è¿ä¸ªé®é¢è·ç
¤ççç§å¼ï¼ä¸åçç
¤çç§å¼ä¸ä¸æ ·ï¼ãé
çççæçï¼ä¸åçé
çæçä¹ä¸ä¼ä¸æ ·ï¼æå
³ã
æ®éçæ åç
¤çç§å¼å¤§çº¦33400KJ/Kgï¼1kg15度çæ°´å çå°100度éè¦ççé(100-15)*4.31KJ=366KJ.
å设é
çççæç为20%ï¼åæ¯å¨ç
¤è½å°æ°´å ççé为33400*20%/366=18.25tæ°´.
å¦æç
¤ççç§å¼å7200å¡/gï¼å®é
ä¸å°±æ¯7200Ã4.31=31032KJ/kg,ååé
ççæç为30%ï¼åï¼
æ¯å¨ç
¤è½å°æ°´å ççé为31032*30%/366=25å¨æ°´.
æ¯å¨æ°´å çå°100度ï¼éè¦çç
¤ä¸º366*1000/31032/1000/0.3=0.039å¨ç
¤
温馨提示:答案为网友推荐,仅供参考