Temat: shell corrosion - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Reliability estimation of underground horizontal fuel tank limit states
Autorzy:: Sorn, Przemysław
Sondej, Mateusz
Górski, Jarosław
Powiązania:: https://bibliotekanauki.pl/articles/2204538.pdf
Data publikacji:: 2023
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: underground fuel tanks
shell corrosion
reliability analysis
korozja powłoki
analiza niezawodności
zbiornik paliwa podziemny
Opis:: Fuel tanks are designed with regard to standard loads and operating conditions. The investigations of the paper show the impact of such factors as tank corrosion and other means on variation of stress fields and deformation of the underground horizontal tank shell. Introduction of probabilistic methods allows for structural reliability assessment. While the computational time of the entire tank FEM model is high the preliminary analysis is restricted to structural part only. The analysis makes it possible to optimize the structure with regard to construction costs.
Źródło:: Bulletin of the Polish Academy of Sciences. Technical Sciences; 2023, 71, 2; art. no. e144588
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:: Cast-in-situ piles encasements based on oil-bituminous rocks (kirs) in saline soils
Autorzy:: Unaibayev, Bulat Z.
Unaibayev, Bulat B.
Andreyachshenko, Violetta
Powiązania:: https://bibliotekanauki.pl/articles/35519508.pdf
Data publikacji:: 2021
Wydawca:: Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
Tematy:: corrosion
foundation
protective shell
encasement
mastic
Opis:: A technology of building a pile foundation in saline soils with a protective and load-bearing shell based on bituminous rocks (kirs) is proposed that makes it possible to eliminate water permeability, to increase suffusion resistance and bearing capacity of the soil, as well as durability. The method of extracting natural bitumen from bituminous rocks (kirs) is based on the ability of kirs to self-grind or disintegrate into small parts at elevated temperatures in aqueous salt solutions. The proposed method excludes mechanical grinding and allows reducing the consumption of reagents and improving the quality of extracted natural bitumen. The compositions of the obtained mastics based on natural bitumen are not inferior in their properties to the known compositions of waterproofing cold mastics based on industrial bitumen at a lower cost.
Źródło:: Scientific Review Engineering and Environmental Sciences; 2021, 30, 1; 51-61
1732-9353
Pojawia się w:: Scientific Review Engineering and Environmental Sciences
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Seed Shells as Active and Nontoxic Corrosion Inhibitors for Aluminum in Aggressive Acid Environment
Autorzy:: Nwanneka, Emembolu Loveth
Okeychukwu, Onukwuli Dominic
Kanwulia, Igbokwe Pilomena
Powiązania:: https://bibliotekanauki.pl/articles/1031576.pdf
Data publikacji:: 2020
Wydawca:: Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:: Acid inhibition
Afzelia africana
Aluminum corrosion
Brachystegia eurycoma
Derium microcarpum
Mucuna flagellipes
Pentaclethra macrophlla
chemical measurements
seed shell extracts
thermodynamic parameters
Opis:: Chemical (weight loss and thermometric) measurements were used to study the corrosion inhibition characteristics of five seed shells, namely Afzelia africana seed shell (AASS), Brachystegia eurycoma seed shell (BESS), Derium microcarpum seed shell (DMSS), Mucuna flagellipes seed shell (MFSS) and Pentaclethra macrophlla seed shell (PMSS), respectively, on the inhibition of aluminum corrosion in aggressive 2.0 % HCl solutions at 30 and 50 °C for 8 hrs. Weight loss and thermometric measurements demonstrated that the seed shells (AASS, BESS, DMSS, MFSS and PMSS extracts) act as good corrosion inhibitors. Addition of the seed shell extracts decreases the corrosion rate of the process thereby improving inhibition performance. The result also reveals that the five seed shell extracts adsorb on the Aluminum surface through physical adsorption in accordance with Flory-Huggins and Langmuir adsorption isotherms at all temperatures investigated. Kinetic-thermodynamic parameters indicate a spontaneous adsorption process. Results of inhibition efficiency demonstrates that DMSS extract performed better as compared to BESS, AASS, PMSS and MFSS extracts.
Źródło:: World News of Natural Sciences; 2020, 31; 120-137
2543-5426
Pojawia się w:: World News of Natural Sciences
Dostawca treści:: Biblioteka Nauki

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