Thermal Engineering Environmental

Environmental Thermal

Engineering

Lecture Note #1

Professor Min Soo KIM

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Introduction Introduction

Name : 김 민 수 (KIM, Min Soo) Homepage : http://reflab.snu.ac.kr E-mail : minskim@snu.ac.kr

Telephone : 02-880-8362

In person : Bldg. 301, Rm. 1507

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Thermodynamics Introduction

- The study of the properties of a system according to a change in state

- The study dealing with the conversion and utilization of energy - Establish all relationships between energy, work and heat

Electrical energy (Work)

Heat absorption (Low temperature) Heat dissipation

(High temperature)

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Covering Topics Introduction

Energy Medicine Sport

Climate Refrigeration Air Conditioning Geo-engineering

Waste

1 2 3 4

5 6 7 8

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Sun Introduction

Prominence Sunspot

Corona

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Earth Introduction

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Solar System Introduction

Reference : Radeon Graphics

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Environmental Doomsday Clock Introduction

Korea

9:56

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Global Warming? Climate Change? Introduction

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Earth’s Temperature Change Introduction

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Change in CO Introduction ₂ Concentration

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CO Introduction ₂ Measurement

FIGURE Investigation of CO

concentration in the Antarctic

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Abnormal Low Temperature Phenomenon Introduction

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Global Climate Anomalies Introduction

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Greenhouse Effect Introduction

https://en.wikipedia.org/wiki/Solar_energy

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Rebuttal of Global Warming due to GHG Introduction

CDIAC 2016 Robinson 2012

Related book

Inconvenient Facts

by Gregory Wrightstone

Including Water Vapor Excluding Water Vapor

(Water Vapor) (Carbon Dioxide)

(Carbon Dioxide) (Other)

(Methane)

(Methane)

(Other)

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Average Temperature Change by Month Introduction

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Observed Warming in Central England Introduction

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Temperature Fluctuation in the Past Introduction

Past year from now (Unit : 100k years)

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Temperature for the Past 4 Billion Years Introduction

Scotese 2002

Use of

Environmental Thermal

Engineering

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Food Storage Use of Environmental Thermal Engineering

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Transportation Use of Environmental Thermal Engineering

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Living Convenience Use of Environmental Thermal Engineering

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Leisure Use of Environmental Thermal Engineering

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Medicines Use of Environmental Thermal Engineering

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Air Conditioning System Use of Environmental Thermal Engineering

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Cooling System Use of Environmental Thermal Engineering

Energy

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Depletion of Fossil Fuel ^Energy

https://www.worldometers.info/oil/

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Solar Energy ^Energy

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Wind Energy

Energy

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Hydrogen Energy – Fuel Cell ^Energy

Anode : 2H

→ 4H

+ 4e

Cathode : O

+ 2H

+ 2e

→ H

O

Overall : 2H

+ O

→ 2H

O

+ Electrical Energy + Heat Energy

PEM FUEL CELL Reaction

① Hydrogen reacts with the Pt catalyst on the PEM to form protons and release electrons.

Pt

② The protons travel across the PEM.

Pt

H H H

H

H

H

H

H

H

H

O O

O H H

③ The proton reacts with oxygen to

form water.

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Geothermal Energy ^Energy

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Bio-energy ^Energy

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Concerns about Another Oil Price War ^Energy

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What is Shale Gas ^Energy

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Shale Gas and Shale Oil Reserves ^Energy

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Question and Answer Session ^Q&A