In a gas-fired boiler, water is boiled at 150C by hot gases flowing through 50-m-long, 5-cm-outer-diameter mechanically

Question:

In a gas-fired boiler, water is boiled at 150°C by hot gases flowing through 50-m-long, 5-cm-outer-diameter mechanically polished stainless-steel pipes submerged in water. If the outer surface temperature of the pipes is 165°C, determine

(a) The rate of heat transfer from the hot gases to water,

(b) The rate of evaporation,

(d) The surface temperature of the pipe at which critical heat flux occurs.

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Heat And Mass Transfer Fundamentals And Applications

ISBN: 9780073398181

5th Edition

Authors: Yunus Cengel, Afshin Ghajar

See More Books

Question Posted: Sep 23, 2023 08:18 AM

See More Questions

Repeat Prob. 1036 for a boiling temperature of 155C Data from problem 36 In a gas-fired boiler, water is boiled at 150C by hot gases flowing through 50-m-long, 5-cm-outer-diameter mechanically...
In a gas-fired boiler, water is boiled at 150C by hot gases flowing through a stainless steel pipe submerged in water. If the rate of heat transfer from the hot gases to water is 74 kJ/s, determine...
In a gas-fired boiler, water is boiled at 180oC by hot gases flowing through a stainless steel pipe submerged in water. If the rate of heat transfer from the hot gases to water is 48 kJ/s, determine...
An autoglass company located in Detroit produces mirrors for automobiles. The company supplies auto mirrors to a nearby Ford (The Ford Motor Company, Dearborn, MI) plant. The demand for mirrors from...
The cost of goods sold computations for Silver Company and Gold Company are shown below. Instructions (a) Compute inventory turnover and days in inventory for each company. (b) Which company moves...
A pharmaceutical company manufactures a particular brand of antihistamine tablets. In the quality control division, certain tests are routinely performed to determine whether the product being...
Reconsider the data in the previous problem. The response measurements in the two columns were collected on two different days. Fit a new model \[ y=\theta_{3} x_{2}+\theta_{1} e^{\theta_{2}...
All airplane passengers at the Lake City Regional Airport must pass through a security screening area before proceeding to the boarding area. The airport has three screening stations available, and...
Bernie is single and has never made any prior gifts. In 2 0 2 0 , he makes the following gifts of cash: $ 1 1 5 , 0 0 0 to Donald; $ 1 5 , 0 0 0 to Elizabeth; $ 5 , 0 0 0 to Amy; $ 2 0 , 0 0 0 to...
(m) Each of the numbers you just computed will lead to an estimated diameter (in km) of the Sun. To calculate that estimated diameter, you must do the following. 1. First, calculate how many...
A 2-mm-diameter cylindrical metal rod with emissivity of 0.5 is submerged horizontally in water under atmospheric pressure. When electric current is passed through the metal rod, the surface...
A 10 cm 10 cm horizontal flat heater is used for vaporizing refrigerant-134a at 350 kPa. The heater is supplied with 0.35 MW/m 2 of heat flux, and the surface temperature of the heater is 25C. If...
A reagent occasionally used in chemical synthesis is sodiumpotassium alloy. (Alloys are mixtures of metals, and Na-K has the interesting property that it is a liquid.) One formulation of the alloy...
Examine the methods for measuring attitudes.
What is the alternative view to cognitive dissonance?
Consider the importance of genetic factors and emotion (including happiness) in the study of job satisfaction.
Identify the component parts of commitment.
Comment on the interaction between decision styles and neurological functioning in the way information is processed in decision making.
What is credit card fraud? Briefly describe the three types of credit card fraud presented in the chapter.
In a nonmagnetic medium, E = 50 cos (10 9 t 8x) a y + 40 sin (10 9 t 8x) a z V/m find the dielectric constant r and the corresponding H.
The ducted fan unit of mass m is supported in the vertical position on its flange at A. The unit draws in air with a density and a velocity u through section A and discharges it through section B...
The leaf blower draws in air at a rate of 400 ft 3 /min and discharges it at a speed v = 240 mi / hr. If the specific weight of the air being drawn into the blower is 7.53(10 2 ) lb /ft 3 , determine...
The experimental ground-effect machine has a total weight of 4200 lb. It hovers 1 or 2 ft off the ground by pumping air at atmospheric pressure through the circular intake duct at B and discharging...
Marin Company makes several products, including canoes. The company reports a loss from its canoe segment (see below). All its variable costs are avoidable, and $330,000 of its fixed costs are...
Blossom Corporation had the following transactions. 1. Sold land (cost $11,800) for $14,800. 2. Issued common stock at par for $20,000. 3. Recorded depreciation on buildings for $16,800. 4. Paid...
The following transactions apply to Walnut Enterprises for Year 1, its first year of operations: 1. Received $42,500 cash from the issue of a short-term note with a 6 percent interest rate and a...

In a gas-fired boiler, water is boiled at 150C by hot gases flowing through 50-m-long, 5-cm-outer-diameter mechanically

Question:

Step by Step Answer:

a The rate of heat transfer from the hot gases to water To calculate the rate of heat transfer from the hot gases to water we need to use the followin...View the full answer

Heat And Mass Transfer Fundamentals And Applications

Students also viewed these Engineering questions