{"id":19947,"date":"2020-03-11T01:05:06","date_gmt":"2020-03-11T05:05:06","guid":{"rendered":"https:\/\/sensing.konicaminolta.us\/learning-center\/color-measurement\/color-temperature\/"},"modified":"2020-04-11T14:29:30","modified_gmt":"2020-04-11T18:29:30","slug":"color-temperature","status":"publish","type":"color_measurement","link":"https:\/\/sensing.konicaminolta.us\/br\/learning-center\/color-measurement\/color-temperature\/","title":{"rendered":"Color Temperature"},"content":{"rendered":"

[vc_row row_height_percent=”0″ override_padding=”yes” h_padding=”2″ top_padding=”0″ bottom_padding=”2″ overlay_alpha=”50″ gutter_size=”3″ column_width_percent=”100″ shift_y=”0″ z_index=”0″][vc_column width=”1\/1″][uncode_block id=”10959″ inside_column=”yes”][\/vc_column][\/vc_row][vc_row row_height_percent=”0″ override_padding=”yes” h_padding=”2″ top_padding=”1″ bottom_padding=”1″ overlay_alpha=”50″ gutter_size=”3″ column_width_percent=”100″ shift_y=”0″ z_index=”0″][vc_column column_width_percent=”100″ gutter_size=”2″ overlay_alpha=”50″ shift_x=”0″ shift_y=”0″ shift_y_down=”0″ z_index=”0″ medium_width=”0″ mobile_width=”0″ width=”1\/1″][vc_custom_heading heading_semantic=”h1″ text_size=”h3″ separator=”yes” separator_color=”yes”]Temperatura de Cor[\/vc_custom_heading][\/vc_column][\/vc_row][vc_row unlock_row=”” row_height_percent=”0″ override_padding=”yes” h_padding=”2″ top_padding=”1″ bottom_padding=”2″ overlay_alpha=”50″ gutter_size=”3″ column_width_percent=”100″ shift_y=”0″ z_index=”0″ css=”.vc_custom_1583904524585{padding-top: 20px !important;}”][vc_column column_width_percent=”100″ gutter_size=”3″ overlay_alpha=”50″ shift_x=”0″ shift_y=”0″ shift_y_down=”0″ z_index=”0″ medium_width=”0″ mobile_width=”0″ width=”1\/1″ css=”.vc_custom_1583900873312{padding-bottom: 10px !important;}”][vc_column_text]Quando a temperatura de um objeto aumenta, a emiss\u00e3o de radia\u00e7\u00e3o termal tamb\u00e9m aumenta. Ao mesmo tempo, a cor muda de vermelho, passando pelo laranja at\u00e9 o branco. Um corpo preto \u00e9 um objeto ideal pois ele absorve toda a energia e a emite como energia radiante de tal forma que sua temperatura est\u00e1 diretamente relacionada \u00e0 cor da energia radiante emitida. A temperatura absoluta de um corpo negro tamb\u00e9m \u00e9 conhecida como a temperatura de cor. Essas cores podem ser indicadas no gr\u00e1fico de cromaticidade mostrado na Figura 26.<\/p>\n

A correla\u00e7\u00e3o de temperatura de cor \u00e9 usada para explicar o conceito de que a temperatura de cor \u00e9 parecida, por\u00e9m n\u00e3o igual \u00e0 dos corpos negros. A temperatura de cor \u00e9 calculada pelo posicionamento da fonte de luz na linha de isotemperatura. As linhas de isotemperatura s\u00e3o linhas retas nas quais todas as cores na linha parecem visualmente iguais; a correla\u00e7\u00e3o de temperatura de cor na linha de isotemperatura \u00e9 igual \u00e0 temperatura de cor do corpo negro determinada pela intersec\u00e7\u00e3o das duas linhas.<\/p>\n

Os corpos negros, as linhas de isotemperatura e as linhas que indicam os valores iguais de \u0394uv dos corpos negros s\u00e3o ilustrados na Figura 27. Por exemplo, a fonte luz que tem uma diferen\u00e7a de cor de 0,01 na dire\u00e7\u00e3o do verde (\u0394Euv) de um corpo negro que tem temperatura de cor de 7000k \u00e9 mostrada como tendo uma correla\u00e7\u00e3o de temperatura de cor de 7000K+0,01 (unidade uv)<\/p>\n

Notas<\/strong>
\nVer na se\u00e7\u00e3o IV “Termos de cor utilizados” a explica\u00e7\u00e3o de (\u0394Euv). “K” \u00e9 a abrevia\u00e7\u00e3o de Kelvin. Kelvin \u00e9 uma escala de temperatura absoluta.<\/p>\n

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