An ideal Diesel cycle with air as the working fluid has a compression ratio of 18.3 and a cut off ratio of 1.83. At the beginning of the compression process, the working fluid is at 14.7psia, 80°F, and 112.56in. Utilizing the cold-air-standard assumptions, determine: a. the temperature of the air at the exhaust point of the cycle (°F) b. the Heat rejection (Btu) the mean effective pressure (psi) с.
Theory and Design for Mechanical Measurements
Measurement is a term that refers to analyzing a manufactured component regarding the degree of accuracy for dimensions, tolerances, geometric profile, roundness, flatness, smoothness, etc. Measurement always involves comparing the manufactured component or the prototype with a standard specimen whose dimensions and other parameters are assumed to be perfect and do not undergo changes with respect to time.Precisely in mechanical engineering the branch that deals with the application of scientific principles for measurements is known as metrology. The domain of metrology in general deals with various measurements like mechanical, chemical, thermodynamic, physical, and biological measurements. In mechanical engineering, the measurements are limited to mechanical specific such as length, mass, surface profile, flatness, roundness, viscosity, heat transfer, etc.
Basic principles of engineering metrology
Metrology is described as the science of measurement, precision, and accuracy. In other words, it is a method of measurement based on units and predefined standards.
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