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In both studies, it was found that the void fraction increases upstream of the spacer grid, decreases rapidly at the inlet of the spacer, then increases to certain values, decreases rapidly again at the exit and then increases to some uniform values. Paranjape et al. [78] performed void ...
Results show the rock salt undergoes volume expansion at the beginning of unloading due to the reduction of elastic compression strain. The volume strain expands rapidly beyond a threshold, i.e. accelerated strain point. The stresses at failure point and accelerated strain point show that a low ...
it was recognized that a third of marine carriers do not transport class 7 cargo. Those carriers who accepted such cargo would either carry the cargo to their own States or require an indemnity from the State concerned. The meeting also noted that although there...
we aim to provide an up-to-date overview of the rapidly evolving field of ZABs issues such as Zn anode stabilization, oxygen electrocatalysts design, relevant reaction mechanisms, interface design of air cathodes, and electrolyte/electrode interfacial behaviors. Additionally, we provide a brief correl...
An elastic member(18) compressed by the pressure of the vacuum chamber(11) is rebound to cause a piston(17) to be rapidly dropped along a guide hole(12). The vacuum chamber(11) is designed to be cracked regardless of the collision direction. Then, a movable contact(16) on a bottom ...
This is the so-called Joule-Thomson effect.In summary, the conversation revolves around understanding the physics behind a cooling machine that works by compressing air, cooling the compressed air, and then rapidly expanding it. Some colleagues believe that the temperature only drops when the ...
Additionally, in the known fuze, there is stored energy (a compressed spring) that tends to move the arming slider into the armed position once the grenades are de-nested. In an accident or warfare scenario wherein an unlaunched missile containing submunition grenades is ruptured or blasted apa...
Beneficially, the injection of compressed and dehumidified ambient air into the low pressure leg can be used to rapidly increase the energy production of the system. [0052] In some implementations, the system may include a second compressor and a dehumidifier, each coupled to the low pressure ...
“Air Vitiation Effects on Scramjet Combustion Tests,” as part of the final report of the NATO RTO AVT WG-10 Scramjet Subcommittee. 1. OVERVIEW OF THE PHYSICS AND CHEMISTRY OF VITIATION EFFECTS In ground tests, stored high-pressure air must be heated significantly before it is expanded ...