A pressure–volume diagram (or PV diagram, or volume–pressure loop) is used to describe corresponding changes in volume and pressure in a system. They are...
10 KB (1,168 words) - 00:37, 4 July 2024
Carnot cycle (section The temperature–entropy diagram)
or refrigerator is best understood by using a temperature–entropy diagram (T–S diagram), in which the thermodynamic state is specified by a point on a graph...
25 KB (3,234 words) - 11:00, 28 August 2024
Carnot heat engine (section Carnot's diagram)
original piston-and-cylinder diagram used by Carnot in discussing his ideal engine. The figure at right shows a block diagram of a generic heat engine, such...
26 KB (3,319 words) - 10:58, 7 July 2024
purpose diagrams include: PV diagram T–s diagram h–s (Mollier) diagram Psychrometric chart Cooling curve Indicator diagram Saturation vapor curve Thermodynamic...
9 KB (1,235 words) - 19:26, 9 April 2024
thermodynamics, in terms of the values of variables at the critical point. On a PV diagram, the critical point is an inflection point. Thus: ( ∂ P ∂ V ) C = 0 {\displaystyle...
786 bytes (108 words) - 20:01, 29 June 2024
Work (thermodynamics) (redirect from PV work)
fact that it does not make sense to refer to the work on a point in the PV diagram; work presupposes a path. There are several ways of doing mechanical work...
45 KB (7,024 words) - 00:53, 3 June 2024
during a thermodynamic cycle is zero, it forms a closed loop on a PV diagram. A PV diagram's Y axis shows pressure (P) and X axis shows volume (V). The area...
18 KB (2,835 words) - 22:51, 3 December 2023
inflection point in the constant-temperature line (critical isotherm) on a PV diagram. This means that at the critical point: ( ∂ p ∂ V ) T = 0 , {\displaystyle...
21 KB (1,980 words) - 06:10, 4 August 2024
higher order on the pressure. Also at Boyle temperature the dip in a PV diagram tends to a straight line over a period of pressure. We then have d Z d...
2 KB (302 words) - 02:09, 30 March 2023
1 and 3 are isothermal, whereas processes 2 and 4 are isochoric. The PV diagram is a particularly useful visualization of a quasi-static process, because...
16 KB (2,191 words) - 07:41, 19 May 2024
Enthalpy–entropy chart (redirect from Mollier diagram)
{\displaystyle H=U+pV\,\!} (or, in terms of specific enthalpy, specific entropy and specific volume, h = u + p v {\displaystyle h=u+pv\!} ). The diagram was created...
7 KB (804 words) - 13:54, 9 August 2024
Photovoltaic system (redirect from Grid-connected PV electric system)
A photovoltaic system, also called a PV system or solar power system, is an electric power system designed to supply usable solar power by means of photovoltaics...
124 KB (13,806 words) - 22:17, 11 August 2024
pressure vs. volume plot (pressure–volume diagram). A number of methods have been determined for measuring PV-loop values experimentally. Real-time left...
21 KB (2,725 words) - 00:39, 4 July 2024
Hybrid power (redirect from PV diesel hybrid system)
Hybrid power plants often contain a renewable energy component (such as PV) that is balanced via a second form of generation or storage such as a diesel...
40 KB (3,792 words) - 08:03, 3 September 2024
step the state of the cooler is the same as in the beginning. In the pV diagram (Fig.3) the corresponding cycle consists of two isotherms and two isochores...
15 KB (2,096 words) - 03:18, 13 July 2024
measured and fed back to the controller. The accompanying diagram shows a control loop with a single PV input, a control function, and the control output (CO)...
12 KB (1,423 words) - 11:51, 9 July 2024
Ideal gas law (redirect from PV=nRT)
gas law is often written in an empirical form: p V = n R T {\displaystyle pV=nRT} where p {\displaystyle p} , V {\displaystyle V} and T {\displaystyle...
33 KB (4,572 words) - 18:28, 10 September 2024
Solar cell (redirect from Pv cell)
A solar cell or photovoltaic cell (PV cell) is an electronic device that converts the energy of light directly into electricity by means of the photovoltaic...
150 KB (17,048 words) - 03:32, 11 September 2024
Lenoir cycle (section Cycle diagrams)
PV diagram of the Lenoir cycle...
6 KB (947 words) - 20:58, 2 March 2023
course in which students explore thermodynamics with kinetic theory; PV diagrams and probability; electrostatics; electrical circuits with capacitors;...
9 KB (766 words) - 20:26, 28 August 2024
Burgh published was on the indicator diagram, since the early 20th century named pressure volume diagram or PV diagram. This was the first (and only) book...
19 KB (2,703 words) - 04:45, 18 July 2024
In thermodynamics, a temperature–entropy (T–s) diagram is a thermodynamic diagram used to visualize changes to temperature (T ) and specific entropy (s)...
3 KB (163 words) - 02:10, 8 January 2023
rotary reaction or force. A more ideal combustion dynamic, a look at a PV diagram of the "ideal IC engine" and one will find that the combustion event ideally...
15 KB (1,907 words) - 13:54, 4 September 2024
skeleton from Vale Verde, UFRGS-PV-0152-T, was studied by Nesbitt (2011) along with the Munich lectotype and UFRGS-PV-0156-T. It is anatomically similar...
37 KB (4,315 words) - 07:38, 29 April 2024
difference between a desired setpoint (SP) and a measured process variable (PV) and applies a correction based on proportional, integral, and derivative...
83 KB (11,849 words) - 10:47, 11 September 2024
The control system compares the value or status of the process variable (PV) being controlled with the desired value or setpoint (SP), and applies the...
9 KB (1,669 words) - 17:52, 8 September 2024
two-stroke). IMEP may be determined by planimetering the area in an engine's pV-diagram. Since naturally aspirated four-stroke engines must perform pumping work...
10 KB (1,481 words) - 21:04, 21 May 2024
vy, vz), the transformed point Pv would be P v = [ 1 0 0 0 1 0 0 0 0 ] [ v x v y v z ] = [ v x v y 0 ] {\displaystyle Pv={\begin{bmatrix}1&0&0\\0&1&0\...
12 KB (1,668 words) - 23:36, 11 March 2024
by using diagrams such as h-T diagrams, h-P diagrams, and others. Commonly used are the so-called T-s diagrams. Figure 2 shows the T-s diagram of nitrogen...
33 KB (4,464 words) - 11:28, 15 August 2024
Solar inverter (redirect from Pv inverter)
A solar inverter or photovoltaic (PV) inverter is a type of power inverter which converts the variable direct current (DC) output of a photovoltaic solar...
57 KB (6,906 words) - 11:00, 6 September 2024