PDF-5.3 Mean Temperature of Heat Addition:

minmeanmax ure of heat addition is the mean temperature of heat addition as shown in the above figure so that the 132m32 min32rankine1m32Ts s 1 1 QTs sx03B7 minrankine 1 53. minmeanmax ure of heat addition is the mean temperature of heat addition as shown in the above figure, so that the 132m32 min32rankine1m32T(s - s) 1 - 1 - QT(s - s)η== minrankine 1 - 5.3 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. . Introduction to Heat. Heat is a form of energy.. A large amount of energy ends up as heat.. Example: in a car some of the chemical energy stored in petrol is turned into heat energy. . Heat can have a significant effect on solids, liquids and gases (such as expansion).. 2.1. Temperature and the . Zeroth. Law of Thermodynamics. 2.2. Thermal Expansion. 2.3. Heat and the Absorption of Heat by Solids and Liquids. 2.4. Work and Heat in Thermodynamic Processes. 2.5. The First Law of Thermodynamics and Some Special Cases. © 2016 Pearson Education, Inc.. Temperature . and heat. Goals:. Temperature – Figure 14.1. Temperature . is an attempt to measure the . ". hotness. ". . or . ". coldness. ". . on a scale you devise.. How do we measure Temperature?. Thermal expansion . – The fluid in a thermometer’s bulb heats up and expands, increasing the volume until it flows up the tube of the thermometer.. Color change. – Some materials change color based on their temperature. Examples are forehead thermometers and mood rings.. 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?. Chapter. 18. Copyright © 2014 John Wiley & Sons, Inc. All rights reserved.. 18-. 1. . Temperature. 18.01 . Identify the lowest temperature as 0 on the Kelvin scale (absolute zero).. 18.02 . Explain the . HEAT? TEMPERATURE?. How to measure temperature?. How to quantify temperature and heat?. How do heat transfer?. HEAT & TEMPERATURE. Temperature. is a quantitative measurement of . hotness/coldness. Al-Mustansiriya University. College of Engineering. Energy management and applications. Insulations. Asst. Prof. Dr. Hayder Mohammad Jaffal. (Section 3). Insulation materials are extensively used to reduce the heat losses (or gains) from thermal systems like buildings, pipes and ducts, components of HVAC installations, etc. Most mass-type thermal insulation materials are highly porous, and consist of a solid matrix full of small voids that comprise 90% or more of the total volume. These voids contain air or some other harmless gas such as CO2. The apparent conductivity of the material is the macroscopic result of various basic heat transfer mechanisms: solid and gas conduction, gas convection and long-wave radiation within the voids. From the macroscopic point of view, the apparent conductivity mainly depends on the kind of insulation, bulk density, temperature, water content, thickness and age. From the microscopic point of view, factors such as cell size, diameter and arrangement of fibers or particles, transparency to thermal radiation or type and pressure of the gas come into . 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. TRIAGE History, or axillary using mercury thermometer), BP, Pulse, Respiratory Rate, Oxygen Saturation and mental status using AVPU ** 1. Assess and manage airway , breathing and circulation Defining Temperature. Temperature: a measure of the average kinetic energy of the particles in a substance. Adding or removing energy usually changes temperature. Internal Energy: energies associated with atomic motion.