3508914
This presentation is the property of its rightful owner.
Sponsored Links
1 / 28

热力学第一定律 当量原理 热力学解析式 总能量 内能 PowerPoint PPT Presentation


  • 195 Views
  • Uploaded on
  • Presentation posted in: General

热力学第一定律 当量原理 热力学解析式 总能量 内能. 介绍热力学第一定律 及其应用和总能量、内能的定义. 热力学第一定律解析式的应用. 热力学第一定律的应用. 2/8. 第二章 热力学第一定律. §2—1 热力学第一定律 当量原理. 一、热力学第一定律 能量守恒与转换定律: 一切物质都具有能量,能量有各种不同形式,既不能消灭,也不能创造,但能够从一种形式转化为另一种形式,在转化过程中,能量的总和保持不变,热力学第一定律在热力学中的应用就是能量守恒与转换定律。.

Download Presentation

热力学第一定律 当量原理 热力学解析式 总能量 内能

An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -

Presentation Transcript


2/8


  • 21


  • 1-2-1


  • wQ

  • Q = AW


  • SIW1111KW(KWh)1KWh=10003600=3610J

  • =3600KJ


  • (Kcal)1kgIatm14.5C15.5C(kgm)AlA

  • A1A=427kgmkcal


  • hp75kgm1

  • SI


  • dwdQwdw


  • dQ


  • 125:112 41800 450 12


  • =2552 KW


22

  • A22C1122


  • 1B22C1122)


  • 12

  • AB

  • E



  • dQ = dE + dW

  • 1kg


  • 4kg754kJ490kJ?

  • =66 =660.23884

  • =15.76


23

EZ U()E


  • lkge

  • u( )

  • v( )

  • Zm



  • 123A BCD

  • =


  • 1241()ABCDZZ Z Z

  • =

  • =



121


1-2-2


1-2-3


1-2-4


  • Login