Question: In a counter-current flow heat exchanger, temperature difference between hot and cold fluid at all positions is held constant. If effectiveness of the heat

In a counter-current flow heat exchanger, temperature difference between hot and cold

In a counter-current flow heat exchanger, temperature difference between hot and cold fluid at all positions is held constant. If effectiveness of the heat exchanger is 0.65 and heat capacity ratio of hot and cold fluids is 1, the number of transfer units is

Step by Step Solution

★★★★★

3.27 Rating (171 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

The detailed ... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Mechanical Engineering Questions!

At a particular location in a counter current gas absorber, the mole fraction of the transferring species (solute A) in the gas phase is 0.030, and the mole fraction of this species in the liquid...

At a particular location in a counter current stripper for removal of solute A from a liquid stream, the mole fraction of solute A in the gas phase is 0.010, and the mole fraction of this species in...

In a counter current heat exchanger which has been in service for some time, due to formation of scale, the heat transfer rate is reduced to 85% of its original value based on clean surface. Assuming...

Which distance perception cue of sound is analogous to the relative size cue in depth perception? a. Amount of reverbrant energy b. Aerial perspective c. Spectral composition d. Rela

A double pipe parallel flow heat exchanger is used to heat a cold fluid ( diesel ) at m = 0 . 5 k g s e c , see Figure 1 . The cold fluid inlet temperature is t = - 5 C . The hot fluid is water that...

Direct Labor Variances Advanced Micro Devices develops high-performing computing products. Assume one of its processors, Ryzen 7 Pro, has a standard labor time of 0.25 hour and a standard labor rate...

A shell - and tube heat exchanger is to be utilized. The cold fluid will enter the exchanger on the shell side at a flow rate of 7 8 k g s - 1 a 3 5 C and 1 0 bars, and the hot fluid will enter on...

A concentric tube ( parallel flow ) heat exchanger is built and operated as shown in the illustration be - low. e purpose of the heat exchanger is to use heat from a hot - water waste stream to heat...

A hardworking PhD student fabricated a concentric parallel flow heat exchanger test rig to perform the preliminary experimentation based on the following data. T C i = 4 0 C , T h i = 1 5 0 C , C C =...

Need a help on writing a conclusion for heat exchanger experiment Experiment HE: Heat Exchangers Objective To investigate the effect on the overall heat transfer coefficient and on the effectiveness...

Walk & Talk Inc. makes walkie talkies - handheld, portable, two-way radio transceivers. They are used in setting where mobile phone communication may be costly or impractical, including outdoor...

Question 17 Assume that a firm has EBIT of $15,584,650, a tax rate of 40.0 percent, total invested capital of $68,600,000, and a weighted average cost of capital (WACC) of 12.904 percent. Given this...

How do the following situations illustrate the features of psychological egoism and/or ethical egoism, or how do they illustrate the limitations and challenges to psychological egoism and ethical...

differentiate the function ( x + 1 ) / ( x ^ 3 + x - 6 )

For a voltage V-210 sin 170xt, find the root-mean-square voltage for one period. Vrms = (Round to the nearest integer as needed.)

beneficial effects of this advertising will last 4 years. Read the requirements. Requirements 1. Calculate residual income, assuming Doorharmony defines investment as total assets. 2. Calculate EVA...

Planning: Creating an Audience Profile; Collaboration: Team Projects. Compare the Facebook pages of three companies in the same industry. Analyze the content on all available tabs. What can you...

The heat of solution of ammonia in water at 1 atm is Hs (25C, r = 2 mol H2O/mol NH3) = 78.2 kJ/mol Calculate the enthalpy change that accompanies the dissolution of 400 mol of NH3 in 800 mol of water...

Five liters of liquid n-hexane and 4 liters of liquid n-heptanes are mixed and burned with 4000 gram- moles of air. Not all of the hydrocarbons are burned in the furnace, and both CO and CO 2 are...

On a cold winter day the temperature is 2C and the relative humidity is 15%. You inhale air at an average rate of 5500mL/min and exhale a gas saturated with water at body temperature, roughly 37C. If...

The comparative financial statements of Sunset Pools Inc. for 2017, 2016, and 2015 included the following selected data: Requirements 1. Compute these ratios for 2017 and 2016: a. Current ratio b....

The cash data of Navajo Products for September 2017 follow: On September 30, 2017, Navajo received this bank statement: Explanation: BC-bank collection, EFT-electronic funds transfer,...

The Cash account of SWITZER Ltd. reported a balance of $2,500 at August 31, 2017. Included were outstanding cheques totalling $900 and an August 31 deposit of $500 that did not appear on the bank...