Search for tag: "thermodynamics"

27 Media

14:22 7a Introduction to the Thermodynamics course 7a Introduction to the Thermodynamics course	7a Introduction to the Thermodynamics course Here I go through how the course works. I go through the learning outcomes and describe the flow of the course. I introduce the first and second laws and say that we will learn a lot more about them… thermofluids thermodynamics first law second law introduction From Stephen Beck 0 likes 421 plays 0 Optional Metadata - Department Aerospace Engineering
16:03 12g Example of throttle and HX 12g Example of throttle and HX	12g Example of throttle and HX Here I go through the two examples of a throttle and a heat exchanger. I look at the energy equation, and solve that. Then I look at the rate of entropy production. It is positive in both cases… thermodynamics heat exchangers irreversibility first law second law From Stephen Beck 0 likes 22 plays 0 Optional Metadata - Department Aerospace Engineering
16:46 10c Closed system examples 10c Closed system examples	10c Closed system examples Here I go through two examples of the first law of thermodynamics for closed systems. The first on e is a polutropic process where I calculte the final conditions and the heat and work. The second… first law of thermodynamics thermodynamics heat work polytropic processes closed system. From Stephen Beck 0 likes 510 plays 0
23:01 13a Heat engines 13a Heat engines	13a Heat engines Here I introduce the concept of the heat engine. I define the source and the sink. I then use the first and second laws of thermodynamics to derive the Carnot efficiency. I then point out that the… thermodynamics first law second law heat engine heat work carnot efficiency From Stephen Beck 0 likes 467 plays 0 Optional Metadata - Department Faculty of Engineering
10:29 11b Introduction to the second law 2 11b Introduction to the second law 2	11b Introduction to the second law 2 Here I describe what is hapenning in the two videos of the kid falling off the bike and the kid falling off the bike in reverse. I describe the natural order of things beign that order decreases and… thermodynamics heat work reversibility irreversibility second law entropy From Stephen Beck 0 likes 411 plays 0 Optional Metadata - Department Aerospace Engineering
13:28 11a Introduction to the second law 11a Introduction to the second law	11a Introduction to the second law Here I show a series of irreversible processes. I discuss how in each case high quality energy is converted into lower quality energy and that this is inevitable. I introduce the concept of entropy. thermodynamics heat work second law entropy reversibility irreversibility From Stephen Beck 0 likes 448 plays 0 Optional Metadata - Department Aerospace Engineering
20:44 7b Introduction to Thermodynamics 7b Introduction to Thermodynamics	7b Introduction to Thermodynamics Here I introduce the subject and talk about why it is both important and exciting. Enough already. thermodynamics introduction global warming energy transport renewable energy diatribe From Stephen Beck 0 likes 512 plays 0
20:02 14c Brayton cycle with inefficiencies 14c Brayton cycle with inefficiencies	14c Brayton cycle with inefficiencies Here I introduce two ineffinciencies into the ideal Brayton cycle I described in the previous lecture. Firstly, the effect of friction on the turbine and compressore. Then, I look at the effect of… thermodynamics brayton cycle efficiency pressure drop heat work From Stephen Beck 0 likes 470 plays 0 Optional Metadata - Department Aerospace Engineering
16:48 14b Example of Brayton cycle 14b Example of Brayton cycle	14b Example of Brayton cycle Here I go through an example of a Brayton cycle. I show that, using previous knowledge of devices, we can calculte the heat and work terms for the three devices and therefore work out the efficiency… thermodynamics brayton cycle heat work efficiency ideal isentropic From Stephen Beck 0 likes 488 plays 0 Optional Metadata - Department Aerospace Engineering
19:01 12d Second law examples: Compressor and Nozzle 12d Second law examples: Compressor and Nozzle	12d Second law examples: Compressor and Nozzle Here I work through two examples of the effect of isentropic efficiency on devices. I use the nozzle and the compressor as examples. I show that you need to produce a system and a T-S diagram. THen… thermodynamics isentropic efficiency nozzle compressor examples sfee From Stephen Beck 0 likes 663 plays 0 Optional Metadata - Department Aerospace Engineering
16:13 14a The Brayton cycle 14a The Brayton cycle	14a The Brayton cycle Here I introduce an example of a power cycle. The open cycle Air, Brayton cycle. I look at the three elements and describe what happens in each one. THe I go throught a description of a rea jet… thermodynamics brayton cycle compressor combustor turbine efficiency jet engine From Stephen Beck 0 likes 452 plays 0 Optional Metadata - Department Aerospace Engineering
00:13 Kid falling off bike in reverse Kid falling off bike in reverse	Kid falling off bike in reverse Youtube video which I reversed. thermodynamics reverse energy From Stephen Beck 0 likes 221 plays 0 Optional Metadata - Department Aerospace Engineering
16:41 13c The Carnot cycle 13c The Carnot cycle	13c The Carnot cycle Here I introduce an example of the Carnot cycle (open using air). I show that it forms a rectangle on the T-S diagram. I then show that this is the maximum efficiency of a heat engine cycle as: 1)… thermodynamics carnot cycle t-s diagram efficiency From Stephen Beck 0 likes 393 plays 0 Optional Metadata - Department Aerospace Engineering
11:14 10e Open system examples 10e Open system examples	10e Open system examples Here I go through 2 examples of use of the SFEE for ideal gases. The fiart on is a turbine and the second one is an isothermal compressor. I show how to solve tese and what they mean. thermodynamics open systems heat work sfee isothermal turbine compressor From Stephen Beck 0 likes 471 plays 0 Optional Metadata - Department Aerospace Engineering
09:10 8d Linear interpolation 8d Linear interpolation	8d Linear interpolation Here I show how it is easy to get data that is not directly on the tables by interpolating. I givre an example and show the general equations. thermodynamics tables linear interpolation From Stephen Beck 0 likes 543 plays 0 Optional Metadata - Department Aerospace Engineering
10:01 8c Use of thermodynamic tables 8c Use of thermodynamic tables	8c Use of thermodynamic tables Here I show where the various values needed to solve thermodynamics problems can be found from the tables. thermodynamics ideal gas tables little book of thermofluids From Stephen Beck 0 likes 506 plays 0 Optional Metadata - Department Aerospace Engineering