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Piotr Przybycin
Oct 7, 20232 min read
100+100≠200 - Summation of Noise Sources.
If we have multiple sources of noise and want to determine their combined level, we cannot simply add them linearly because we are adding...
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Piotr Przybycin
Aug 5, 202310 min read
DOES SIZE MATTER?
It may sound controversial, but I assure you that it concerns a serious engineering issue :) OPTIMIZATION OF VENTILATION UNIT PARAMETERS...
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Piotr Przybycin
Mar 25, 20232 min read
MOLLIER OR CARRIER, THAT IS THE QUESTION
Having the privilege to participate in international projects, apart from obvious language barriers, there have always been technical...
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Piotr Przybycin
Feb 19, 20234 min read
Acoustics in HVAC - What You Need to Know About Noise
Noise is an extremely important topic that many people struggle with. It's no wonder, as there is a certain apparent "mess" in acoustic...
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Piotr Przybycin
Feb 19, 20233 min read
The secret function of IX-CHART that you will love!
You are probably wondering what I mean, and I don't blame you with such a title :). So let me ask you a question - if we design a...
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Piotr Przybycin
Feb 19, 20234 min read
Does a ground heat exchanger pay off (in the winter)?
I am often asked by people who are designing or renovating their homes whether a ground heat exchanger (GHE) is cost-effective. It is a...
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Piotr Przybycin
Feb 19, 20233 min read
What you probably don't know about air coolers.
Due to being the author of the IX CHART program, which is used by a considerable number of designers and others, I often receive various...
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Piotr Przybycin
Feb 19, 20233 min read
Adiabatic cooling - part 1
A very interesting topic that will interest anyone who is interested in eco-friendly solutions. What is adiabatic cooling? Simply put, it...
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Piotr Przybycin
Feb 19, 20233 min read
Adiabatic cooling part 2
As promised, we continue the topic of adiabatic cooling in terms of investment and operating costs. In the last post, I showed that...
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Piotr Przybycin
Feb 19, 20233 min read
How much does operating a heat recovery ventilator cost?
Many investors, when deciding on a ventilation system and type of heat recovery unit, wonder how much it will cost to operate the system...
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Piotr Przybycin
Feb 19, 20232 min read
Dehumidification using Condensation and Adsorption
Air dehumidification can be achieved through either condensation or adsorption processes. In full air conditioning processes,...
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Piotr Przybycin
Feb 19, 20232 min read
Is adiabatic humidification worth it?
So what's the deal with humidification? Generally, there are two ways to humidify - with steam and with treated water. Which one is more...
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Piotr Przybycin
Feb 19, 20233 min read
Energy efficiency of air handling unit.
What really affects the energy efficiency of a ventilation system? Does energy consumption depend solely on the efficiency of heat...
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Piotr Przybycin
Feb 19, 20231 min read
Selecting of air handling unit
Wymiarowanie centrali wentylacyjnej nie jest prostym zadaniem ze względu na mnogość parametrów powietrza, jednak jej dobór decyduje w główne
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Piotr Przybycin
Feb 19, 20233 min read
Types of transformations in Mollier Chart
Artykuł przedstawia w prosty i przejrzysty sposób w jaki sposób czytać podstawowe przemiany na wykresie IX
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Piotr Przybycin
Feb 13, 20233 min read
Is Your Heat Pump compilant with the law ?
A gust of horror blew by, but there are some indications for that, and as the Romans used to say, "Dura lex, sed lex". When I write about...
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