• Thumbnail for Isentropic process
    An isentropic process is an idealized thermodynamic process that is both adiabatic and reversible.[excessive citations] The work transfers of the system...
    15 KB (2,182 words) - 07:38, 5 April 2024
  • Thumbnail for Polytropic process
    = 1 {\displaystyle n=1} for an isothermal process, n = γ {\displaystyle n=\gamma } for an isentropic process. Where γ {\displaystyle \gamma } is the ratio...
    6 KB (393 words) - 14:08, 1 January 2024
  • Thumbnail for Otto cycle
    quasi-parallel and isentropic processes (frictionless, adiabatic reversible). Left and right sides of the loop: a pair of parallel isochoric processes (constant...
    24 KB (4,254 words) - 10:17, 17 April 2024
  • Thumbnail for Compressor
    flow process can be calculated. dH = VdP +TdS Isentropic dS is zero. dH = VdP Non flow isentropic processes like some positive displacement compressors...
    50 KB (7,010 words) - 21:03, 12 February 2024
  • Thumbnail for Thermodynamic process
    energy from the system. An isentropic process is customarily defined as an idealized quasi-static reversible adiabatic process, of transfer of energy as...
    16 KB (2,191 words) - 02:42, 8 February 2024
  • Isentropic nozzle flow describes the movement of a gas or fluid through a narrowing opening without an increase or decrease in entropy. Whenever a gas...
    16 KB (2,671 words) - 18:13, 13 October 2023
  • Thumbnail for Brayton cycle
    by isentropic compression and expansion, and isobaric heat addition and rejection, though practical engines have adiabatic rather than isentropic steps...
    23 KB (3,030 words) - 11:11, 6 April 2024
  • the rotor i.e. R = Isentropic enthalpy change in rotor Isentropic enthalpy change in stage {\displaystyle R={\frac {\text{Isentropic enthalpy change in...
    10 KB (1,600 words) - 17:49, 21 March 2024
  • Thumbnail for Ideal gas
    ⁡ ( V V 0 ) = ln ⁡ ( P V γ P 0 V 0 γ ) ⟹ P V γ = c o n s t . for isentropic process {\displaystyle {\frac {\Delta S}{Nk{\hat {c}}_{V}}}=\ln \left({\frac...
    24 KB (3,848 words) - 15:45, 6 October 2023
  • Thumbnail for Isenthalpic process
    {\displaystyle dh=0=nc_{p}\,dT} . Adiabatic process Joule–Thomson effect Ideal gas laws Isentropic process G. J. Van Wylen and R. E. Sonntag (1985), Fundamentals...
    3 KB (476 words) - 16:24, 20 July 2022
  • Thumbnail for Ideal gas law
    the properties at state 1 using the equations listed. ^ a. In an isentropic process, system entropy (S) is constant. Under these conditions, p1V1γ = p2V2γ...
    33 KB (4,484 words) - 17:20, 6 April 2024
  • Thumbnail for Turboexpander
    high-pressure gas, the expansion is approximated by an isentropic process (i.e., a constant-entropy process), and the low-pressure exhaust gas from the turbine...
    19 KB (2,263 words) - 14:13, 25 February 2024
  • Thumbnail for Carnot cycle
    system (the gas) and its surroundings, so an isentropic process, meaning no entropy change in the process). Isothermal compression. Heat transferred reversibly...
    25 KB (3,215 words) - 05:42, 2 March 2024
  • Thumbnail for Temperature–entropy diagram
    of their T–s diagram. An isentropic process is depicted as a vertical line on a T–s diagram, whereas an isothermal process is a horizontal line. Carnot...
    3 KB (163 words) - 02:10, 8 January 2023
  • Thumbnail for Enthalpy–entropy chart
    isenthalpic process. A vertical line in the h–s chart represents an isentropic process. The process 3–4 in a Rankine cycle is isentropic when the steam...
    7 KB (802 words) - 05:15, 6 March 2024
  • Thumbnail for Thermodynamics
    are: Adiabatic process: occurs without loss or gain of energy by heat Isenthalpic process: occurs at a constant enthalpy Isentropic process: a reversible...
    46 KB (5,711 words) - 21:37, 18 April 2024
  • Thumbnail for Troposphere
    parcel; atmospheric compression and expansion are measured as an isentropic process ( d S = 0 {\displaystyle dS=0} ) wherein there occurs no change in...
    20 KB (2,466 words) - 01:35, 14 April 2024
  • Thumbnail for Prandtl–Meyer expansion fan
    the static pressure, temperature and density decrease. Since the process is isentropic, the stagnation properties (e.g. the total pressure and total temperature)...
    13 KB (1,916 words) - 16:47, 25 September 2023
  • Thumbnail for Heat capacity ratio
    sometimes also known as the isentropic expansion factor and is denoted by γ (gamma) for an ideal gas or κ (kappa), the isentropic exponent for a real gas...
    17 KB (2,318 words) - 02:22, 27 October 2023
  • Thumbnail for Bulk modulus
    distinctions are especially relevant for gases. For an ideal gas, an isentropic process has: P V γ = constant ⇒ P ∝ ( 1 V ) γ ∝ ρ γ , {\displaystyle PV^{\gamma...
    11 KB (1,309 words) - 01:45, 24 February 2024
  • -1}{2}}M^{2}\right)^{\frac {\gamma }{\gamma -1}}\,} or, assuming an isentropic process, the stagnation pressure can be calculated from the ratio of stagnation...
    4 KB (630 words) - 12:42, 21 July 2022
  • Thumbnail for Heat engine
    system during adiabatic process) isentropic (reversible adiabatic process, no heat is added or removed during isentropic process) Energy portal Carnot heat...
    29 KB (3,885 words) - 05:22, 21 February 2024
  • Thumbnail for Compressed-air energy storage
    near reversible isothermal process or an isentropic process is desired. In an isothermal compression process, the gas in the system is kept at a constant...
    59 KB (7,006 words) - 04:46, 17 April 2024
  • Outside Air Temperature Mach number Speed of sound Adiabatic process Isentropic process Specific enthalpy In-Flight Temperature Measurements Measurement...
    6 KB (912 words) - 11:56, 14 October 2022
  • Thumbnail for Steam turbine
    turbine. An ideal steam turbine is considered to be an isentropic process, or constant entropy process, in which the entropy of the steam entering the turbine...
    66 KB (9,348 words) - 19:58, 22 April 2024
  • Thumbnail for Carnot heat engine
    two adiabatic processes involved to show an isentropic process property for the ratio of the changing volumes of two isothermal processes are equal. Most...
    26 KB (3,370 words) - 05:37, 2 March 2024
  • Thumbnail for Third law of thermodynamics
    Suppose that the temperature of a substance can be reduced in an isentropic process by changing the parameter X from X2 to X1. One can think of a multistage...
    22 KB (2,975 words) - 07:53, 7 March 2024
  • Thumbnail for Stirling cycle
    heat-rejection processes is the Stirling cycle, which is an altered version of the Carnot cycle in which the two isentropic processes featured in the...
    13 KB (1,608 words) - 11:14, 14 October 2023
  • Thumbnail for Adiabatic process
    An adiabatic process (Greek: adiábatos, "impassable") is a type of thermodynamic process that occurs without transferring heat or mass between the thermodynamic...
    39 KB (5,883 words) - 02:47, 26 April 2024
  • between the Rayleigh and Fanno models at these points. Fanno flow Isentropic process Isothermal flow Gas dynamics Compressible flow Choked flow Enthalpy...
    10 KB (1,647 words) - 17:14, 7 August 2023