Definition of indicator diagram. Meaning of indicator diagram. Synonyms of indicator diagram

Here you will find one or more explanations in English for the word indicator diagram. Also in the bottom left of the page several parts of wikipedia pages related to the word indicator diagram and, of course, indicator diagram synonyms and on the right images related to the word indicator diagram.

Definition of indicator diagram

indicator diagram
3. (Mech.) The part of an instrument by which an effect is indicated, as an index or pointer. 4. (Zo["o]l.) Any bird of the genus Indicator and allied genera. See Honey guide, under Honey. 5. (Chem.) That which indicates the condition of acidity, alkalinity, or the deficiency, excess, or sufficiency of a standard reagent, by causing an appearance, disappearance, or change of color, as in titration or volumetric analysis. Note: The common indicators are litmus, trop[ae]olin, phenol phthalein, potassic permanganate, etc. Indicator card, the figure drawn by an engine indicator, by means of which the working of the engine can be investigated and its power calculated. The Illustration shows one form of indicator card, from a steam engine, together with scales by which the pressure of the steam above or below that of the atmosphere, corresponding to any position of the engine piston in its stroke, can be measured. Called also indicator diagram. Indicator telegraph, a telegraph in which the signals are the deflections of a magnetic needle, as in the trans-Atlantic system.
Indicator diagram
Diagram Di"a*gram, n. [Gr. ?, fr. ? to mark out by lines; dia` through + ? to draw, write: cf. F. diagramme. See Graphic.] 1. (Geom.) A figure or drawing made to illustrate a statement, or facilitate a demonstration; a plan. 2. Any simple drawing made for mathematical or scientific purposes, or to assist a verbal explanation which refers to it; a mechanical drawing, as distinguished from an artistical one. Indicator diagram. (Steam Engine) See Indicator card, under indicator

Meaning of indicator diagram from wikipedia

- An indicator diagram is a chart used to measure the thermal, or cylinder, performance of reciprocating steam and internal combustion engines and compressors...
- cardiovascular physiology, and respiratory physiology. PV diagrams, originally called indicator diagrams, were developed in the 18th century as tools for understanding...
- research design and social sciences Indicator diagram, a graph of pressure against stroke within a piston engine Indicator function of a subset of the domain...
- insurance inspectors. The engine indicator can also be used on internal combustion engines. See image of indicator diagram below (in Types of motor units...
- since 1819 he first saw a steam-engine indicator; on his return to England he emplo**** McNaught to make indicators for general use, and thenceforth he was...
- follow it) or demand that the indicator be removed from service (if not). Indicator diagram, a pressure-volume diagram measured on a piston engine Metrology –...
- The Hertzsprung–Russell diagram (abbreviated as H–R diagram, HR diagram or HRD) is a scatter plot of stars showing the relationship between the stars'...
- engineering, **** propulsion, boilers and boiler-making, and the indicator diagram. Born in Callington, Cornwall in 1834, Burgh married Elizabeth Parker...
- The variometer, also known as the vertical speed indicator (VSI) or the vertical velocity indicator (VVI), is the pitot–static instrument used to determine...
- purpose diagrams include: PV diagram T–s diagram h–s (Mollier) diagram Psychrometric chart Cooling curve Indicator diagram Saturation vapor curve Thermodynamic...