consumers are very diverse. This paper proposes the usage of a continuous wavelet transform and wavelet coherence to perform analysis of residential power consumer load profiles. The importance of load profiles in power engineering and common shapes of profiles along with the factors that cause them are described. The continuous wavelet transform and wavelet coherence has been presented. In contrast with other studies, this research has been conducted using detailed (not averaged) load profiles. Presented load profiles were measured separately on working day and weekend during winter in two urban households. Results of applying the continuous wavelet transform for load profiles analysis are presented as coloured scalograms. Moreover, the wavelet coherence was used to detect potential relationships between two consumers in power usage patterns. Results of coherence analysis are also presented in a colourful plots. The conducted studies show that the Morlet wavelet is slightly better suitable for load profiles analysis than the Meyer’s wavelet. Research of this type may be valuable for a power system operator and companies selling electricity in order to match their offer to customers better or for people managing electricity consumption in buildings.
Źródło:: Bulletin of the Polish Academy of Sciences. Technical Sciences; 2021, 69, 1; e136216, 1--8
0239-7528
Pojawia się w:: Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:: Biblioteka Nauki

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