Thesis
Basics Of Thermodynamics
- Course
- Institution
The Top Ten Basics Of Thermodynamics You Need To Know
[Show more]
Seller
Follow
havmad
Content preview
Basics Of ThermodynamicsCertainly! Thermodynamics is a branch of physics that deals with the relationships and
conversions between heat and other forms of energy. Here are some key points and concepts
in thermodynamics:
1. Laws of Thermodynamics:
o First Law: Energy cannot be created or destroyed, only transferred or converted
from one form to another.
o Second Law: The entropy of an isolated system always increases over time,
indicating the tendency towards disorder or randomness.
o Third Law: As temperature approaches absolute zero (0 Kelvin), the entropy of a
system approaches a minimum value.
2. System and Surroundings:
o A thermodynamic system is a specific portion of the universe that is under
consideration, while the surroundings include everything outside the system
boundaries.
3. Types of Systems:
o Isolated System: Neither energy nor matter can exchange with the surroundings.
o Closed System: Energy can be exchanged with the surroundings, but not matter.
o Open System: Both energy and matter can be exchanged with the surroundings.
4. Processes and Cycles:
o Processes: Changes that a system undergoes from one equilibrium state to another
(e.g., isothermal, adiabatic, isobaric, isochoric).
o Cycles: Processes that form closed loops, returning the system to its initial state
(e.g., Carnot cycle, Rankine cycle).
5. Thermodynamic Variables:
o Pressure (P), Volume (V), and Temperature (T) are the primary variables used
to describe the state of a system. Additional variables include entropy (S) and
internal energy (U).
6. Heat and Work:
o Heat (Q): Energy transferred between a system and its surroundings due to
temperature difference.
o Work (W): Energy transferred to or from a system by means other than heat
transfer (e.g., mechanical, electrical).
7. Entropy (S):
o A measure of the disorder or randomness of a system. The Second Law of
Thermodynamics states that entropy tends to increase in isolated systems.
8. Applications:
o Thermodynamics has applications across various fields, including engineering
(e.g., engines, refrigeration systems), chemistry (e.g., chemical reactions), and
environmental science (e.g., climate modeling).
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller havmad. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.69. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
75619 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now