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第1211章 油和油的区别(2 / 2)

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孟然点了点头,回答道:“回禀老师,我们之前的确是做过测试,分别点燃菜油、猪油还有汽油,都是火星一触即燃,并未发现有什么太大的区别。”

在他们看来,同样是油,同样是一点就着,那用来做燃料一定是没有什么太大区别的吧,他们何必费力去提取汽油呢?

嬴子锋环顾众人,目光最后落在孟然的身后,问道:“除了简单的燃烧之外,你们是否还做过其他的研究?”

孟然摇头,接着有些迟疑的问道:“它们作为燃料不就是用来燃烧的吗?”

嬴子锋看到孟然似乎有些不太理解自己为什么会这样问,便笑着说道:“燃料的确是用来燃烧的,但是也是要分场合分情况的。”

说话间他伸手指向天上那明晃晃的太阳,说道:“在正常的天气下食用油和可以和汽油一样一点就燃,那么在寒冷的天气下呢?你们见过冬天的食用油吗?它们在冬天是什么样子的?”

众人听到嬴子锋这一番话都是不由自主的开始回忆起来,在他们的印象当中不论是什么油,在冬天的时候大多都是凝固的状态,需要加热之后才能变成液态,然后用来炒菜。

想到这一点,孟然似乎明白了嬴子锋的意思,问道:“老师的意思是说在冬日里汽油并不会像是食用油一样凝固?”

嬴子锋点了点头,回答道:“没错,汽油的凝固点更低,即便是在寒冷的冬日里也不会凝固,依旧是流畅的液态。”

接着嬴子锋又说道:“你们可以想象一下,如果我们将食用油加入内燃机当中,当我们要在冬日使用内燃机的时候难道还要先从外部将内燃机加热,等食用油化开之后再启动机器吗?”

众人听到嬴子锋举的例子,想象了一下给内燃机烤火加热的景象,似乎多少是有些尴尬的。

孟然脸色羞红,行礼道:“学生受教了。”

其他人也跟着行礼,纷纷道:“学生受教了。”

之前他们光顾着研究食用油和汽油燃烧的事情,完全没有考虑过天气因素,这的确是有些太粗心了。

嬴子锋看着孟然,继续说道:“食用油和汽油的区别还远不止凝固点,食用油之所以只能用来吃,不能用来当做内燃机的燃料还有很多其他的原因,这些我暂且不说,就当做是一个课题留给你们去认真研究,希望你们可以认真对待。”

大一新生们听到嬴子锋如此说立刻再次行礼,答应道:“诺!”

接着嬴子锋转头将目光看向吴斌一众研究生,说道:“现在汽油已经有了,剩下的事情就看你们的了。”

吴斌一众研究生听到嬴子锋这一番话立刻行礼道:“学生定不负老师所托!”

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