¡¾´ð°¸¡¿
·ÖÎö£º£¨1£©·çÁ¦·¢µç°Ñ·çÄÜת»¯ÎªµçÄÜ£»¸ù¾ÝÿÌì·¢µÄµçÄÜÓëúµÄÈÈÖµ¿ÉÒÔÇó³ö½ÚԼúµÄÖÊÁ¿£®
£¨2£©²âµç±ÊÓë»ðÏß½Ó´¥Ê±£¬Äʹܷ¢¹â£»Èç¹û¼ÒÍ¥µç··¢Éú¶Ì·£¬±£ÏÕË¿»áÈ۶ϣ®
£¨3£©µçÄܱí×îºóһλʾÊýÊÇСÊý룬ÓɵçÄܱí±íÅÌ¿ÉÒÔ¶Á³öµçÄܱíʾÊý£¬È»ºóÇó³öÐèÒª½ÉÄɵĵç·Ñ£»
ÓɵçÄܱí±íÅÌÕÒ³öµçÄܱíÕý³£¹¤×÷ʱµÄµçѹ¡¢µçÄܱíÔÊÐíͨ¹ýµÄ×î´óµçÁ÷£¬
Óɵ繦¹«Ê½Çó³ö1minÄÚµçÄܱíÔÊÐíÏûºÄµÄ×î´óµç¹¦£¬×îºóÇó³öµçÄܱí±íÅÌת¹ýµÄ×î¶àȦÊý£®
£¨4£©ÏÈÇó³ö½ÚÄܵÆÓë°×³ãµÆµÄ¹¦ÂÊÖ®²î£¬È»ºó¸ù¾Ýµç¹¦¹«Ê½Çó³öÿÔ½ÚÔ¼µÄµçÄÜ£®
½â´ð£º½â£º£¨1£©·çÁ¦·¢µçÕ¾ÊÇ°Ñ·çÄÜת»¯ÎªµçÄÜ£»
úÍêȫȼÉշųöµÄÈÈÁ¿Q=W=3.6×10
11J£¬
úµÄÈÈÖµq=3×10
7J/kg£¬
¡ßQ=mq£¬
¡àÿÌì¿ÉÒÔ½ÚԼúµÄÖÊÁ¿
m=
=
=1.2×10
4kg=12t£®
£¨2£©ÔÚÕýȷʹÓÃÊÔµç±Ê²âÊÔµÄÇé¿öÏ£¬Ê¹Äʹܷ¢¹âµÄÊÇ»ðÏߣ®
Èç¹û¼ÒÍ¥µç··¢Éú¶Ì·£¬µç·µçÁ÷¹ý´ó£¬»áÉÕ»µ±£ÏÕË¿£®
£¨3£©ÓÉͼʾµçÄܱí¿ÉÖª£¬µçÄܱíʾÊýÊÇ823.0kW?h£¬
Ó¦½ÉÄɵĵç·ÑΪ0.5Ôª/kW?h×823.0kW?h=411.5Ôª£»
ÓÉͼʾµçÄܱí¿ÉÖª£¬µçÄܱíÕý³£¹¤×÷ʱµÄµçѹÊÇ220V£¬
µçÄܱíÔÊÐíµÄ×î´óµçÁ÷ÊÇ10A£¬
1minÄÚµçÄܱíÔÊÐíÏûºÄµÄ×î´óµçÄÜ£º
W=UIt=220V×10A×60s=1.32×10
5J£¬
1minÄÚµçÄܱíתÅÌת¹ýµÄ×î¶àȦÊý£º
n=
=110R£®
£¨4£©Ã¿Ô¿ɽÚÔ¼µÄµçÄÜ
W=£¨P
°×³ãµÆ-P
½ÚÄܵƣ©t=£¨0.06kW-0.011kW£©×4h×30=5.88kW?h£®
¹Ê´ð°¸Îª£º£¨1£©·ç£»12£»£¨2£©»ð£»µç··¢Éú¶Ì·£»£¨3£©411.5£»110£»£¨4£©5.88£®
µãÆÀ£º±¾Ì⿼²éÁË·çÁ¦·¢µç¹ý³ÌÖÐÄÜÁ¿µÄת»¯¡¢²âµç±ÊµÄʹÓᢵ緵çÁ÷¹ý´óµÄÔÒò¡¢µçÄܱí¶ÁÊý¡¢Çó½ÚÄܵƽÚÔ¼µÄµçÄܵÈÎÊÌ⣬É漰֪ʶµãºÜ¶à£¬ÊÇÒ»µÀ×ÛºÏÌ⣬µ«ÄѶȲ»ÊǺܴó£¬ÊìÁ·ÕÆÎÕ»ù´¡ÖªÊ¶¼´¿ÉÕýÈ·½âÌ⣮