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what is the expected cycle service level (aka type 1 service level)? How can one avoid the bullwhip effect or at least reduce its consequences? list at least two highlyeffective remedies.
Air is throttled from 1.00 MPa and 30.0°C to 0.100 MPa in a steady flow, adiabatic process. Assuming constant specific heat ideal gas behavior and ignoring any changes in kinetic and potential
Calculate the fugacity and fugacity coefficient of carbon dioxide at 100F and 200psia from the data.
A steam turbine is limited to a maximum inlet temperature of 800.°C. The exhaust pressure is 0.0100 MPa, and the moisture in the turbine exhaust is not to exceed 9.00%.
Analyze a hydrogen JT cycle with isothermal compression occurring at 300K with an outlet pressure 2 times the Hydrogen critical pressure.
An air conditioner operating at steady state maintains a dwelling at 20oC on a day when the outside temperature is 35oC. Energy is removed by heat transfer from the dwelling at a rate of 2800 J/s wh
The wedge velocity follos the relations Vx = 1.5(1-100(t-0.1^2)). Determine the relationship for the "y" position of the follower as a function of "x".
A diesel engine develops 110 kW and uses 0.245 kg of fuel per kWh effective. The fuel-efficient heating value is 42,500 kJ / kg. Calculate the engine's efficiency.
Plot the first order polynomial second order polynomian and third order polynomia to these data. Plot both data points (with'o') and function line ('-') on the same plot.
An ideal regenerative steam power cycle operates so that steam enters the turbine at 30 bars and 500 degrees Celcius and exhausts at 0.1bars. A single open feed water heater is employed which operat
Find out the coefficients m and b of the function you decided from (1) and plot the original data with this function on the same plot.
The displacement function u(x) for a tensile specimen of uniform cross section and length, L, fixed at one end and subjected to a displacement d at the other, is just the linear relation u(x)=(x/L)d
An ideal Diesel cycle with air as the working fluid has a compression ratio of 22 and a cutoff ratio of 2.5. At the beginning of the compression process, the working fluid is at 14.7 psi, 80 °F,
Assume that the funding can be set aside in an account that earns 5% interest per year. What is the lump sum to be set aside now in order to cover the $48,000 in annual maintenance costs?
A diesel cycle, with compression ratio of 18 operates on air with a low pressure of 200KPa and a low temperature 200C . If work out put is 1000Kj/Kg , determine the thermal efficiency and the MEP.
A compressive force of 100kN is applied to one side, while a tension force of 200 kN is applied to a second side. What is the change in length in the unloaded direction?
Consider the heating of an incompressible fluid with velocity Um inside a thin - walled tube. The diameter of the tube is D. Heating is in the hydrodynamically and thermally developed region and the
Stray heat transfer from the heat exchanger may be neglected. Consider constant specific heats for both water and air. Calculate the rate of entropy generation (kW/K) for the heat exchanger.
Two forces P and Q are applied as shown at point A of a hook support knowing that P = 15N and Q = 25N, determine graphically the magnitude and direction of their resultant using (a) parallelogram l
A hair dryer consumes 1200w of electric power when running the inlet volume flow rate and the exit velocity of air are to be determined?
Consider a steam power plant that operates on a regenerative ranking cycle and has a net power output of 150MW .steam entersvthe turbine at 10Mpa and 500 degrees celsuis and the condenser at 10Kpa .
A compressor is used to bring saturated water vapor at 150 lbf/in2 up to 2,500 lbf/in2, where the actual exit temperature is 1200 F. Find the isentropic compressor efficiency and the entropy genera
The viscoelastic response of a common orthopedic polymer is represented using a Maxwell model, so that the spring constant represents the material elastic modulus E (MPa) and the dashpot constant re
Calculate first the temperature at the center of one face after 1 min, then determine the temperature at the center of any of the six faces after one minute.
A steel (thermal diffusivity 0.00001172, k=43) cylinder 10 cm in diameter and 10 cm long is initially at 300°C. Find temperature at the center of the solid after two minutes.