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consider the power plant in problem 941 assume that the high temperature source is a flow of liquid water at 120c into
1 do the previous problem with ammonia as the working fluid2 a concentrated solar power plant receives the energy from
steam enters the turbine of a power plant at 5 mpa 400c and exhausts to the condenser at 10 kpa the turbine produces a
for the steam power plant described in problem 913 assume the isentropic efficiencies of the turbine and pump are 85
1 a steam power cycle has a high pressure of 30 mpa and a condenser exit temperature of 45c the turbine efficiency is
assume a variation of the cycle in problem 949 with a closed fwh at 08 mpa and one open fwh at 100 kpa a pump is used
a smaller power plant produces 25 kgs steam at 3 mpa 600c in the boiler it cools the condenser to an exit temperature
notice that the configuration in fig 929 has the left-hand side column of devices substitute for a compressor in the
1 the performance of an ammonia absorption cycle refrigerator is to be compared with that of a similar
find the exergy of the water at all four states in the rankine cycle described in problem 916 assume that the
find the flows and fluxes of exergy in the condenser of problem 929 use them to determine the second law efficiency t0
consider a cascade of three activators xrarryrarr z protein x is initially present in the cell in its inactive form the
find the second-law efficiency for the open fwh in problem 940problem 940an open fwh receives steam at 1 mpa 200c from
find the second-law efficiency for the closed fwh in problem 951problem 951a closed fwh in a regenerative steam power
switch-like behavior in cooperative binding- derive the expressions of c and a as a function of b at the steady state
for problem 958 consider the boilersuper heater find the exergy destruction in this setup and the second-law efficiency
consider the case of a competitive binding of an activator a and a repressor r with d and assume that before they can
consider the following modification of the competitive binding reactionswith atot a c nbsp cprime what are the steady
assume that we have an activator ba and a repressor protein br we want to obtain an input function such that when a
steam is supplied in a line at 3 mpa 700c a turbine with an isentropic efficiency of 85 is connected to the line by a
transcriptional regulation with delay- consider a repressor or activator b modeled by a hill function fb show that in
consider the form of the hill function in the presence of an activator with some basal level of expression given in
a new air conditioner using r-410a is used in heat pump mode the high pressure is 2000 kpa and the low pressure is 400
another model for the phosphorylation reactions referred to as one-step reaction model is given by z x --rarr
1 competitive inhibition derive the expression of the production rate of xlowastnbspin a phosphorylation cycle in the