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The engine pressure ratio (EPR) is the total pressure ratio across a jet engine, measured as the ratio of the total pressure at the exit of the propelling nozzle divided by the total pressure at the entry to the compressor. [1] Jet engines use either EPR or compressor/fan RPM as an indicator of thrust. [2]
Aviation psychology, also known as aerospace psychology, is a branch of psychology that studies psychological aspects of aviation, increasing efficiency improving selection of applicants for occupations, identification of psychological causes of aircraft accidents, and application of cognitive psychology to understand human behaviors, actions, cognitive and emotional processes in aviation, and ...
Electron paramagnetic resonance (EPR) or electron spin resonance (ESR) spectroscopy is a method for studying materials that have unpaired electrons. The basic concepts of EPR are analogous to those of nuclear magnetic resonance (NMR), but the spins excited are those of the electrons instead of the atomic nuclei. EPR spectroscopy is particularly ...
The International Journal of Aerospace Psychology (formerly The International Journal of Aviation Psychology until 2017) is a quarterly peer-reviewed academic journal covering research on the "development and management of safe, effective aviation systems from the standpoint of the human operators."
is the drag force, which is by definition the force component in the direction of the flow velocity, is the mass density of the fluid, [61] is the flow velocity relative to the object, is the reference area, and
Cross-sectional research is a research method often used in developmental psychology, but also utilized in many other areas including social science and education. This type of study utilizes different groups of people who differ in the variable of interest, but share other characteristics such as socioeconomic status, educational background ...
But EPR had to cut its dividend during the pandemic. The big culprit was its movie theater exposure, as movie chains weren't in a particularly strong state entering the global health crisis. Given ...
Applied psychology - The use of psychological principles to overcome problems in other domains. It has been argued that engineering psychology is separate from applied (cognitive) psychology because advances in cognitive psychology have infrequently informed engineering psychology research.