/*! This file is auto-generated */ .wp-block-button__link{color:#fff;background-color:#32373c;border-radius:9999px;box-shadow:none;text-decoration:none;padding:calc(.667em + 2px) calc(1.333em + 2px);font-size:1.125em}.wp-block-file__button{background:#32373c;color:#fff;text-decoration:none} Problem 11 A thermopane window traps some g... [FREE SOLUTION] | 91影视

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Chapter 3: Problem 11

A thermopane window traps some gas between the two glass panes. Why is this beneficial?

Short Answer

Expert verified
Thermopane windows trap gas to reduce heat transfer, improving insulation and energy efficiency.

Step by step solution

01

Understand the Purpose of a Thermopane Window

Thermopane windows are designed with two or more glass panes separated by a space that traps a gas. This setup is for insulating purposes, improving the window's energy efficiency.
02

Recognize the Role of the Gas

The gas trapped between the panes reduces heat transfer across the window by conduction and convection. This makes the window more effective in maintaining indoor temperatures.
03

Assess the Benefits of Reduced Heat Transfer

By minimizing heat transfer, thermopane windows help keep interiors warmer in the winter and cooler in the summer, leading to energy savings on heating and cooling costs.

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Key Concepts

These are the key concepts you need to understand to accurately answer the question.

Heat Transfer Reduction
Heat transfer reduction is essential in maintaining comfortable indoor temperatures throughout the year. When heat is transferred from one area to another, it influences the temperature regulation within your home.
In the context of windows, heat transfer occurs through conduction, convection, and radiation.
  • Conduction: When heat passes through materials, like glass, from a warmer to a cooler area.
  • Convection: When heat is transferred by the movement of fluids or gases, such as air trapped between glass panes.
  • Radiation: Heat transfer through electromagnetic waves, which can penetrate glass.
By harnessing proper insulation methods, like using thermopane windows, heat transfer is significantly reduced. This ultimately leads to a more stable indoor climate and lower utility bills.
Thermopane Windows
Thermopane windows, often referred to as double-glazed windows, consist of two or more panes of glass with space between them. This space is the real star in improving energy efficiency.
The space between the panes is typically filled with a gas such as argon or krypton. These gases are less prone to heat conduction compared to air, which effectively boosts the window's insulation properties.
The main benefits of using thermopane windows include:
  • Improved insulation performance: Less heat is transferred through the window, maintaining a more constant indoor temperature.
  • Reduced energy bills: As the need for heating and cooling decreases, so does energy consumption.
  • Soundproofing: The added thickness and gas layer help in reducing outside noise, making your home quieter.
Thermopane windows represent a significant step forward in modern construction, providing both energy efficiency and comfort.
Energy Efficiency
Energy efficiency is all about using less energy to achieve the same or better results. Whether in cooling, heating, or lighting, improving energy efficiency is beneficial both economically and environmentally.
Thermopane windows contribute massively to the energy efficiency of a building. By trapping gas between panes, they reduce the need for supplemental heating and cooling. This has several advantages:
  • Lower energy bills: Homeowners and businesses save money by consuming less energy.
  • Reduced carbon footprint: Using less energy means burning fewer fossil fuels, which is better for the planet.
  • Enhanced comfort: A consistent indoor temperature ensures a pleasant living and working environment.
Investing in energy-efficient solutions, like thermopane windows, brings long-term benefits not only to the individual but also to our wider ecological system, promoting sustainable living.

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Most popular questions from this chapter

A hydraulic hoist raises a \(3650-\mathrm{lbm}\) car \(6 \mathrm{ft}\) in an auto repair shop. The hydraulic pump has a constant pressure of \(150 \mathrm{lbf} / \mathrm{in} .{ }^{2}\) on its piston. What is the increase in potential energy of the car, and how much volume should the pump displace to deliver that amount of work?

A piston motion moves a \(25-\mathrm{kg}\) hammerhead vertically down \(1 \mathrm{~m}\) from rest to a velocity of \(50 \mathrm{~m} / \mathrm{s}\) in a stamping machine. What is the change in total energy of the hammerhead?

Oxygen at \(50 \mathrm{lbf} / \mathrm{in} .{ }^{2}, 200 \mathrm{~F}\) is in a piston/cylinder arrangement with a volume of \(4 \mathrm{ft}^{3}\). It is now compressed in a poly tropic process with exponent, \(n=1.2\), to a final temperature of 400 F. Calculate the heat transfer for the process.

The solar flux is \(1377 \mathrm{~W} / \mathrm{m}^{2}\) towards Earth, of that about \(1000 \mathrm{~W} / \mathrm{m}^{2}\) reaches the surface. Table \(3.6\) says a PV panel can give about \(100 \mathrm{~W} / \mathrm{m}^{2}\). Mention some of the reasons for this drop in available flux.

A soap bubble has a surface tension of \(\sigma=3 \times\) \(10^{-4} \mathrm{~N} / \mathrm{cm}\) as it sits flat on a rigid ring of diameter \(5 \mathrm{~cm}\). You now blow on the film to create a half-sphere surface of diameter \(5 \mathrm{~cm}\). How much work was done?
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