Results 61 to 70 of about 19,039 (229)

Experimental and analytical investigation on cryogenic fatigue and fracture behavior of 5% Ni steel welded joints for LEG type B cargo tank

Journal of Ocean Engineering and Science
Type B cargo tanks in Very Large Ethane Carriers (VLECs), constructed with 5 % Ni steel, exhibit non-negligible probability of cryogenic liquid leakage due to fatigue failure in welded joints under cyclic loads and the presence of pre-existing surface ...
Qing-Hua Zhou, Hong-Xiang Xue, Ke-Yi Hu, Hong-Rui Liu, Wen-Ling Tu   +4 more
doaj   +1 more source

Cryogenic Fuel Tank Draining Analysis Model [PDF]

, 2000
One of the technological challenges in designing advanced hypersonic aircraft and the next generation of spacecraft is developing reusable flight-weight cryogenic fuel tanks. As an aid in the design and analysis of these cryogenic tanks, a computational fluid dynamics (CFD) model has been developed specifically for the analysis of flow in a cryogenic ...
openaire   +1 more source

NASA Lewis Research Center low-gravity fluid management technology program [PDF]

, 1985
A history of the Lewis Research Center in space fluid management technology program is presented. Current programs which include numerical modeling of fluid systems, heat exchanger/radiator concept studies, and the design of the Cryogenic Fluid ...
Aydelott, J. C., Carney, M. J., Hochstein, J. I.   +2 more
core   +1 more source

Effect of Tunnel Ventilation on Hydrogen Dispersion From Leaks in Hydrogen Fuel Cell Trucks

Energy Science &Engineering, EarlyView.
This study investigates hydrogen leakage scenarios involving hydrogen fuel cell trucks within tunnels. Using computational fluid dynamics methods, it explores the distribution characteristics of hydrogen concentrations and the efficiency of ventilation under different forced ventilation conditions. ABSTRACT The widespread adoption of hydrogen fuel cell
Limin Geng, Shiyu Shan, Zongxue Yan, Nan Gao, Dong Huang, Zhao Gao, Xinxin Cao   +6 more
wiley   +1 more source

Gas diffuser facilitates withdrawal of cryogenic liquids from tanks [PDF]

, 1966
Compact, cylindrical gas diffuser with radial exhaust slots and internal axial flow channels maintains the necessary pressure for the desired withdrawal rate of cryogenic liquids from tanks.
Dunn, J. D.
core   +1 more source

Overcoming Challenges in 3D Printing of Polyolefins and Their Composites: A Review on Strategies for Improved Printability and Performance

Polymer Engineering &Science, EarlyView.
This review integrates the molecular fundamentals, key challenges, and mitigation strategies in polyolefin 3D printing, focusing on shrinkage, warpage, and adhesion control. It highlights material design approaches using recycled polyolefins and functional fillers to improve printability, mechanical properties, and sustainability in additive ...
Malik Hassan, Philip McMorran, Marwan Eid, Julia Blair, Amar K. Mohanty, Manjusri Misra   +5 more
wiley   +1 more source

Characteristics, properties and limitations of per‐ or polyfluoroalkyl substances (PFASs) and fluoropolymers

Polymer International, EarlyView.
An overview and categorization of man‐made per‐ or polyfluoroalkyl substances (PFASs) including low‐molar‐mass and high‐molar‐mass fluorochemicals, and their international regulations is presented. Though certain PFASs are toxic, bioaccumulative and cross the human cellular membranes, others, such as fluoropolymers, are safe, reliable and involved in ...
Bruno Améduri
wiley   +1 more source

Thermodynamic effects and boil-off management in cryogenic propellant tanks: a systematic review

JPhys Energy
Boil-off losses in cryogenic propellant tanks remain a critical barrier to long-duration orbital missions, in-space refuelling, and planetary exploration.
Alih John Eko, Xuesen Zeng, Mazhar Peerzada, Tristan Shelley, Jayantha Epaarachchi, Cam Minh Tri Tien   +5 more
doaj   +1 more source

FEA-Based Thermo-Structural Modeling of Cryogenic Storage Tanks in Liquid Propulsion Systems

Aerospace
This investigation presents the comprehensive thermo-structural analysis of the propellant tanks utilized in the CROME propulsion system, focused on examining the structural effects caused by the storage of liquid nitrogen, liquid oxygen, and liquid ...
Salvador Orozco, Cynthia L. Ramirez Zamora, Md Amzad Hossain, Ahsan Choudhuri   +3 more
doaj   +1 more source

Optimum Arrangement Design of Mastic Ropes for Membrane-Type LNG Tanks Considering the Flatness of Thermal Insulation Panel and Production Cost

Journal of Marine Science and Engineering, 2020
Thermal insulation panels are installed on the inner walls of liquefied natural gas (LNG) tanks of an LNG carrier to maintain the cryogenic temperature.
Do-Hyun Chun, Myung-Il Roh, Seung-Ho Ham
doaj   +1 more source