The literature review indicates that while the. effect of orifice geometry on the injector flow and spray processes has been examined to. some extent, its influence on engine combustion and emissions is not well established (Som, 2010b, 2011). To the best of our knowledge, the influence of nozzle geometry on spray and.
Vertigo Symptoms and Signs. Vertigo is a feeling that you are dizzily turning around or that your surroundings are dizzily turning about you. Vertigo is usually due to a problem with the inner ear but can also be caused by vision problems and other conditions.Vertigo is medically distinct from dizziness, lightheadedness, and unsteadiness in that vertigo involves the sensation of movement.ertigo is a feeling that you are dizzily turning around or that your surroundings are dizzily turning about you. Vertigo is usually due to a problem with the inner ear but can also be caused by vision problems and other conditions.
Vertigo is a unique symptom related to specific diseases of the nervous system (central nervous system: pathologic vertigo) or a mismatch in the body's normal systems of balance and position (peripheral nervous system: physiologic or positional vertigo).