How can we help?

You can also find more resources in our Help Center.

Study sets matching "thermodynamics engineering"

Study sets
Classes
Users

Study sets matching "thermodynamics engineering"

36 terms
Engineering Thermodynamics
thermodynamics
3 examples of a thermodynamic system
thermal energy
temperature
the study of the effects of work, heat flow, and energy on a…
-Nuclear power plant... -computer... -airplane
Kinetic energy in transit from one object to another due to t…
the average kinetic energy of particles in an object, not the…
thermodynamics
the study of the effects of work, heat flow, and energy on a…
3 examples of a thermodynamic system
-Nuclear power plant... -computer... -airplane
9 terms
Engineering thermodynamics
Thermodynamics
Examples of a thermodynamics system
Thermal energy
Temperature
The study of effects of heatflow, work, amd energy of a system
1. Nuclear power plant... 2. A space ship... 3. A heater system
Kinetic in transit from one object to another due to temp. Di…
Average kinetic energy of the particles in an object
Thermodynamics
The study of effects of heatflow, work, amd energy of a system
Examples of a thermodynamics system
1. Nuclear power plant... 2. A space ship... 3. A heater system
28 terms
Thermodynamics and Engines
First law of thermodynamics
Isothermal (constant temperature) Proc…
Adiabatic Process
Isobaric (constant pressure) Process
Q = (delta)U + W... -Q is heat entering the system... -(delta)U is…
-for an expansion, Q and W are positive, (delta)U is 0. Volum…
-not heat is transformed to or from the gas... -for an expansion…
-for an expansion, Q, (delta)U and W are positive. Volume tem…
First law of thermodynamics
Q = (delta)U + W... -Q is heat entering the system... -(delta)U is…
Isothermal (constant temperature) Proc…
-for an expansion, Q and W are positive, (delta)U is 0. Volum…
49 terms
ENGINEERING Chapter 2 Thermodynamics
Thermodynamics Definition
Energy Conversion Flow
Heat Transfer
Potential Energy
The science with the interrelationship between thermal energy…
stored -> thermal -> mechanical
science that deals with methods by which thermal energy is ab…
energy associated with an object's position or elevation rela…
Thermodynamics Definition
The science with the interrelationship between thermal energy…
Energy Conversion Flow
stored -> thermal -> mechanical
10 terms
Principles of Engineering 2016 - Thermodynamics
Fahrenheit
Kelvin
R-value
conduction
water freezes at 32 degrees
Scale that reaches absolute zero
A measure of insulation effectiveness
heat transfer using the relationship Q=mc delta T
Fahrenheit
water freezes at 32 degrees
Kelvin
Scale that reaches absolute zero
18 terms
Thermodynamics (Mechanical Engineering)
one-dimensional flow
Steady state
Energy Rate Balance (most comprehensiv…
Nozzle
flow is normal to the boundary at locations where mass enters…
no properties change with time, for a control volume, mass in…
dKE/dt+dPE/dt+dU/dt=Qcv-Wcv+(sum of all)m*i(ui-pivi+Vi^2/2+…
A flow passage of varying cross-sectional area in which the v…
one-dimensional flow
flow is normal to the boundary at locations where mass enters…
Steady state
no properties change with time, for a control volume, mass in…
15 terms
Principles of Engineering - Thermodynamics
thermodynamics
Thermal energy
temperature
Thermal equilibrium
the study of the effects of work, thermal energy, and energy…
the kinetic energy in transit from one object to another due…
the average kinetic energy of an object
occurs when objects in contact reach the same temperature
thermodynamics
the study of the effects of work, thermal energy, and energy…
Thermal energy
the kinetic energy in transit from one object to another due…
16 terms
Pltw Engineering thermodynamics vocab
Thermodynamics
Thermal Energy
Temperature
Absolute Zero
The study of the effects of work, heat flow, and energy on a…
kinetic energy in transit from one object to another due to t…
the average kinetic energy of particles in an object—not the…
occurs when all kinetic energy is removed from a object
Thermodynamics
The study of the effects of work, heat flow, and energy on a…
Thermal Energy
kinetic energy in transit from one object to another due to t…
135 terms
ME121-Engineering Thermodynamics
System
Surroundings
Boundary
Closed system
rigid body bounded by certain boundaries
everything external to the system
interface between the system and the environment
always contains the same matter. Allows energy transfer but t…
System
rigid body bounded by certain boundaries
Surroundings
everything external to the system
28 terms
Engineering-Intro to Thermodynamics
Thermodynamics
Thermal energy
Temperature
Freezing point of water in celsius
The study of effects of work, heat flow, and energy on a syst…
Kinetic energy in transit due to temperature different.... Measu…
Average kinetic energy of particles in an object.... Measured in…
0 degrees C
Thermodynamics
The study of effects of work, heat flow, and energy on a syst…
Thermal energy
Kinetic energy in transit due to temperature different.... Measu…
17 terms
Thermodynamics Definitions (Engineering II)
Conduction
Convection
Radiation
First Law of Thermodynamics
heat transfer from molecular agitation due to contact of part…
Heat transfer by the motion of a fluid such as air or water w…
Energy transfer by the emission of electromagnetic waves whic…
Energy can not be created or destroyed in an isolated system.
Conduction
heat transfer from molecular agitation due to contact of part…
Convection
Heat transfer by the motion of a fluid such as air or water w…
44 terms
Principles of Engineering Thermodynamics and Electricity
energy
nonrenewable
fossil fuels
renewable
the ability to do work
coal oil natural gas uranium nuclear energy (fission) nuclear…
coal oil natural gas
animals food biomass bio-fuel ethanol and methanol
energy
the ability to do work
nonrenewable
coal oil natural gas uranium nuclear energy (fission) nuclear…
34 terms
Engineering Thermodynamics Yuill Test #2
steady state
what can pass through boundaries of a…
what can pass through the boundaries o…
if flow work is out of the system, wha…
guzinta = guzouta (total mass flow rate in = total mass flow…
work and heat
work, heat, and mass
positive
steady state
guzinta = guzouta (total mass flow rate in = total mass flow…
what can pass through boundaries of a…
work and heat
59 terms
Engineering and Chemical Thermodynamics Chapter 1
universe
system
surroundings
boundary
represents all measured space
region we are interested in
the rest of the region
separates system from surroundings
universe
represents all measured space
system
region we are interested in
43 terms
CHE 151 Process Engineering Thermodynamics
Clapyron Equation definition
Gibbs Free Energy
Two phases at equilibrium with the sam…
Enthalpy
Expression for the change of enthalpy when the phase changes…
dG= -SdT+VdP
Gibbs Free Energy... Gα=Gβ... VαdPsat-SαdT = VβdPsat-SβdT
dH = TdS + VdP
Clapyron Equation definition
Expression for the change of enthalpy when the phase changes…
Gibbs Free Energy
dG= -SdT+VdP
16 terms
Thermodynamics (Engineering Emphasis) ENGR-130-Hyper Physics
Energy
Work
Internal Energy
Potential Energy
The capacity of doing work (total work)...so so how much of a…
The act of applying a force on an object over a set distance.…
The energy associated with the movement of the molecules or a…
The energy which results from position such as where you are…
Energy
The capacity of doing work (total work)...so so how much of a…
Work
The act of applying a force on an object over a set distance.…
36 terms
Fundamentals of Engineering Thermodynamics Chapter 3 Terms
Phase
Homogeneity in Physical Structure
Homogeneity in Chemical Composition
Pure Substance
A building block of matter that is homogeneous throughout…
In physical structures, the matter is either all solid, all l…
The matter is the same in terms of chemical form throughout
A substance that is uniform and invariable in chemical compos…
Phase
A building block of matter that is homogeneous throughout…
Homogeneity in Physical Structure
In physical structures, the matter is either all solid, all l…
22 terms
Fundamentals of Engineering Thermodynamics Chapter 2 Terms
Sign Conventions
Internal Energy
Work
Compression
Unlike in Thermochemistry, everything that happens on the out…
Extensive Property - Depends on how big the system is. Associ…
Energy that is transferred to and from closed systems . Examp…
When volume decreases due to pressure increasing. NEGATIVE WORK
Sign Conventions
Unlike in Thermochemistry, everything that happens on the out…
Internal Energy
Extensive Property - Depends on how big the system is. Associ…
9 terms
IB Physics HL - Engineering Physics (Thermodynamics)
First Law of Thermodynamics (equation…
First Law of Thermodynamics (words)
Second Law of Thermodynamics (words)
Second Law of Thermodynamics (Equation…
Q=∆u+W... Q=Heat Transfer (Joules)... ∆u=Internal Energy... W=work don…
Energy is conserved: any energy in or out of the system is ac…
Entropy: Energy will flow from high to low on its own unless…
∆Q/T=S... ∆Q=Heat Energy... T=Temperature... S=Entropy
First Law of Thermodynamics (equation…
Q=∆u+W... Q=Heat Transfer (Joules)... ∆u=Internal Energy... W=work don…
First Law of Thermodynamics (words)
Energy is conserved: any energy in or out of the system is ac…
58 terms
A2 AQA Physics - Thermodynamics and engines
State the first law of thermodynamics
How can the work done on/by a gas at a…
What is an isothermal process?
What does the first law of thermodynam…
The change in the internal energy of a closed system is equal…
WD = pΔV
A process that takes place at a constant temperature
Q = W as Δu = 0
State the first law of thermodynamics
The change in the internal energy of a closed system is equal…
How can the work done on/by a gas at a…
WD = pΔV
80 terms
Physics: Engines and Thermodynamics (Ch. 11 and 12)
adiabatic process
basal metabolic rate
Carnot cycle
Carnot's theorem
thermal process in which no heat is added to or removed from…
energy needed to maintain and run different body organs such…
ideal, reversible cycle
no real engine operating between two energy reservoirs can be…
adiabatic process
thermal process in which no heat is added to or removed from…
basal metabolic rate
energy needed to maintain and run different body organs such…
58 terms
A2 AQA Physics - Thermodynamics and engines
State the first law of thermodynamics
How can the work done on/by a gas at a…
What is an isothermal process?
What does the first law of thermodynam…
The change in the internal energy of a closed system is equal…
WD = pΔV
A process that takes place at a constant temperature
Q = W as Δu = 0
State the first law of thermodynamics
The change in the internal energy of a closed system is equal…
How can the work done on/by a gas at a…
WD = pΔV
32 terms
Thermodynamics for Aerospace Engineers Textbook sections 1.1-1.4
Thermodynamics
The (blank) are external to our system…
Two types of systems
Closed System
Thermodynamics is the study of energy
surroundings
1) Closed System (Control Mass)... 2) Open System (Control Volume)
1) No mass can cross system boundary... 2) Energy may cross syst…
Thermodynamics
Thermodynamics is the study of energy
The (blank) are external to our system…
surroundings
10 terms
Chapter 22 Heat Engines, Entropy and the Second Law of Thermodynamics
What is a heat engine?
What is the thermal efficiency of a he…
What is the Kelvin-Planck form of the…
What are heat pumps/refrigerators?
A device that takes in energy by heat and, operating in a cyc…
A measure of how efficient a heat engine is at turning heat i…
It basically just says that a heat engine can never be 100% e…
Devices that use energy to transfer heat against the natural…
What is a heat engine?
A device that takes in energy by heat and, operating in a cyc…
What is the thermal efficiency of a he…
A measure of how efficient a heat engine is at turning heat i…
169 terms
Physics 10 EXAM 2 - CH 9 FLUIDS, CH 10: Temp and Heat and 11(Heat engines, pumps and 1 & 2nd laws of thermodynamics) - COMPLETE
CHAPTER 9 - FLUIDS
Fluid
Volume formula
1 liter
The Behavior of Fluids
State of matter capable of flowing; takes... shape of container.…
Volume = length × width × height
Liter (1 l) = 10 cm × 10 cm × 10 cm
CHAPTER 9 - FLUIDS
The Behavior of Fluids
Fluid
State of matter capable of flowing; takes... shape of container.…
14 terms
Thermodynamics
Thermodynamics
Kinetic-molecular Theory
Thermal Energy
Temperature
The study of heat.
In a hot body the particles move faster and thus have greater…
The overall energy of motion of the particles that make up an…
The hotness of an object. It represents the average kinetic e…
Thermodynamics
The study of heat.
Kinetic-molecular Theory
In a hot body the particles move faster and thus have greater…
41 terms
Thermodynamics Chapter 6
Heat Engines
Working Fluid
Heat can't be converted completely to…
A Steam Power Plant
convert heat to work, receive heat from high-temp source, rej…
the fluid to and from which heat and work is transferred whil…
work can always be converted to heat directly and completely.…
A portion of the work output of the heat engine is consumed i…
Heat Engines
convert heat to work, receive heat from high-temp source, rej…
Working Fluid
the fluid to and from which heat and work is transferred whil…
12 terms
Thermodynamics
Conduction
Thermal Equilibrium
Heat
Convection
Form of heat transfer where heat energy is directly transferr…
The state in which the rate of energy flow between two object…
Energy that is transformed as a consequence of temperature di…
The circulation of particles within a material caused by diff…
Conduction
Form of heat transfer where heat energy is directly transferr…
Thermal Equilibrium
The state in which the rate of energy flow between two object…
9 terms
Thermodynamics
Thermodynamics
Absolute zero
Internal energy
First Law of Thermodynamics
The study of heat and its transformation to different forms o…
The lowest possible temperature that a substance may have, th…
The total energy (kinetic plus potential) of the submicroscop…
A restatement of the law of energy conservation, applied to s…
Thermodynamics
The study of heat and its transformation to different forms o…
Absolute zero
The lowest possible temperature that a substance may have, th…
14 terms
Unit 5c - Thermodynamics
Conduction
Convection
Entropy
1st Law of Thermodynamics
The transfer of heat within an object or between objects by m…
Process by which, in a fluid being heated, the warmer part of…
The function of the state of a thermodynamic system whose cha…
The law that heat is a form of energy, and the total amount o…
Conduction
The transfer of heat within an object or between objects by m…
Convection
Process by which, in a fluid being heated, the warmer part of…
22 terms
Thermodynamics
British Thermal Unit
Calorie
Chemical Energy
conduction
(BTU) The US Customary unit of thermal energy; the amount of…
(C) A metric unit of thermal energy; the amount of energy nee…
The energy associated with chemical bonds and bonding structu…
The transfer of heat energy by physical contact
British Thermal Unit
(BTU) The US Customary unit of thermal energy; the amount of…
Calorie
(C) A metric unit of thermal energy; the amount of energy nee…
12 terms
thermodynamics
extensive properties
intensive properties
thermodynamics
boundary
广延量
强度量
热力学
边界
extensive properties
广延量
intensive properties
强度量
22 terms
Thermodynamics
Work done
Internal Energy
Adiabatic Equation of state
Isobaric
Work done
Internal Energy
13 terms
Thermodynamics Exam 3
With the help of T-S diagram for Rever…
With the help of definition of C.O.P,…
State the effect of the pressure ratio…
What do you understand by 'cyclic devi…
The T-S diagram is a square process showing that the work req…
When the two temperatures are close to each other then the C.…
Efficiency of the Brayton cycle is a function of the pressure…
A cyclic device is a device that operates by following some s…
With the help of T-S diagram for Rever…
The T-S diagram is a square process showing that the work req…
With the help of definition of C.O.P,…
When the two temperatures are close to each other then the C.…
22 terms
Thermodynamics
Work done
Internal Energy
Adiabatic Equation of state
Isobaric
Work done
Internal Energy
39 terms
Thermodynamics (Physics)
Thermodynamics (defined)
Absolute zero
Celsius and Kelvin temperatures at abs…
Melting and boiling point of water in…
the study of heat and its transfer into mechanical energy
temperature at which no more energy can be extracted from a s…
-273 Calsius and 0 Kelvin are absolute zero
melting 0 celsius and 273 Kelvin... boils 100 C and 373 K
Thermodynamics (defined)
the study of heat and its transfer into mechanical energy
Absolute zero
temperature at which no more energy can be extracted from a s…
Physics chapter 24 Thermodynamics
Absolute zero
Thermodynamics
Lord Kelvin
First Law of Thermodynamics
The coldest temperature, 0 Kelvin, that can be reached. It is…
the study of conversions between thermal energy and other for…
developed an absolute temperature scale and formulated the se…
Energy can be transferred and transformed, but it cannot be c…
Absolute zero
The coldest temperature, 0 Kelvin, that can be reached. It is…
Thermodynamics
the study of conversions between thermal energy and other for…
29 terms
Thermodynamics
Thermodynamics
System
State of a System
Environment
The branch of physics that is built upon the laws of heat and…
A set of particles considered to be a distinct physical syste…
the condition of a system at any given time (Things like volu…
Conditions outside a system that effects the behavior of the…
Thermodynamics
The branch of physics that is built upon the laws of heat and…
System
A set of particles considered to be a distinct physical syste…
25 terms
Thermodynamics/ Thermodynamics Of Steam
Thermodynamics
Absolute Pressure
Absolute Zero
Atmospheric Pressure
Is a branch of physics that deals with the conversion of heat…
The pressure measured above the perfect vacuum. It is the sum…
The Temperature at which all molecular vibration motion ceases.
the pressure caused by the weight of the atmosphere
Thermodynamics
Is a branch of physics that deals with the conversion of heat…
Absolute Pressure
The pressure measured above the perfect vacuum. It is the sum…
35 terms
Heat and Thermodynamics
Heat Energy
Termal Contact
Thermal Equilibrium
Zero'th Law of Thermodynamics
Type of energy that flows due to a temperature difference... Alw…
Two bodies are in thermal contact if heat can flow between them
For two bodies in thermal contact, no net heat flows between…
If two objects are in thermal equilibrium with a third, they…
Heat Energy
Type of energy that flows due to a temperature difference... Alw…
Termal Contact
Two bodies are in thermal contact if heat can flow between them
80 terms
Chemical Thermodynamics
Ideal Gas Law
Boyle's Law
Boyle's Law
Charles' Law
PV=nRT
P∝1/V
PV=constant
V∝T
Ideal Gas Law
PV=nRT
Boyle's Law
P∝1/V
8 terms
18 Thermodynamics
thermodynamics
absolute zero
First Law of Thermodynamics
adiabatic process
the study of heat and its transformation to different forms o…
the lowest possible temperature that a substance may have; th…
The heat added to a system equals its increase in internal en…
a process, often of fast expansion or compression, in which n…
thermodynamics
the study of heat and its transformation to different forms o…
absolute zero
the lowest possible temperature that a substance may have; th…
32 terms
General Thermodynamics
dU
dH
dA
dG
Tds-Pdv, nCvdT
Tds+Vdp, =U+VdP
-Sdt-Pdv =U-TS
-SdT+Vdp =H-TS
dU
Tds-Pdv, nCvdT
dH
Tds+Vdp, =U+VdP
20 terms
thermodynamics
Conduction
Thermodynamics
External Combustion Engine
Central Heating System
is the transfer of thermal energy through touching with no ov…
the study of conversion between thermal energy and other form…
A heat engine in which the fuel burns outside the engine
A heating system that heats many rooms from one central locat…
Conduction
is the transfer of thermal energy through touching with no ov…
Thermodynamics
the study of conversion between thermal energy and other form…
55 terms
Thermodynamics
temperature
Can object gain cold?
What is Boyle's Law?
Boyle's Law Equation
relative measure of heat
No objects can only lose heat
relationship of pressure to volume
temperature
relative measure of heat
Can object gain cold?
No objects can only lose heat
34 terms
thermodynamics
heat
internal energy
convection
conduction
energy that flows from a higher temperature object to a lower…
sum of molecular kinetic energy (particle motion) + molecular…
heat is transferred by the movement of a fluid, hot air (flui…
heat is transferred directly through the material without mov…
heat
energy that flows from a higher temperature object to a lower…
internal energy
sum of molecular kinetic energy (particle motion) + molecular…
81 terms
Thermodynamics
system
different systems differ based on
open systems
closed systems
macroscopic body under study, surroundings consist of everyth…
differences in mass and energy exchange with surroundings
exchange both mass and energy with surroundings
exchange only energy with surroundings, not mass
system
macroscopic body under study, surroundings consist of everyth…
different systems differ based on
differences in mass and energy exchange with surroundings
21 terms
Thermodynamics
thermal contact
heat
temperature
conduction
2 systems placed so exchange TE
TE exchanged f one system to another
average kinetic en of particle in system
heat transferred by direct contact
thermal contact
2 systems placed so exchange TE
heat
TE exchanged f one system to another
66 terms
Thermodynamics
Zeroth Law of Thermodynamics
1st Law of Thermodynamics
Isochoric and relate to first law
Isobaric and relate to first law
An isolated system will evolve to equilibrium.
Conservation of energy. dU = 0 for isolated system.... Internal…
Constant Volume process... Since dW = pdV, dW = 0, therefore dU…
Constant Pressure process... dU = δQ - δW and dQ = dU + pdV = d(…
Zeroth Law of Thermodynamics
An isolated system will evolve to equilibrium.
1st Law of Thermodynamics
Conservation of energy. dU = 0 for isolated system.... Internal…
12 terms
Thermodynamics
thermodynamics
thermal energy
temperature
1st law of thermodynamics
the study of the effects of work, heat, flow, and energy in a…
kinetic energy transit due to the change in temperature (joul…
average kinetic energy in a object (degrees)
thermal energy can change form and location, but can't be cre…
thermodynamics
the study of the effects of work, heat, flow, and energy in a…
thermal energy
kinetic energy transit due to the change in temperature (joul…
1 of 10