Qualitative and quantitative schlieren optical measurement of the human thermal plume.
Indoor Air
; 30(4): 757-766, 2020 07.
Article
en En
| MEDLINE
| ID: mdl-32302432
A new large-field, high-sensitivity, single-mirror coincident schlieren optical instrument has been installed at the Bauhaus-Universität Weimar for the purpose of indoor air research. Its performance is assessed by the non-intrusive measurement of the thermal plume of a heated manikin. The schlieren system produces excellent qualitative images of the manikin's thermal plume and also quantitative data, especially schlieren velocimetry of the plume's velocity field that is derived from the digital cross-correlation analysis of a large time sequence of schlieren images. The quantitative results are compared with thermistor and hot-wire anemometer data obtained at discrete points in the plume. Good agreement is obtained, once the differences between path-averaged schlieren data and planar anemometry data are reconciled.
Palabras clave
Texto completo:
1
Colección:
01-internacional
Base de datos:
MEDLINE
Asunto principal:
Temperatura
/
Calor
/
Maniquíes
Tipo de estudio:
Qualitative_research
Límite:
Humans
Idioma:
En
Revista:
Indoor Air
Asunto de la revista:
SAUDE AMBIENTAL
Año:
2020
Tipo del documento:
Article
País de afiliación:
Alemania
Pais de publicación:
Reino Unido