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Free online university thermodynamics cheat sheet with key equations needed to solve thermodynamic processes.
Variation of pressure with depth: Apply between two points in the same fluid. Where “below” refers to point at lower elevation and “above” at higher elevation. 1 2 x and x are the initial and final displacements of the spring. During actual exp/comp process of gases, P and V are related by PVn=C.
Basic Thermodynamic Formulas (Exam Equation Sheet) Control Mass (no mass flow across system boundaries) Conservation of mass: 𝑚= 𝑐𝑐𝑐𝑐𝑐𝑐𝑐𝑐. Conservation of energy (1st Law): 𝑄−𝑊= ∆𝐸 = ∆𝑈+ ∆𝐾𝐸+ ∆𝑃𝐸 = 𝑚 ∆𝑢+ 𝑣2 2−𝑣 1 2 2 + 𝑔(𝑧2−𝑧1)
The Thermodynamics Formula Sheet is ideal for those students who are struggling to find all formulas of Thermodynamics when they need it. The formula Sheet is an organised study material which can help you go through all the Thermodynamics principles and rules so that you can better understand this Physics topic and perform well in the relevant ...
Physics formulas from Mechanics, Waves and Oscillations, Optics, Heat and Thermodynamics, Electricity and Magnetism and Modern Physics. Also includes the value of Physical Constants. Helps in quick revision for CBSE, NEET, JEE Mains, and JEE Advanced.
Thermodynamics . 𝑎𝑎𝑈𝑈 = 𝑄𝑄 + 𝑊𝑊 (1st Law) 𝑈𝑈 = 3 2 𝑛𝑛 𝑅𝑅𝑇𝑇(internal energy of a monatomic ideal gas for fixed 𝑛𝑛) 𝐶𝐶. 𝑉𝑉 = (3/2)𝑅𝑅 = 12.5 J/(mol ∙K) (specific heat at constant volume for a monatomic ideal gas) 𝑄𝑄. 𝐻𝐻 + 𝑄𝑄. 𝐶𝐶
The thermodynamic identity: dU = T dS − P dV + μdN. Heat engine: Qh = Qc + We. In the context of heat engines we let We be positive when energy is leaving the system. This is thus an exception from the ordinary sign convention. Efficiency: e = benefit/cost = We/Qh. Enthalpy: H = U + P V and dH = T dS + V dP + μdN.
EngineeringNotes.net 2 Thermodynamics. Key Equations . Clausius’s Inequality. Actual Efficiency . For a Reversible Cycle & Process: General Efficiency, 𝜂 𝜂= K Q P L Q P 𝑖 Q P ∮ =0 2. − 1 =∫ 2 1. For an Irreversible Cycle & Process: Thermal Efficiency 𝜂 çℎ. 𝜂 çℎ = á ç 𝐻. 𝜂 çℎ =1− 𝐶 𝐻. ∮
Enthalpy, ΔH, is the measure of heat energy in a system at constant pressure. Enthalpy change when one mole of a substance is made from its elements in standard conditions. Entropy, ΔS, is the measure of disorder in a system. A higher entropy = A greater amount of disorder. Solids < Liquids < Gases.
Formula Units; Quality . Specific Volume . Specific Internal Energy . Specific Enthalpy . Specific Heat Ratio . Ideal-Gas Law . Equations . Gas Constant . Compressibility Factor Z . Reduced Properties . Pseudo-Specific Volume