Determine the payback period for the dimmer control system

Assignment Help Mechanical Engineering

Reference no: EM131231205

A 30 ft × 20 ft office space has a photosensor dimmer control working with installed lighting of 2 W/ft². The required workplace illuminance is 60 fc and the available daylighting is calculated as 40 fc on the summer peak afternoon. Determine the payback period for the dimmer control system assuming the following: 1-1/2 ton cooling installed for 600 ft² at $2200/ton, lighting control system cost at $1/ft², 30% reduction in annual lighting due to daylighting, $0.10/kW h electricity cost, and cooling for 6 months at a COPc = 2.5.

Reference no: EM131231205

Questions Cloud

Determine which of the three flow rate cases leads : Provide the necessary 12 in. diameter pipe length(s) that will deliver 1500 cfm of 75°F air if the ambient temperature is 85°F and the soil at 9 ft is 65°F.

Difference between life estate and an estate pur autre vie : Define each of the following terms with respect to the fee simple estate: Alienable: Transferable During its holder’s lifetime. Devisable: pass by will Descendible: Pass by statutes of intestacy if its holder dies without will. What is the difference..

Design a 9 ft deep ground-pipe system for dallas : Using data from Figure 9.14, design a 9 ft deep ground-pipe system for Dallas in June to deliver 1000 cfm at 75°F when the outside air temperature is 90°F.

What would be the forward premium or discount : What would be the forward premium or discount on the Mexican peso's forward rate? Would covered interest arbitrage be more profitable to U.S. investors than investing at home? Explain.

Determine the payback period for the dimmer control system : Determine the payback period for the dimmer control system assuming the following: 1-1/2 ton cooling installed for 600 ft2 at $2200/ton, lighting control system cost at $1/ft2, 30% reduction in annual lighting due to daylighting, $0.10/kW h electrici..

Enablers to prevention programs in managed health care plans : What do you think are some of the barriers and, more importantly, the "enablers" to prevention programs in managed health care plans to prevent diseases and how do you think those barriers could be eliminated?

Determine the illuminances on a vertical : Determine the illuminances (sun, sky, and ground-reflected) on a vertical, south-facing window at solar noon at 36°N latitude on June 21 and December 21 for

Create a balance sheet for a typical bank : Bank Balance Sheet - Create a balance sheet for a typical bank, showing its main liabilities (sources of funds) and assets (uses of funds).

Compute the inventory using lower of average cost or market : Compute the inventory for this department as of January 31, at Retail. Compute the inventory using lower of average cost or market.

User Account

All Pages