Autor: Hu, Xing - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Simulation and optimization of a new energy vehicle power battery pack structure
Autorzy:: Ruan, Guanqiang
Yu, Changqing
Hu, Xing
Hua, Jing
Powiązania:: https://bibliotekanauki.pl/articles/2055057.pdf
Data publikacji:: 2021
Wydawca:: Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
Tematy:: static
dynamic
modal
lightweight
optimization
Opis:: With the rapid growth in new energy vehicle industry, more and more new energy vehicle battery packs catch fire or even explode due to the internal short circuit. Comparing with traditional vehicles, the new energy vehicles industry should pay more attention to safety of power battery pack structures. The battery pack is an important barrier to protect the internal batteries. A battery pack structure model is imported into ANSYS for structural optimization under sharp acceleration, sharp turn and sharp deceleration turn conditions on the bumpy road. Based on the simulation, the battery pack structure is improved, and suitable materials are determined. Then the collision resistance of the optimized battery pack is verified, and the safety level is greatly improved. While ensuring the safety and reliability of the battery pack structure, it also reduces the weight to satisfy the lightweight design and complies with relevant technical standards.
Źródło:: Journal of Theoretical and Applied Mechanics; 2021, 59, 4; 565--578
1429-2955
Pojawia się w:: Journal of Theoretical and Applied Mechanics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Effect of airplane passenger seat armrest height on human neck comfort when using a smartphone
Autorzy:: Tang, Xing
Yu, Suihuai
Chu, Jianjie
Zhang, Luwei
Fan, Hao
Hu, Yukun
Jiang, Gang
Powiązania:: https://bibliotekanauki.pl/articles/2084809.pdf
Data publikacji:: 2022-04-11
Wydawca:: Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
Tematy:: smartphone
airplane
armrest height
head posture
neck comfort
flexion angle
Opis:: ObjectivesThe objective of this study was to explore the relationship between seat armrest height and human neck comfort when using a smartphone while sitting on a passenger seat during the flight.Material and MethodsThe authors used a wireless angle-measuring instrument and subjective comfort scale to evaluate the changes of head flexion angle and neck comfort level of 24 young smartphone users in an aircraft simulated cabin.ResultsThe study results indicated that using a smartphone while sitting on a passenger seat during the flight would pose a larger discomfort to the neck, and the discomfort would be higher for gaming than reading tasks. Seat armrest height is related to the comfort level of the neck when using a smartphone, increasing the height of the armrest can effectively alleviate discomfort in this state.ConclusionsConsidering the prevalence of passengers using smartphones in aircraft, a seat armrest that can be properly adjusted in height, which can effectively reduce the risk of passenger head flexion angle and neck discomfort.
Źródło:: International Journal of Occupational Medicine and Environmental Health; 2022, 35, 2; 199-208
1232-1087
1896-494X
Pojawia się w:: International Journal of Occupational Medicine and Environmental Health
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Study on surface modification of cerussite by thermochemical processing with pyrite
Autorzy:: Zheng, Yong-Xing
Ning, Ji-Lai
Xie, Haiyun
Lv, Jin-Fang
Hu, Pan-Jin
Pang, Jie
Powiązania:: https://bibliotekanauki.pl/articles/1448573.pdf
Data publikacji:: 2021
Wydawca:: Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:: cerussite
pyrite
surface modification
thermochemical processing
flotation
Opis:: In this paper, surface modification of cerussite by thermochemical processing with pyrite was studied based on microflotation tests, X-ray powder diffractometry (XRD), X-ray photoelectron spectroscopy (XPS) and electron probe microanalysis (EPMA). Microflotation test results showed that the surface modification facilitated flotation of the treated cerussite and improved the flotation recovery to approximately 90%. The results of XRD analyses confirmed that cerussite was transformed into massicot, which then interacted with pyrite to form $PbS$, $PbSO_4$, $PbO•PbSO_4$ and $4PbO•PbSO_4$. XPS analyses results revealed that both $PbS$ and $PbS_2$ were formed on the mineral surface, and the percentage of $PbS$ increased with increasing $FeS_2$/$PbCO_3$ (F/P) mole ratio, which was advantageous for the flotation of the modified cerussite. EPMA analyses showed that particles with layered configurations were obviously formed after thermochemical processing. The thickness of the products at the outer layer of the particles increased when the F/P mole ratio increased. Moreover, the S and O contents in the products increased and decreased, respectively.
Źródło:: Physicochemical Problems of Mineral Processing; 2021, 57, 1; 156-167
1643-1049
2084-4735
Pojawia się w:: Physicochemical Problems of Mineral Processing
Dostawca treści:: Biblioteka Nauki

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