�r��ˮ�o��༉��ͺ��B(t��i)̎��ϵ�y(t��ng)

��r�g��2011-01-21 18:04 ��Դ�� : ��x��3188

�r��ˮ�o��༉��ͺ��B(t��i)̎��ϵ�y(t��ng)��g�m��ڷ�ɢ��N��,��ϴ��,��ϴ��ȵ͝��r��ˮ��̎��m��е؄ݲ�ķ�ɢ��2��5��r��ˮ̎��,��üɽ��h��(zh��n)�_��弰��Ů��ʹ��ԓ��g,��

����G.lettinga��ڔ��ԣ��̎��＼�g��m�ϵĺ�̎��,��Գɞ��ɢ��ˮ̎��ģʽ�ĺ��ֶ�,��@һģʽ�Ȃ��y(t��ng)�ļ��̎��пɳ��m(x��)�Ժ��m�ϰl(f��)չ�Ї��ҵ��r,��

1.��ԭ��

ᘌ��҇��ǰ�Y��ȱ,��Դ��c��Ⱦ��صĬF���̎��g��؄e�m��҇��һ헼��g,��Ϊ��ą��,��׵ȠI�B(y��ng)Ԫ�ػ��ϛ]��ȥ��ˮ�еĵ�,��ו�ʹˮ�w��I�B(y��ng)��,��ͬ�r�Ϊ��ą��̎��Ҳ��ܺܺõ�ȥ��,��ˮͨ��r�²��_��ҵ��ŷŘ˜ʡ��,��Ϊ��ą��̎��߀ֻ��һ�N�A̎��,��x��m�ĺ��m(x��)̎��Ԫ��

��,��ᘌ��ˮ��̎��,��γ�һ�׳��ą��̎��c��B(t��i)��Y�ϵ�̎��Q�o��༉��ͺ��B(t��i)̎��ϵ�y(t��ng),��

ԓϵ�y(t��ng)��Ҫ��2��3��غ�1��ȱ��e�^��ɰ�[ʯ,��Ȟ��|�ďͺ��B(t��i)��M�ɣ��и��֮�g��ܵ��Bͨ,��ˮ�ڳ؃�ͣ��ĕr�g��5��7��,��ˮ��^��̎��ˮ�БҸ��Գ��,��y��ЙC��Ⱦ�ﱻ��΢��D��С��ЙC��,��ͺ��B(t��i)��ɷNֲˮ��

�ͺ��B(t��i)��^�V��,��ЙC��Ĵ��w߀�܉��̎��Ч��,��һ��ֲ��L��׃��B(t��i)��B(t��i)��L��ֲ��ϵ��o�U��ˮ��K��ھ��ˮ,��Lˮ��ͣ��r�g,��ֲ��ĸ�ϵ��(chu��ng)��ڸ��N΢��L��΢�h(hu��n)��ֲ��o��ֲ��ϵ��γ��õĺ��΢�^(q��),��ͬ�r��h�x��ϵ�ą��^(q��)�ﺬ�д��õ�̼Դ,��@��ṩ�˷��l��ֲ��L��N�I�B(y��ng)��}��,��

��ˮ��“��”̎��,��m(x��)“��”̎��Ԫ��ؓ��^С��@�ӿ��Թ�(ji��)ʡ��B(t��i)��ռ��e,��ˮ�еđҸ��｛��̎��,��󲿷��ܱ��Ч��ȥ��@��Ҳ��Է�ֹ��B(t��i)��,��,��@�N�M�ϲ��Ч��ȥ��ЙC�߀��Ч��QĿǰ��ˮ̎��y��ĵ�,��׽��_�˵��y�},��

2.��g��

�o��༉��ͺ��B(t��i)̎��ϵ�y(t��ng)��ˇ��£�

��ˮ��ˮ�ռ�ϵ�y(t��ng)��ܵ��3��l(f��)��̎�� - �ͺ��B(t��i)��

��ˇ�f��£�

��1��ˮ�ռ�ϵ�y(t��ng)

ԓϵ�y(t��ng)̎�팦��һ��N��ϴԡ��a��ˮ��ˮ��c��ˮ�ܵ�֮�g��ð��B�ӣ��뾮��̎�Oһ��ȥ��^��w��,��

��2��̎��Ʌ��l(f��)�ͳغ͏ͺ��B(t��i)ϵ�y(t��ng)��M��,��γ�һ�w��Y��

��l(f��)�ͳ��3��M�ɡ��l(f��)�͵ĵ�1��Ҫ��Á��{��(ji��)ˮ��,��ͬ�r��ĳ�N�̶��Ҳ��о��ˮ�|�ͳ��,��2��3��ˮ��ЙC��M��Ч��,��ڏͺ��B(t��i)��̎��,��

̎��ؿ��ݷe��Ӌ�㣺V=Q*T

ʽ�� V-��OӋ�ݷe��m ��
      Q-�AӋ��̎��ˮ��m /h��
      T-��ˮ��ͣ��r�g��h��
      Tһ��ȡ��6��7�죬V��Ŀǰ��r��ʾ��ɹ��ĳ��3 m ��4.5m ,��

��3��ͺ��B(t��i)��Y��

�ͺ��B(t��i)��̎��ϵ�y(t��ng)�е��Ҫ��,��һ��ɂ��B�V�ؽM�϶��ɵľ��εĴu�Y���؃��b��ɳ�[��˹��Ȼ��|,��

��4��ɳ�[��˹��ĽM�ɺͺ��

��ɳ�[��ɲ�ͬ��ɳ�[�M��,��һ��֞�3��4�ӣ�ɳ�[��ö��,��ȱ��e��ğo�C��|,��

��˹��x�� д��ڷN��࣬��ĸ��N��,��,��ž��,��,��ԭ��ȣ��ǾS��,��B(t��i)ϵ�y(t��ng)��|��D��ȱ�ٵĽM�ɲ��,��B(t��i)ϵ�y(t��ng)��|��ѭ�h(hu��n)�ķֽ��ߺ��D��ߡ��,��˹��x��ɳ,��߷��ĸ��|��Ͳ�̿��ԭ�ϡ��˹��ĺ��һ��10��20cm,��

3.��g��c

ԓ̎��ϵ�y(t��ng)��ˇ��̺��,��ˮˮ�|�ã��_��,��o��˹��ؚ�,��ϔ��ȴ�ʩ,��Ҳ�Ͳ��ڴ��͵�̎��Cе�͏��s�Ĳ��ϵ�y(t��ng),��\�й��O�麆�Σ��Ҫ��Ӗ��صĲ��ˆT,��ǳ��m��Ŀǰ�҇��r��Ҫ��,��Ч,��(ji��)�ܡ��g��M�ɿ��ˮ̎��ˇ�ͼ��g,��

����D�d��ǳ��ڂ��f��Ϣ֮Ŀ��,��Ё�Դ��ע�e�`��ַ��ĺϷ��棬Ո��߳֙��C��c��Wϵ,��҂��r��,��h��x�x,��