��(j��)��ԭ�팦��ձ��M�з��

��r�g��2009-09-17 09:43 ��Դ��Ї�Һ��Cе�W(w��ng) ��: ��x��5072

��ձõĹ��ԭ��,��ձû��Ͽ��Է֞�ɷN��,��w��ݔ�ú͚��w��á��S��Ց�(y��ng)�ü��g(sh��)��a(ch��n)�ͿƌW(xu��)�о��I(l��ng)��Ќ��䑪(y��ng)�É��Ҫ��Խ��Խ��,��Ҫ�Ɏ׷N��ձýM��ճ��ϵ�y(t��ng)��ͬ��ܝM��a(ch��n)�ͿƌW(xu��)�о��^�̵�Ҫ��,��x�ò�ͬ��ձýM�ɵ��ճ��C�M�M�г��r�^�ࡣ��˷��Ҋ,��@Щ�ð��乤��ԭ��Y(ji��)��(g��u)��c�M��һЩ��w��Ԕ��ķ��Ǳ�Ҫ�ġ,��F(xi��n)��£�

һ,��w��ݔ��

��w��ݔ��һ�N��ʹ��w��ų��_��Ŀ�ĵ��ձ�,��@�N�û��ЃɷN��ͣ�

1,��׃?n��i)��ձ?/p>

׃?n��i)��ձ��ñ�ǻ�ݷe��׃��Ś��^�̵�һ�N��ձá��w��ų�ǰ��s,��@�N�÷֞��(f��)ʽ��D(zhu��n)ʽ�ɷN��

��(f��)��ձã��ñ�ǻ��(n��i)��(f��)�\��,��w��롢��s��ų�,��,��ַQ��ʽ��ձá�

��D(zhu��n)��ձã��ñ�ǻ��(n��i)��D(zhu��n)�\��,��w��,��s��ų��D(zhu��n)��ձ��׷N��ʽ��

��ͷ�ʽ��ձã��ܷ��\�Ӳ��֮�g��g϶,��p��к��g��һ�N��D(zhu��n)׃?n��i)��ձ�,��@�N��ͨ��К��(zh��n)�b�ã��ַQ��(zh��n)ʽ��ձ�,��Y(ji��)��(g��u)��c�֞��N��ʽ,��

a)��Ƭʽ��ձã��D(zhu��n)��һ��ƫ�ľ��b�ڱÚ��(n��i)��c�Ú��(n��i)��Ĺ̶��濿��D(zhu��n)�Ӳۃ�(n��i)�b�Ѓɂ�(��ɂ��)��Ƭ,��D(zhu��n)��D(zhu��n)�r��Ƭ��䏽��(f��)��c�Ú��(n��i)��ʼ�K��|,��Ƭ�S�D(zhu��n)��һ��D(zhu��n)��Ɍ��ǻ�ֳɎׂ��׃?n��i)ݷe,��

b)��yʽ��ձã��ƫ��D(zhu��n)��ⲿ�b��һ��y,��D(zhu��n)��D(zhu��n)��ӻ��y�رÚ��(n��i)�ڻ��Ӻ͝L�ӣ��y�ϲ��Ļ��y�U��ڿɔ[�ӵĻ��y��(d��o)܉�л��,��ѱ�ǻ�ֳɃɂ��׃?n��i)ݷe,��

c)��Ƭʽ��ձã��ڱÚ��(n��i)�b��һ��c�Ã�(n��i)��濿��ƫ��D(zhu��n)�ӣ��Ú��b��һ��ʼ�K�c�D(zhu��n)�ӱ��|�ď��Ƭ,��D(zhu��n)��D(zhu��n)�r,��Ƭ��ϡ��»��ӌ��ǻ�ֳɃɂ��׃?n��i)ݷe,��

d)��[��ʽ��ձã��ڱ�ǻ��(n��i)ƫ��b��һ��;��[��D(zhu��n)��,��ر�ǻ��(n��i)��D(zhu��n)�Ӳ��ǻ�ֳɃɂ��׃?n��i)ݷe��

e)��Ƭʽ��ձã��һ��Ú��(n��i)��(li��n)�b��ͬһ��늄әC�(q��)�ӵĶ��ҵ��Ƭ��ձ�,��

�ڸ�ʽ��ձã��һ�N��(��Һ�w)�ܷ��׃?n��i)��ձá?/p>

��Һ�h(hu��n)ʽ��ձã��ж��~Ƭ��D(zhu��n)��ƫ��b�ڱÚ��(n��i),��D(zhu��n)�r��Һ�w(ͨ��ˮ��)��Ú��γɱÚ�ͬ�ĵ�Һ�h(hu��n),��Һ�h(hu��n)ͬ�D(zhu��n)��~Ƭ�γ��ݷe��׃��Ďׂ�С�ݷe,��Q��D(zhu��n)׃?n��i)��ձá?/p>

��_��ձã��Ã�(n��i)�b�Ѓɂ��෴��ͬ��D(zhu��n)��p�~�λ��~�ε��D(zhu��n)��,��D(zhu��n)��g��D(zhu��n)��ͬ�Ú��(n��i)��֮�g��һ��g϶,��D(zhu��n)׃��ձ�,��Cе��ü��@�N��ʽ��ձá�

2,��ݔ��

�@�N��D(zhu��n)��~Ƭ��,��ф��ݔ�o��w��w��ӣ�ʹ��w�B�m(x��)��؏ıõ��ڂ�ݔ?sh��)��,��w�ɷ֞��׷N��,��

�ŷ��ձã��ø��D(zhu��n)��D(zhu��n)�Ӱ��ݔ�o��w��ӣ�ʹ֮��s,��Ś��һ�N��ձá��׷N��ʽ��

�٠��ӱã��w��c��\�ӵ��D(zhu��n)��ײ��@�Ä��,��͵��,��ˣ��һ�N��ݔ��,��

�ڜu݆��ӱã��Ã�(n��i)�b�Ў��۵ĈA�P��~Ƭ��D(zhu��n)��,��ڶ��ӈA�P(��Ƭ)�g��D(zhu��n)��D(zhu��n)�ӈA�ܵľ��ٶȺܸ�,��@�N��ͨ��ڷ��B(t��i)�¹��,��

�ۏ�(f��)�Ϸ��ӱã��ɜu݆ʽ�͠��ʽ�ɷN��ӱô�(li��n)�M��һ�N��(f��)��ʽ��ձá�

(2)��ձã��(Venturi)Ч��(y��ng)�ĉ��a(ch��n)��ĸ��њ��wݔ�͵��ڵ�һ�N��ݔ��,��m��ճ��^��B(t��i)�¹��,��@�N��ֿ�Ԕ��طֳ��׷N��

��Һ�w��ձã��Һ�w(ͨ��ˮ)�鹤��|(zh��)�ć��ձá�

�ښ��w��ձã��Էǿ��Ԛ��w��鹤��|(zh��)�ć��ձ�,��

��⇊��ձã��(ˮ,��ͻ򹯵��)��鹤��|(zh��)�ć��ձá�(3)�Uɢ�ã��Ե͉��(�ͻ򹯵��)��鹤��|(zh��)�ć��ձ�,��w��ӔUɢ��,��͵��ڡ��К��w��ܶ�ʼ�K�Ǻܵ͵�,��@�N��m��ڷ��B(t��i)�¹��,��ɷ֞飺

��ԃ��Uɢ�ã��Һ��ד]�l(f��)��s�|(zh��)��(j��ng)��T�ęCеݔ�͵��ڶ��ص�偠t�е�һ�N�͔Uɢ��,��

�ڷ��sʽ�Uɢ�ã��@�N�þ��з��s�b��,��ʹ��≺��^�͵Ĺ��Һ��M��չ��ć��죬��≺��^�ߵĹ��Һ��M��չ��ć��,��һ�N�༉�͔Uɢ��,��(4)�Uɢ��ã��һ�N�ДUɢ��ԵĆμ��༉��c��Ї��ձ��ԵĆμ��༉��촮(li��n)�M�ɵ�һ�N��ݔ��,��ü��@�N��ʽ��

(5)�x�ӂ�ݔ�ã��ǌ��x�Ě��w��늴ň��늈��,��ݔ�͵��ڵ�һ�N��ݔ��,��

��w��

�@�N��һ�Nʹ��w��ӱ��Y(ji��)�ڱõă�(n��i)��,��Ķ��pС��(n��i)�Ě��w��Ӕ�(sh��)Ŀ��_��Ŀ�ĵ��ձ�,��׷N��ʽ��

1,��

��Ҫ��д��(��|(zh��))��Á��һ�N��ʽ��ձ�,��

2��℩��

��һ�N��℩�Ի��W(xu��)�Y(ji��)�Ϸ�ʽ��@��w��ձ�,��℩ͨ��ԉK��e��r��Ĥ��ʽ��ڵĽ��ٻ�Ͻ�,��A�ü��@�N��ʽ��

3,��℩�x�ӱ�

��ʹ��x�Ě��wͨ�^늴ň��늈��ϵı��,��_��Ŀ�ġ��׷N��ʽ,��

(1)��l(f��)�x�ӱã��Ã�(n��i)��x�Ě��w��g��B�m(x��)��ʽ��A(��l(f��))��ڱÃ�(n��i)�ڵ��,��Ԍ��F(xi��n)��һ�N��ձá�

(2)�R��x�ӱã��Ã�(n��i)��x�Ě��w��ꎘO�B�m(x��)�R��ɢ��,��Ԍ��F(xi��n)��Ŀ�ĵ�һ�N��ձ�,��

4��͜ر�