Positive Displacement Machine Noise Reduction Quiz
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Questions and Answers

Explain the purpose of the project titled 'Identification and reduction of noise sources in positive displacement machines.'

The purpose of the project is to identify and reduce the noise sources in positive displacement machines to achieve quiet operation in various applications.

Who are the project proposers for the project proposal code PP2023_04?

Dr Juan Guzman-Inigo and Dr Thibaud Plantegenet

What are some applications where quiet operation of positive displacement compressors/expanders is required?

Applications include compressors for heat pumps in home applications, passenger transport vehicles, and various mobile machines operating in streets and residential areas.

What are the main sources of noise in positive displacement machines (PDMs)?

<p>The main sources of noise are mechanical sources produced by vibration and/or periodic contact.</p> Signup and view all the answers

Name one approach to reduce the noise emissions of positive displacement compressors/expanders.

<p>One approach is the use of silencers in discharge pipes or sound insulators, but the most effective approach is the reduction of noise at the source.</p> Signup and view all the answers

What is the most effective approach to reduce the noise emissions of positive displacement machines?

<p>Reduction of noise at source</p> Signup and view all the answers

In which applications are positive displacement compressors/expanders used where quiet operation is required?

<p>Heat pumps in home applications</p> Signup and view all the answers

Who are the project proposers for the project proposal code PP2023_04?

<p>Dr. Juan Guzman-Inigo and Dr. Thibaud Plantegenet</p> Signup and view all the answers

What are the main sources of noise in positive displacement machines (PDMs)?

<p>Mechanical sources</p> Signup and view all the answers

What is the title of the project proposal with code PP2023_04?

<p>Identification and reduction of noise sources in positive displacement machines</p> Signup and view all the answers

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