The pressure and temperature at the beginning of compression of an air-standard Diesel cycle are 80 kPa and 300 K, respectively. At the end of the heat addition, the pressure is 6821 kPa and the temperature is 1950 K.

The pressure and temperature at the beginning of compression of an air-standard Diesel cycle are 80 kPa and 300 K, respectively. At the end of the heat addition, the pressure is 6821 kPa and the temperature is 1950 K.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Similar questions

please provide the answer with all steps and details
A:-Prove that the efficiency of Otto cycle is 1 =D1 =1: rek-1 Otto B:- The bore and stroke of an internal • combustion engine working on Otto cycle are (17 cm) and (30 cm) respectively. If the total volume is (8.825 cm³),find the air standard efficiency. Take X=1.4 C-What are the assumptions made in air • .standard cycle analysis
with given,find,figure,analysis, and interpretation
THERMODYNAMICS Consider an air-standard Otto cycle with a heat addition of 800 Btu/bm of air, a compression ratio of 7, and a pressure and temperature at the start of the compression process of 13 lbf/in2, 50 F to simulate an actual spark-ignition engine. Determine the maximum pressure and temperature of the cycle, the thermal efficiency of the cycle, and the mean effective pressure assuming the variation of specific heat with the value from table A-19E Show Complete solution on a paper.
Diesel cycle releases 1750 J/mol ofheat. The pressure and temperature at the begin-ning of the compression step are 1 bar and 50°C,and the pressure at the beginning of the expansionis 5 bar. The working fluid is an ideal gas for whichcP= 7R/2 andcV= 5R/2. (a) What is the tem-perature at the end of the adiabatic expansion? (b)What is the heat absorbed by the engine? (c) Whatis the compression ratio? (d) What is the work doneduring the compression step?
4
Please don't use chatgpt. I am confused with the sign (direction). Please explain correctly if you are not sure just leave it to others.
A Rankine cycle with a thermal efficiency of 42% produces 100 kW of net power. What is the rate of heat transfer into the boiler? Round your answer to the nearest whole number.
An air-standard Compression Ignition cycle has a compression ratio of 18.2. Air is at 32000R at the end of the heat addition process. Neglecting the variation of specific heats with temperature,determine the following:a. Cut-off ratiob. Net output work of the cyclec. Heat rejection per unit mass, Btu/lbd. Thermal efficiency of the cycle(%). Compare this efficiency value if the cycle has to run on an airstandard Carnot Cycle.
An Otto cycle begins its compression at 94kPa, 1230cm^3 and 11degC. The dispalacement volume and maximum temperature within the cycle is 1090cm^3 and 920degC and respectively. Utilizing air standard assumptions, determine the: a. heat addition and Wnet (kJ) b. thermal efficiency (%)c. mean effective pressure (kPa) Consider the cycle as a model of the process in each cylinder of a spark-ignition engine. Show the T-s and P-v diagrams when solving. Note that specific heats are not constant
4- An engineer has designed an efficient and economic engine to receive 500kJ of heat per cycle from a boiler at 652C and rejects heat to a river at 39C to maintain the environmental and health regulation. (a) What's the highest thermal efficiency level for this engine? (b) the amount of heat rejected to the river per cycle for case (a) to meet the public health, safety and environmental regulation.
M Gmail X E 2 98 (1) YouTube Maps * Question Completion Status: Boiler News POR A 3 Reheater 4 P4= Ps= Preheat Ho 2 Pump Condenser Q 11 The following data was given for a steam power plant operating on the ideal reheat Rankine cycle. 3-4: Inlet steam at 17.5 MPa and 600 °C 6-1: inlet steam at a pressure of 11.16 kPa at a wetness fraction of 0.1. At state 1, the specific volume is 0.00101 m³/kg Calculate the thermal efficiency of the cycle to 1 decimal place. Click Save and Submit to save and submit.. Click Save All Answers to save all answers. © w Translate High-P turbine He Low-P turbine acer A 19°C Sunny ^