PPT-THE NATURE OF ENERGY AND HEAT

Topic 51 THERMOCHEMISTRY The study of heat released or required by chemical reactions Fuel is burnt to produce energy combustion CH 4g 2O 2g CO 2g 2H 2. trantercom GASKETED AND WELDED HEAT EXCHANGERS FOR EVERY NEED brPage 2br Gasketed Plate Heat Exchangers Tranter provides the worlds largest range of Plate Heat Exchangers PHEs for a variety of applications 57375e PHEs are built on a modulebased conce Thermochemistry. Energy absorbed or released as heat in a chemical or physical change is measured in a . calorimeter. .. In some calorimeters, known quantities of reactants are submersed in water and combusted. The energy given off is noted by the temperature change in water.. Scales of Measurement. Celsius scale – based on where water freezes (0. . C) and where water boils (100. . C). Kelvin scale – based on the movement of particles. . Absolute Zero. At 0 K, all particle movement has ceased. Heat Energy. Heat energy is due to the movement of atoms or molecules.. As atoms move faster they create more energy = causing Heat!. Thermal Energy. Depends upon the mass, temperature and phase of an object.. On the front counter there is a perpetually thirsty bird. Do NOT touch him.. Write down all your . observations. of the motion. Do not try to explain why it’s happening—just look at WHAT is happening. . Fins and Extended Surfaces. 1. Chapter 3c : One-dimensional, Steady state conduction (with thermal energy generation) (Section 3.5 – Textbook). 2. 3.1 Implications of energy generation. Involve a local source of thermal energy due to conversion from another form of energy in a conducting medium.. Thermochemistry. Energy absorbed or released as heat in a chemical or physical change is measured in a . calorimeter. .. In some calorimeters, known quantities of reactants are submersed in water and combusted. The energy given off is noted by the temperature change in water.. Discovery Education Video:. This clip introduces heat, energy, and temperature. Some key terms and concepts are introduced. . Heat is a form of energy . that we can feel.. What is heat?. What is heat?. Things you should know so far…. Energy transfer – endothermic vs. exothermic. Energy diagrams . Internal energy (including work). Heat equation. Calorimetry. and conservation of energy. Molar enthalpy. a. Categorize ways to produce heat energy such as burning, rubbing (friction), and mixing one thing with another. . b. Investigates how insulation affects heating and cooling. . c. Investigates the transfer of heat energy from the sun to various materials. . Wind energy – wind farms convert to electrical energy . Wind power is inexhaustible. Could meet electricity needs of the lower 48 states. Texas and California are top producers. Core Case Study: The Astounding Potential for Wind Power in the U.S.. Fanxu Meng, PhD, PE - Research Associate. DOE Upper-West CHP TAP. Houston Advanced Research Center (HARC). Denver, CO. October 31. th. , 2018. 1. In Today’s . Presentation. :. DOE CHP Technical Assistance Partnerships (TAP). HEAT ENERGY TRANSFER AND AIR TEMPERATURE As we have seen, Earth’s Weather and Climate are the results of the intricate interrelationships between the Earth and the Sun, and between the components of our Atmosphere and Flows from higher-temperature object to lower-temperature object. System. (T. 1. ). Surroundings. (T. 2. ). Heat. If T. 1. > T. 2. q . system. = -. exothermic. System. (T. 1. ). Surroundings. (T.