Results 11 to 20 of about 142,181 (306)

Thermal Performance Optimization Simulation Study of a Passive Solar House with a Light Steel Structure and Phase Change Walls

Energies, 2023
Phase change materials are used in passive solar house construction with light steel structure walls, which can overcome the problems of weak heat storage capacity and poor utilization of solar heat and effectively solve the thermal defects of light ...
Lei Cheng, Chunlong Zhuang, Shengbo Li, Guangqin Huang, Hongyu Zhang, Fei Gan, Ningge Xu, Shanshan Hou   +7 more
doaj   +1 more source

Nonlinear buckling and post-buckling of imperfect FG porous sandwich cylindrical panels subjected to axial loading on elastic foundation

Vietnam Journal of Mechanics, 2022
This paper deals with the nonlinear buckling and post-buckling of sandwich cylindrical panels with non-uniform porous core and functionally graded face sheets.
Pham Van Hoan, Dao Nhu Mai, Khuc Van Phu, Le Kha Hoa   +3 more
doaj   +1 more source

Three‐stage improved algorithm based on clustering decomposition and its application in drone demand and task allocation

IET Communications, 2022
This paper proposes a three‐stage algorithm based on clustering decomposition and task allocation—improved clustering planning algorithm (iK‐iD‐N), aiming at the optimization task allocation problem of drones in actual application to meet the task demand
Zhengyuan Liu, Qinghua Wang
doaj   +1 more source

Study on Heat Storage Performance of Phase Change Reservoir in Underground Protection Engineering

Energies, 2022
In view of the main problems of the condensing heat discharge modes of the existing underground air-conditioning system, the technical scheme of using phase change heat storage modules to improve the heat storage capacity of the reservoir is proposed. By
Hongyu Zhang, Fei Gan, Guangqin Huang, Chunlong Zhuang, Xiaodong Shen, Shengbo Li, Lei Cheng, Shanshan Hou, Ningge Xu, Zhenqun Sang   +9 more
doaj   +1 more source

Research dilemma of military logistics

Systemy Logistyczne Wojsk, 2022
Od wielu lata trwają nieustanne prace na płaszczyźnie teorii i praktyki zmierzające do uporządkowania chaosu terminologicznego oraz określenia przejrzystego, powszechnie akceptowalnego zakresu badań logistyki wojskowej. Pomimo wielu prób podejmowanych przez liczne środowiska, prowadzące badania naukowe nad problemami współczesnej logistyki wojskowej ...
Tomasz Jałowiec, Dariusz Grala
openaire   +1 more source

Simulation of critical vulnerabilities in the logistics of supply arms and military equipment under conditions of military threat

Авіаційно-космічна техніка та технологія, 2022
The systemic nature problem related to the simulation of the influence of military threats on the logistics chain of the supply of weapons and military equipment (spare parts for aircrafts, ammunition for rocket systems of volley fire, etc.) is being ...
Oleg Fedorovych, Yevhenii Polishchuk, Yevhen Chmykhun, Vladyslav Solovyov   +3 more
doaj   +1 more source

Logistics support planning model in the conditions of limited resources [PDF]

Vojnotehnički Glasnik, 2022
Introduction/purpose: The paper presents a model of logistics support planning in the conditions of limited logistic resources based on the prioritization of customer requirements and resource allocation.
Nikola B. Simić, Marjan A. Milenkov, Vladimir R. Milovanović, Vlada S. Sokolović, Pavel Ј. Foltin, Balázs Ј. Taksás   +5 more
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Privatizing Military Logistics [PDF]

, 2015
This chapter sets out to explain why governments are privatizing military logistics, and what implications such a trend has for the supply of war into the future. It takes a broad approach, examining a variety of drivers behind military outsourcing and the problems that outsourcing creates politically and for military commanders who are responsible for
Erbel, M., Kinsey, C.
openaire   +2 more sources

Target guiding self-avoiding random walk with intersection algorithm for minimum exposure path problem in wireless sensor networks

EURASIP Journal on Wireless Communications and Networking, 2018
To solve minimum exposure path (MEP) problem in wireless sensor networks more efficiently, this work proposes an algorithm called target guiding self-avoiding random walk with intersection (TGSARWI), which mimics the behavior of a group of random walkers
Tinghong Yang, Dali Jiang, Haiyang Fang, Mian Tan, Li Xie, Jing Zhao   +5 more
doaj   +1 more source

Forecasting the demand for transport services on the example of a selected logistic operator [PDF]

Archives of Transport, 2019
The number of shipments is growing every year, and as a result, new transport companies arise. The increase in competition requires from entrepreneurs to apply solutions increasing the level of services provided in order to best satisfy the needs of the ...
Małgorzata Grzelak, Anna Borucka, Zbigniew Buczyński   +2 more
doaj   +1 more source