늿؇��LPG�l(f��)�әC(j��)��о��_�l(f��)

��r(sh��)�g��2009-11-09 14:59 ��Դ�� : ��x��2533

��늿؇��,LPG�l(f��)�әC(j��)Ҳ��늿؇��һ��,��ȼ�ȡ��c(di��n)��r(sh��)�C(j��),��ټ��M(j��n)�п��,��o�ԏU��ѭ�h(hu��n)( EGR) ��Ԫ�߻��b��,��ܜp��ŷ�,��ܺ��Y(ji��)��(g��u)ʡȥ��ͻ��b��,߀��ӳ��Ч��,�@��õĄ��Ժͽ�(j��ng)��(j��)�ԡ�

늿؇��LPG �l(f��)�әC(j��)��ʽ�ɷ֞��B(t��i)��Һ�B(t��i)��,��䷽ʽ�ɷ֞��c(di��n)��Ͷ��c(di��n)��,��λ�ÿɷ֞��⇊��͸׃�(n��i)��,��Ʒ�ʽ�ɷ֞��_�h(hu��n)��ƺ��]�h(hu��n)��,��

��b��͇��似�g(sh��)�γɵ�΢��X��LPG ��ϵ�y(t��ng),��Ⱦ�ŷų�NOx �ⶼ��늿؇��,��(j��)Texas A &M ��W(xu��)�Ĉ�(b��o)��,ԇ�(y��n)�әC(j��)��ŷſ��Ե��1996 ��(li��n)��܇�v�ŷŘ�(bi��o)��(zh��n), HC ,CO ��NOx ��ָ��(bi��o)�_(d��)��ӽ��ݴ�Ᵽ�o(h��)�� (CARB) �ƶ��ĘO��ŷŘ�(bi��o)��(zh��n)(ULEV) ��

��LPG�܉��c�՚�ܺû��,ֱ�Ӱ�LPG ��M(j��n)��,�l(f��)�әC(j��)߀��ܺܺõ��\(y��n)��,��߀�ܱ��CLPG��й©,��LPG ��ܶ��S�ض�׃��, ��҉��Խ��,�@�N׃��Խ��@,��LPG �е��Ҫ�ɷֱ��,��260 K��350 K֮�g��0. 1 MPa ��0. 3 MPa ��ėl��,ÿ��10 K��3 %��ϵ��ܶ�׃��,��h��W(xu��)��һ�N��ӿ��ƚ⻯ϵ�y(t��ng),��ʡȥ��,ʹ�l(f��)�әC(j��)�ĽY(ji��)��(g��u)��麆�Ρ�ԓϵ�y(t��ng)��˸��(zh��n)�_�ؿ��LPG��M(j��n)��,�ڿ��M(j��n)��m��(d��ng)�a(b��)��;ϵ�y(t��ng)�Ŀ��D(zhu��n)�ٺ��M(j��n)��^��Ƶ��Ҫ��(sh��),ͬ�r(sh��)��M(j��n)��LPG�Ĝض�,��≺��,��(ji��)��Tλ�ú��sˮ��a(b��)��(sh��),��}��M(j��n)��ϵ�y(t��ng)��]�h(hu��n)��Ʒ�ʽ, 늿؆�Ԫ��(j��)�z�y��Ă��̖,�_��l(f��)�әC(j��)��̎�Ĺ��r,Ȼ��(j��)MAP �D�@�û��}��,��}��Ҫ��;Ȼ��l(f��)��(y��ng)�Ŀ��̖,�(q��)�Ӈ��,�Թ��o�l(f��)�әC(j��)��ѵ�ȼ�χ��,��

R Barry ��һ�_��(j��ng)�^LPG ��Ćθ�170 ��͙C(j��)�M(j��n)��ȼ��,��늿�LPG��w��늿�LPG Һ�w��Č��ԇ�(y��n)��ԇ�(y��n)�К��w�ć��䉺��0. 2MPa ;��˷�ֹҺ�B(t��i)��LPG �⻯,һ��ȼ�ͱÌ�LPG�M(j��n)��,��䉺�� 1. 0 MPa ,��һ��,�ڇ��츽��A��Ϸ��һ��ͨ�냦��,׌Һ�B(t��i)��LPG��һ��[5 ] ,Ҳ׌�⻯��LPG��C��츽��Һ�B(t��i),��_�܌�(sh��)�(y��n)��֪:�ڸ��D(zhu��n)�ٺ͸�ؓ(f��)��,늿�LPGҺ�w��ݔ��Ť�غ͹��ʾ��,�f��Ч�ʸ��ȼ�Ϲ��(y��ng)��;��늿ؚ��w��ݔ��ʱ��͵�,��

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