Evaluate the dimensionless groups hcD/k, U?? D/, cp /k for water, n-Butyl alcohol, mercury, hydrogen, air, and
Question:
Evaluate the dimensionless groups hcD/k, U?? Dρ/μ, cp μ/k for water, n-Butyl alcohol, mercury, hydrogen, air, and saturated steam at a temperature of 100?C. Let D = 1m, U?? = 1 m/sec, and hc = 1W/(m2 K).GIVEND = 1 mU?? = 1 m/shc = 1 W/(m2 K)From Appendix 2, at100?C
Transcribed Image Text:
Substance Table Density, p Specific Heat, Thermal Absolute Number (kg/m) c, ((J/kg K)) Conductivity Viscosity (W/(m K)) Hx 10 (N s'm) Water 13 958,4 277.5 4211 0.682 n-Butyl Alcohol 18 3241 0.163 540 753 Mercury 25 13,385 137.3 10.51 1242 Hydrogen 14,463 10.37 31 0,0661 0.217 Air 0.916 0.0307 21.673 27 1022 0.5977 2034 Saturated Steam 34 0.0249 12.10
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 53% (13 reviews)
For water at 100C The dimensionaless g...View the full answer
Answered By
Rohith Bellamkonda
I am studying in IIT Indore,the most prestigious institute of India.I love solving maths and enjoy coding
5.00+
1+ Reviews
10+ Question Solved
Related Book For
Principles of heat transfer
ISBN: 978-0495667704
7th Edition
Authors: Frank Kreith, Raj M. Manglik, Mark S. Bohn
Question Posted:
Students also viewed these Mechanical Engineering questions
-
A house is maintained at a temperature of 20oC by a heat pump pumping heat from the atmosphere. Heat transfer rate through the wall and roof is estimated at 0.6 kW per unit temperature difference...
-
A large body of nonluminous gas at a temperature of 1100?C has emission bands between 2.5 and 3.5 mm and between 5 and 8 mm. At 1100?C, the effective emittance in the first band is 0.8 and in the...
-
A house is maintained at a temperature of 25oC by a reversible heat pump powered by an electric motor. The outside air at 10oC is used as the low-temperature TER. Determine the percent saving in...
-
A red laser ( lambda r = 6 3 3 nm ) is shone through a narrow slit located 2 m from a screen. When the light source is replaced by a blue laser ( b = 4 8 8 nm ) the position of the first minimum of...
-
A marketing firm has done a study of market demand for DVDs of three different movies. Calculate the total revenue for each movie in columns 3, 5, and 7. u)(2) a) Price CA QB S10 100 -110 120 130 --...
-
How can herd behavior lead to a bubble in a financial market?
-
Repeat Example 8.1 for a parabolic collector with an evacuated tube receiver (case E in Figure 8.18a). Example 8.1 Figure 8.18a Derive a relationship for the efficiency of a parabolic collector with...
-
Midwest Mills has a plant that can mill wheat grain into a cracked wheat cereal and then further mill the cracked wheat into fl our. The company can sell all the cracked wheat cereal that it can...
-
Your assistant prepared the following bank reconciliation statement. It appears that the statement is unacceptable and the task of preparing a proper reconciliation falls upon you Balance per books...
-
The controversy over expensing of ESOs can be analyzed as a non- cooperative game. Let the two players be the standard setter and the large, powerful corporations that wish to prevent expensing. Each...
-
Evaluate the Stanton number for flow over a tube from the data below D = 10 cm U = 4 m/s = 13,000 kg/m3 = 1 103 N s/m2 cp = 140 J/(kg K) hc = 1000 W/(m2 K) GIVEN D = 10 cm U = 4 m/s = 13,000...
-
Suppose a fluid from the list below flows at 5 m/s over a flat plate 15 cm long. Calculate the Reynolds number at the downstream end of the plate. Indicate if the flow at that point is laminar,...
-
A review of the ledger of Khan Company at December 31, 2017, produces the following data pertaining to the preparation of annual adjusting entries. 1. Prepaid Insurance ¬9,300. The company has...
-
A block of mass 0.2 kg is pushed to be accelerated from rest to a speed of 4 m/s on a smooth surface. It then starts to climb up on a smooth slope. How high does the block climb on the slope until it...
-
Two ice skaters of identical mass approach on parallel paths 1.60 [m] apart. Both are moving at 5.40 [m/s]. As they pass they join hands, maintaining their 1.60 [m] separation, and begin rotating...
-
Discuss the intricacies of memory management in contemporary operating systems, highlighting techniques like virtual memory, demand paging, and memory segmentation .
-
Consider the following information and determine how Smith & Company's audit report should be dated. Explain your answer: ABC Bank's balance sheet is dated December 31, 2019. On January 12, ABC's...
-
Smith company (Smith) purchased a machine on December 2, 2021, at an invoice price of $45,000 with term 3/10, net of 30. On December 6, 2021, Smith paid $540 for the delivery of the machine. On...
-
The noncyclic group of order 4 has members \(\{\mathbf{E}, \mathbf{K}, \mathbf{L}, \mathbf{M}\}\), with product table (a) What are the classes of this group? (b) How many irreducible representations...
-
What are conversion costs? What are prime costs?
-
What is the difference between an allergy and an autoimmune response?
-
Square plates freshly sprayed with an epoxy paint must be cured at 140C for an extended period of time. The plates are located in a large enclosure and heated by a bank of infrared lamps. The top...
-
An apparatus commonly used for measuring the reflectivity of materials is shown below. A water-cooled sample, of 30-mm diameter and temperature Ts = 300 K, is mounted flush with the inner surface of...
-
A very small sample of an opaque surface is initially at 1200 K and has the spectral, hemispherical absorptivity shown. The sample is placed inside a very large enclosure whose walls has an...
-
Go into depth about the topic: Do women in the workplace still have to tolerate sexual harassment to advance or maintain their job positions? Why or why not? THE SCENARIO: You are human resource...
-
A pile group consists of nine friction piles in clay soil (see Figure 10-40). The diameter of each pile is 16 in., and the embedded length is 30 ft each. Center-to-center pile spacing is 4 ft. Soil...
-
Honest to Goodness Merchandising was registered as a Single Proprietorship by May Mendoza, the owner in the Department of Trade and Industry. Selected transactions for the month of July, 2019 are...
Study smarter with the SolutionInn App