Determine the numbers of lamps and luminaries

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Reference no: EM131345599


Part 1

1. A classroom 80'x60' with a 11' ceiling will be illuminated for reading and transcribing handwriting in ink or medium pencil on good-quality paper. Uniform lighting is required throughout the room. Desks in the classroom are 3' high. All ceilings and walls are to be painted medium-color and soft 40 watt fluorescent lamps are selected for long-term eye comfort, 2-lamp-and-4'-long luminaries are used, luminaries are to be ceiling mounted, and all luminaries are to be cleaned every six months. Please determine the numbers of lamps and luminaries and develop the light layout.

2. Everything remains the same as that of Question 1 except that the luminaries are suspended from 25' ceiling. Please determine the numbers of lamps and luminaries and develop the light layout.

Part 2

1. There are six Walmart stores in Eastern Kentucky. Their coordinates are identified (in mile): P1 (60, 180), P2 (150, 250), P3 (5, 90), P4 (210, 120), P5 (70, 10), and P6 (170, 50). A new distribution center is planned to supply merchandise to these six stores. The cost per unit distance traveled between the distribution center and each store is the same. The number of freight truck trips per week between the distribution center and the store 1, 2, 3, 4, 5 and 6 are expected to be 20, 10, 50, 60, 25 and 30, respectively. (50 pts)

1) Please identify the best location for the new distribution center. Your submission needs to include:

a) The m-file
b) The calculated minimum cost and the location coordinates

2) The best place identified in 1) is unfortunately located in the middle of a lake. Thus, an iso-cost contour map is needed to figure out possible alternative locations. Please calculate the iso-cost contour map of this question. Your submission needs to include:

a) The m-file.
b) A large-area, coarse map with labels. Please mark the identified best location, P1, P2, P3, P4, P5, and P6 on this contour map.
c) A small-area (zoom in on the center), fine map without labels.

3) Compare 1) and 2)'s results and check if the coordinate location in 1) matches the center of the contour lines in 2).

Reference no: EM131345599

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