上游充通大学 SHANGHAI JIAO TONG UNIVERSITY Engineering Thermodynamics (I) Spring,2018 Prof.,Dr.Yonghua HUANG 强 A Office Hour:Appointment(ME-A432) Email huangyh@sjtu.edu.cn;Office Phone:34206295
Engineering Thermodynamics (I) Spring, 2018 Prof., Dr. Yonghua HUANG Office Hour: Appointment(ME-A432) Email :huangyh@sjtu.edu.cn; Office Phone: 34206295
Modern vehicles 行日重加刻海前 然第■第性器 不H熊鼠 上游充通大学 February 28,2018 2 SHANGHAI JIAO TONG UNIVERSITY
February 28, 2018 2 Modern vehicles
Example:Renewable/green energy age Wind Solar tidal energy Nuclear fusion Nuclear fission power plant Hybrid diesel-electric locomotive,4400 HP 2010 15%increase in n 50%lower emissions 上游充通大学 February 28,2018 3 SHANGHAI JLAO TONG UNIVERSITY
February 28, 2018 3 Example: Renewable/green energy age Nuclear fusion Nuclear fission power plant Wind + Solar + tidal energy
Example:Global CO2 Production/~Fossil Fuel Consumption Annual Greenhouse Gas Emissions by Sector Global energy demand by type Industrial 16.8% (billion tonnes of oil equivalent) processes Power stations 21.3% ■ Other renewables 20 Biomass and waste Transportation fuels 口Coal 14.0% Waste disposal ■ Hydroelectricity and treatment Nuclear energy 16 3.4% Natural gas ■Ol Agricultural byproducts 12.5% 10.0% Land use and biomass burning 12 Fossil fuel retrieval, ronanddisibtin1% 10.3%Residential,commercial, and other sources 8 20.6% 29.5% 40.0% 62.0% 8.4% 4.8% 19.2% 6.6% 2.3% 9.1% 5.9% 29.6% 12.9% 18.1% 26.0% Carbon Dioxide Methane Nitrous Oxide (72%of total) (18%of total) (9%of total) 1990 2007 2015 2030 Source:World Energy Outlook 2009.C OECD/IEA 2009,page 622 and pages 196-197; Energy Challenge 上降文通大学 February 28,2018 4 SHANGHAI JIAO TONG UNIVERSITY
February 28, 2018 4 Example: Global CO2 Production/~Fossil Fuel Consumption Global energy demand by type (billion tonnes of oil equivalent) Source: World Energy Outlook 2009. © OECD/IEA 2009, page 622 and pages 196-197; Energy Challenge
Two experiments What comes to your mind? Experiment #1 © Volume changing?Mass?Density?Pressure?Work? Energy? Liquid nitrogen?Why liquid?Temperature?T-V relation of gaseous air?Property?Cold?Warm?Heat Transfer? Volume changing?Work?Thermal Energy<->Work? Experiment #2 Startup (transient)-steady?Volume changing?Work output?Electricity?Continuous running>cycle?Energy conversion?Combustion? Friction?Efficiency?Why high temperature? 上游充通大 February 28,2018 5 SHANGHAI JLAO TONG UNIVERSITY
February 28, 2018 5 Two experiments Volume changing? Mass? Density? Pressure? Work? Energy? Liquid nitrogen? Why liquid? Temperature? T-V relation of gaseous air? Property? Cold? Warm? Heat Transfer? Volume changing? Work? Thermal Energy<->Work? What comes to your mind? Startup (transient) – steady? Volume changing? Work output? Electricity? Continuous runningcycle? Energy conversion? Combustion? Friction? Efficiency? Why high temperature? Experiment #2 Experiment #1