velocity filter
[vəˈlɒsɪti ˈfɪltər]
nounpl: velocity filters
filtro de velocidade
1. A device or mechanism that selects particles or objects based on their velocity, allowing only those within a specific velocity range to pass through while blocking others
The velocity filter in the mass spectrometer separates ions according to their speed.
O filtro de velocidade no espectrômetro de massa separa íons de acordo com sua velocidade.
2. In physics, particularly in particle acceleration experiments, an apparatus using crossed electric and magnetic fields to permit passage of only particles with a specific velocity
Researchers used a velocity filter to isolate particles moving at exactly 1 million meters per second.
Os pesquisadores usaram um filtro de velocidade para isolar partículas movendo-se a exatamente 1 milhão de metros por segundo.
This is a specialized scientific term primarily used in physics, chemistry, and engineering education and research. It is rarely used in everyday conversation in Brazil or the United States. The term is universal in academic and scientific contexts across both Portuguese and English-speaking countries.
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