��Ⱦ��O(ji��n)�y(c��)��

��r(sh��)�g��2008-06-30 11:04 ��(l��i)Դ�� : ��x��2702

GB14761—1999��܇�ŷ��Ⱦ��ֵ��y(c��)ԇ��Ҏ(gu��)��,��p��С��܇(��܇)β��ŷűO(ji��n)�y(c��)��(d��ng)��Ś��Ⱦ��ŷ�ԇ�(y��n),��ٕr(sh��)һ��̼�ŷ�ԇ�(y��n)��GB/T3845—1993Ҏ(gu��)��܇�ڵ��ٹ��r��Ś��һ��̼��CO��,��̼?x��)仯��HC��ȵĜy(c��)��,��

(1)��(d��ng)��Ś��Ⱦ��ŷ�ԇ�(y��n)

�ٱO(ji��n)�y(c��)ԭ��

��y(c��)��܇�ڌ�(sh��)�(y��n)�_(t��i)��ϰ�Ҏ(gu��)��\(y��n)�D(zhu��n)ѭ�h(hu��n)��١��Q��,��,��١��p�٣��M(j��n)��ģ�M�\(y��n)��,��(du��)��܇�ŷŚ��w�M(j��n)��ȡ��,��y(c��)��ó��܇ģ�M�\(y��n)��^(gu��)��ŷŚ��w��Ⱦ�CO,��HC,��NOx��ŷ��|(zh��)��g/km��

�ڲɘ�

�Ś�ȡ��ϵ�y(t��ng)��ö��ȡ��ϵ�y(t��ng)��CVS��,��ԓϵ�y(t��ng)��y(c��)��܇�v�Ś��е��挍(sh��)�ŷ��|(zh��)��O(sh��)Ӌ(j��)��,��ȡ��ϵ�y(t��ng)��CVS��D6-43��
��ȡ��ϵ�y(t��ng)��CVS��Ĺ��ԭ��܇�Ś��ų��ďU��ڻ��2�б��՚�ϡ�,��ϡጿ՚��ɹ��L(f��ng)�C(j��)8��M(j��n)��2,��ϡጵďU��M(j��n)�Ŀ՚��ɜy(c��)��7�y(c��)��󲿷֏U��c�՚�Ļ��ﱻ�ų�ȡ��,��ɜy(c��)��7�y(c��)��ų��w��w�e,��H��һС��ֻ��ﱻ�ռ��6��1��С�

�ۜy(c��)��

��(du��)�ռ��6��1��е�ÿ�N��w(CO,��HC��NOx)�ĝ��÷��x��M(j��n)�Мy(c��)��,��Ú��w��ܶȺ͹��L(f��ng)�C(j��)�ų��w��w�e��6��1��ÿ�N��w�ĝ�ȣ��ó�ÿ�N��w��|(zh��)��,��ͬ�r(sh��)��(du��)�ռ��4��2��(n��i)�h(hu��n)��՚��M(j��n)�Мy(c��)��,��õ��h(hu��n)��՚��CO��HC,��NOx�ĺ��,��1��CO��HC,��NOx�ĺ��pȥ��2��CO,��HC��NOx�ĺ��հף�,��԰�ԇ�(y��n)Ҏ(gu��)��r��(y��ng)��xd,��Ϳ�Ӌ(j��)��N��y(c��)�ɷֵ��ŷ��|(zh��)��(g��km),��

��Ӌ(j��)��

��y(c��)�ɷ��ŷ��|(zh��)��Ӌ(j��)��ʽ��£�

ʽ�У� Mi——��Ⱦ��i��ŷ��|(zh��)��g/km,��

Vmix——ϡ��Ś��ݷe��L/��(sh��)�(y��n)��У��(bi��o)��(zh��n)��B(t��i)273K��101.3kPa��,��

Qi——�ژ�(bi��o)��(zh��n)�ضȺ͉��273K��101.3kPa��,��Ⱦ��i��ܶȣ�g/L,��

kH——��Ӌ(j��)�㵪��ŷ��|(zh��)��ĝ��У��ϵ��(sh��),��(du��)��HC��CO�](m��i)�Н��У��

Ci——ϡ��Ś��Ⱦ��i�ĝ��,��ϡጿ՚��Ⱦ��i�ĺ��M(j��n)�пհ�У��Ժ�Ĕ�(sh��)ֵ,��ppm��

�ݷ��O(sh��)��

һ��̼��CO��Ͷ��̼��CO2��——��ɫɢ�ͼt��xNDIR,��

̼?x��)仯��HC��——��x��ͷ��xFID,��

��NOx��——��W(xu��)�l(f��)��xCLD��ɫɢ��⾀�C��ՃxNDUVR��߾��莧��NOx-NO�D(zhu��n)�Q��,��

(2)��ٕr(sh��)һ��̼��CO��,��̼?x��)仯��HC��ȵĜy(c��)��

�ٜy(c��)��?j��)x��ɫɢ�ͼt�⾀CO��HC��w�y(c��)��?j��)x��y(c��)��?j��)x�ɏU��ȡ��b��,��U��b��,��ָʾ�b�á�У��(zh��n)�b�ýM��,��y(c��)��?j��)x��ֱ��@ʾ�y(c��)��Y(ji��)��,��

�ڜy(c��)��E��l(f��)��(d��ng)�C(j��)�ɵ��ٹ��r��е��D(zhu��n)�٣��S��60s��٠�B(t��i),��ȡ��̽�^��Ś��,��ȵ��400mm��̶��Ś��,��l(f��)��(d��ng)�C(j��)�ڵ��٠�B(t��i)�¾S��15s��_(k��i)ʼ�x��(sh��),��xȡ30s��(n��i)��ֵ��ֵ��ƽ��ֵ��y(c��)��Y(ji��)��,��Ś�ܕr(sh��),��(y��ng)ȡ��Ś�ܜy(c��)��Y(ji��)��g(sh��)ƽ��ֵ��

����D(zhu��n)�d��ǳ��ڂ��f��Ϣ֮Ŀ��,��Ё�(l��i)Դ��(bi��o)ע�e(cu��)�`��ַ��ĺϷ��(qu��n)��,��Ո(q��ng)��߳֙�(qu��n)��C��c��W(w��ng)(li��n)ϵ��҂��r(sh��)��,��h��,��x�x,��