TAILIEUCHUNG - Ebook Fundamentals of engineering thermodynamics (4th edition): Part 2

(BQ) Part 2 book "Fundamentals of engineering thermodynamics" has contents: Refrigeration and heat pump systems; thermodynamic relations; ideal gas mixtures and psychrometrics applications; reacting mixtures and combustion; chemical and phase equilibrium. | C H A P 10 chapter objective ᭤ T E R Refrigeration and Heat Pump Systems E N G I N E E R I N G C O N T E X T Refrigeration systems for food preservation and air conditioning play prominent roles in our everyday lives. Heat pumps also are used for heating buildings and for producing industrial process heat. There are many other examples of commercial and industrial uses of refrigeration, including air separation to obtain liquid oxygen and liquid nitrogen, liquefaction of natural gas, and production of ice. The objective of this chapter is to describe some of the common types of refrigeration and heat pump systems presently in use and to illustrate how such systems can be modeled thermodynamically. The three principal types described are the vapor-compression, absorption, and reversed Brayton cycles. As for the power systems studied in Chaps. 8 and 9, both vapor and gas systems are considered. In vapor systems, the refrigerant is alternately vaporized and condensed. In gas refrigeration systems, the refrigerant remains a gas. ᭢ Vapor Refrigeration Systems The purpose of a refrigeration system is to maintain a cold region at a temperature below the temperature of its surroundings. This is commonly achieved using the vapor refrigeration systems that are the subject of the present section. CARNOT REFRIGERATION CYCLE To introduce some important aspects of vapor refrigeration, let us begin by considering a Carnot vapor refrigeration cycle. This cycle is obtained by reversing the Carnot vapor power cycle introduced in Sec. . Figure shows the schematic and accompanying T–s diagram of a Carnot refrigeration cycle operating between a region at temperature TC and another region at a higher temperature TH. The cycle is executed by a refrigerant circulating steadily through a series of components. All processes are internally reversible. Also, since heat transfers between the refrigerant and each region occur with no temperature differences, there are no .

• Cơ khí - Chế tạo máy
• Fundamentals of engineering thermodynamics
• Heat pump systems
• Thermodynamic relations
• Ideal gas mixtures
• Psychrometrics applications
• Reacting mixtures and combustion
• Phase equilibrium
• Getting Started
• The first law of thermodynamics
• Evaluating properties
• Control volume analysis using energy
• Gas power systems
• Chemical Thermodynamic
• Gibbs Energy
• Protein Folding
• Microscopic Connotations
• Materials Engineering
• Steroid Hormones
• Lecture Physical chemistry
• Physical chemistry
• Bài giảng Hóa lý
• Phase diagrams
• Phase rule
• Binary isomorphous systems
• Binary eutectic systems
• Journal of Mechanics
• Stability of the equilibrium regime
• System of two degrees of freedom
• Amplitude phase variables
• Two degrees of freedom
• Hans Kauderers method
• First law of thermodynamics
• Fundamental equations
• Chemical equilibrium
• Electrochemical equilibrium
• Atomic structure
• Communications in Physics
• Thermodynamic hadron quark phase transition
• Chiral nuclear matter to quark gluon plasma
• Quark gluon plasma
• Equilibrium properties near critical points
• Phase transitions and critical phenomena
• Engineering materials 2
• Metal structures
• Equilibrium constitution
• Case studies in phase diagrams
• The driving force for structural change
• The light alloys
• The mechanical properties
• Thermodynamics and chemistry
• Electrolyte solutions
• Other chemical processes
• Equilibrium conditions
• Multicomponent systems
• Phase rule and phase diagrams
• Nuclear matter
• Equations of state of nuclear matter
• Chiral symmetries
• Bag model
• Quark deconfinement
• Phase transitions and critical phenomena
• BMC Chemistry
• Essential oil
• Volatile compounds
• Gaseous phase
• Gas chromatography–mass spectrometry
• Engineering approach
• Companion site to accompany thermodynamics
• Nhiệt động lực học
• Energy transfer
• Prerequisites
• Elementary mass balances
• Mass balances
• reacting systems
• Metals
• light alloys
• ceramics
• mechanical properties
• State behaviour
• thermodynamics
• homogeneous mixtures
• Phase equilibria
• Chemical kinetics
• Transport processes
• Lecture Thermodynamics
• Specific gibbs function
• Simultaneous reactions
• Vietnam Journal of Science and Technology
• Aerosol Ph in Ho Chi Minh city
• Ho Chi Minh city
• Thermodynamic equilibrium models
• The phase partitioning of ammonia
• Fundamentals of thermodynamics
• Power and refrigeration systems
• Chemical reactions
• Introduction to phase
• Compressible flow
• The life sciences
• The first law
• Thermodynamics of ion
• The rates of reactions
• Basic terms
• Atate behaviour
• Journal of Chemistry
• α hydroxyphenylacetic acid
• Equilibrium constant
• Reaction mechanism
• Pharmaceutical intermediates
• Aromatic carbonyl compounds
• The advanced college essay
• Gas power cycles
• Refrigeration cycles
• Thermodynamic property relations
• Gas mixtures