5.1 Introduction 5.2 Energy Balance 5.2.1 Energy Balance Equations 5.2.2 Calculations of Various Energy 5.2.3 Methods and Approaches 5.3 Thermal effects 5.3.1 Thermal in Physical changes 5.3.2 Thermal in Chemical changes 5.4 Examples of Energy Balance 5.5 Calculation of Consumption of Coolant, heating source and other energy 5.5.1 Coolant and Heating source frequentlyused 5.5.2 Consumption of Coolant and Heating source 5.5.3 Consumption of fuel 5.5.4 Consumption of Electric Energy 5.5.5 Consumption of Compressed air 5.5.6 Calculation of Sucking rate Vacuumed
Lecture D32: Damped Free Vibration Spring-Dashpot-Mass System k Spring Force Fs =-kx, k>0 Dashpot Fd =-cx, c>0 Newton's Second Law (mx =EF) mx +cx+kx (Define)Natural Frequency wn=k/m,and
Lecture D33: Forced Vibration Fosinwt m Spring Force Fs =-kx, k>0 Dashpot Fd =-ci, c>0 Forcing Fext Fo sin wt Newton's Second Law (mix =CF) mx+cx+kx= Fo sin wt =k/m,=c/(2mwn)