Radiación ultravioleta C aplicada a la desinfección de ambulancias
; Ferreyra, Martin Guido ; Cudmani, Daniela ; Costa, Dardo ; Concha de Nobrega, Ricardo Marcelo Antonio
; Gómez Marigliano, Ana Clelia
; Gor, Sergio Ricardo
; Assaf, Leonardo ; Tonello, Graciela Lucia del Carmen
; Raitelli, Mario Roberto ; Cabrera, Miguel Angel Otros responsables
Fecha
2020
Editorial
Universidad Nacional de Colombia
Revista
Título del libro
Nombre del evento
XV Congreso Iberoamericano de Iluminación Bogotá
Fecha del evento
2020-10-06
Institución organizadora
Universidad Nacional de Colombia
ISSN
eISSN
ISBN
978-958-49-0271-9
Idioma
Español
Tipo del evento
Congreso
Clasificación temática
Palabras clave
Resumen
Ante la posibilidad de la contaminación de las superficies y el aire en el interior de ambulancias por virus como el SARS-CoV-2 se emplean para la desinfección generalmente químicos. El proceso puede ser complementado con radiación ultravioleta C (UVC). Para ello se estudiaron las tecnologías disponibles y se realizaron mediciones de irradiancia espectral UVC. Se estudiaron las dosis necesarias para la inactivación de virus y la forma más efectiva de irradiar las superficies. Distintas configuraciones en ambulancias y materiales empleados fueron analizados y estudiadas sus propiedades de reflectancia y transmitancia espectral en el UVC. Con dicha información y un modelo en 3D se renderizaron imágenes del interior de la ambulancia irradiadas con un prototipo de UVC desarrollado. Los resultados simulados se compararon con pruebas reales para distintas dosis y test bacteriológicos simultáneos, con lo cual se efectuaron posteriores ajustes en los tiempos de exposición necesarios y se propone un sistema de irradiación preliminar más efectivo.
Surfaces and air inside ambulances can be contaminated by viruses such as SARS-CoV-2. Chemicals are generally used for disinfection. The process can be complemented with ultraviolet C radiation (UVC). For this, the available technologies were studied and UVC spectral irradiance measurements were carried out. The doses required for virus inactivation and the most effective way to irradiate surfaces were stud-d. Different configurations in ambulances and materials used were analysed and studied their spectral reflectance and transmittance properties in UVC. With that information, a 3D interior ambulance model was built to render images with a program of the irradiance UVC distribution of a prototype. The simulated results were compared with real tests carried out under different irradiations doses and bacteriological examinations. Finally adjustments were made in the irradiation exposure times to achieve a more effective system based in the prototype.
Surfaces and air inside ambulances can be contaminated by viruses such as SARS-CoV-2. Chemicals are generally used for disinfection. The process can be complemented with ultraviolet C radiation (UVC). For this, the available technologies were studied and UVC spectral irradiance measurements were carried out. The doses required for virus inactivation and the most effective way to irradiate surfaces were stud-d. Different configurations in ambulances and materials used were analysed and studied their spectral reflectance and transmittance properties in UVC. With that information, a 3D interior ambulance model was built to render images with a program of the irradiance UVC distribution of a prototype. The simulated results were compared with real tests carried out under different irradiations doses and bacteriological examinations. Finally adjustments were made in the irradiation exposure times to achieve a more effective system based in the prototype.
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