MEL241: Energy Conversion P M V Subbarao Mechanical Engineering, IIT Delhi MEL241: Energy Conversion Design Tutorials

Mechanical Engineering, P M V Subbarao Mechanical Engineering, IIT Delhi Format of Tutorial Supply of Problem sheets. Two hours of active participation in: Problem Formulation Basic Calculations System/Component Design Drawing of the components (If required).

Mechanical Engineering, P M V Subbarao Mechanical Engineering, IIT Delhi Essentials A dedicated note book. Calculator. Steam and property tables. Pencil, scale & eraser. More later……

Design of Energy Conversion Systems P M V Subbarao Mechanical Engineering, IIT Delhi Design of Energy Conversion Systems Available Resources (Energy, matter etc.,) Thermodynamics Laws and Information Engineering Design of Thermal processes, devices and systems. Other Engineering Sciences NO Social Sciences and Humanities Is Design meeting Human’s NEED? YES (task completed)

Mechanical Engineering, P M V Subbarao Mechanical Engineering, IIT Delhi

Provision of Power is the TASK of The MECHANICAL ENGINEER P M V Subbarao Mechanical Engineering, IIT Delhi Human being is a WEAK Animal Yet dominates the GLOBE Human being has ability to provide power, set LIMITS to the rate of growth of Civilization. Provision of Power is the TASK of The MECHANICAL ENGINEER

Mechanical Engineering, P M V Subbarao Mechanical Engineering, IIT Delhi Steam Power Plant

Mechanical Engineering, P M V Subbarao Mechanical Engineering, IIT Delhi Turbojet Engine

Air-Conditioning System P M V Subbarao Mechanical Engineering, IIT Delhi

Mechanical Engineering, P M V Subbarao Mechanical Engineering, IIT Delhi Biological Systems Laws of Thermodynamics First law of thermodynamics: Exothermic reaction: energy is lost from system into surrounding environment Endothermic reaction: energy from outside system is put into system (e.g. photosynthesis) Second law of thermodynamics: Coal burned in boiler --> steam + dispersed heat Organic matter used by consumers --> living tissue + heat

Mechanical Engineering, P M V Subbarao Mechanical Engineering, IIT Delhi Ecological Systems Ecosystem : Biological community and abiotic environment unite to form a single interactive system. Exchange of energy and matter terrestrial and aquatic Driving force: sun Component Producers: green plants: Heterotrophs: consumers and decomposers Abiotic component : soil,