Results 131 to 140 of about 47,305 (354)

Moisture Harvesting by the Structure Regulation of Hygroscopic Hydrogel for Energy and Water Sustainability

open access: yesAdvanced Electronic Materials, EarlyView.
Hygroscopic hydrogels are capable of utilizing the moisture from air, which can transfer the gaseous water to liquid by a surface phase transition. Taking advantage of this water, sustainable water production, thermal management, and electricity generation can be realized.
Yujie Du   +5 more
wiley   +1 more source

Performance of a low-pressure-ratio centrifugal compressor with four diffuser designs [PDF]

open access: yes
A low-pressure-ratio centrifugal compressor was tested with four different diffuser configurations. One diffuser had airfoil vanes. Two were pipe diffusers. One pipe diffuser had 7.5 deg cone diffusing passages.
Klassen, H. A.
core   +1 more source

Highly Active IrRuOx/MnOx Electrocatalysts with Ultralow Anode PGM Demand in Proton Exchange Membrane Electrolyzers

open access: yesAdvanced Energy Materials, EarlyView.
MnOx‐supported IrRuOx exhibits outstanding OER performance in both liquid electrolytes and real cell environments. The MnOx not only enhances the dispersion of IrRuOx but also induces a compressive strain effect. The incorporation of Ru leads to surface reconstruction.
Jiaqi Kang   +8 more
wiley   +1 more source

Modeling Gas Compressor Station Operation to Minimize Fuel Costs for Surge Zone Protection

open access: yesInternational Journal of Rotating Machinery
Gas transportation through the pipeline network requires high pressure; otherwise, movement will be impossible. Due to friction with the walls of the pipes, the gas loses both speed and pressure. Therefore, it is necessary to increase the pressure in the
Dinara Zhussupova   +2 more
doaj   +1 more source

The Influence of Compression Temperature on the CBM Compressor Unit Performance

open access: yesShiyou jixie, 2020
To explore the factors and laws that affect the working performance of CBM compressors, by analyzing the influencing factors of the efficiency of the compressor unit, the indicators that affect the performance of the compressor are determined as the ...
Tong Liang   +5 more
doaj  

Experimental performance of a 13.65-centimeter-tip-diameter tandem-bladed sweptback centrifugal compressor designed for a pressure ratio of 6 [PDF]

open access: yes
A 13.65 cm tip diameter backswept centrifugal impeller having a tandem inducer and a design mass flow rate of 0.907 kg/sec was experimentally investigated to establish stage and impeller characteristics.
Klassen, H. A.   +2 more
core   +1 more source

Design of all electric secondary power system for future advanced MALE UAV [PDF]

open access: yes, 2010
SAvE (Systems for UAV Alternative Energy) is a research project funded in 2007 by Piemonte Regional Government, Italy, and assigned to Politecnico di Torino and Alenia Aeronautica.
Chiesa, Sergio   +2 more
core  

Overcoming Thickness–Durability Trade‐Off in PEM Fuel Cells via Stretched PTFE Nanofiber‐Reinforced Composite Membranes

open access: yesAdvanced Energy Materials, EarlyView.
By combining emulsification electrospinning with a precision thermomechanical biaxial stretching process, ultrathin 3‐fold stretched polytetrafluoroethylene nanofiber (3‐sPTFE NF) reinforcements are developed that enable the fabrication of highly durable and high‐performing reinforced composite membranes (RCMs).
Ji Hyun Lee   +11 more
wiley   +1 more source

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