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	<id>https://systemdesign.ch/index.php?action=history&amp;feed=atom&amp;title=Resultate_zu_Leistungsziffer_einer_W%C3%A4rmepumpe</id>
	<title>Resultate zu Leistungsziffer einer Wärmepumpe - Versionsgeschichte</title>
	<link rel="self" type="application/atom+xml" href="https://systemdesign.ch/index.php?action=history&amp;feed=atom&amp;title=Resultate_zu_Leistungsziffer_einer_W%C3%A4rmepumpe"/>
	<link rel="alternate" type="text/html" href="https://systemdesign.ch/index.php?title=Resultate_zu_Leistungsziffer_einer_W%C3%A4rmepumpe&amp;action=history"/>
	<updated>2026-05-02T21:21:32Z</updated>
	<subtitle>Versionsgeschichte dieser Seite in SystemPhysik</subtitle>
	<generator>MediaWiki 1.45.3</generator>
	<entry>
		<id>https://systemdesign.ch/index.php?title=Resultate_zu_Leistungsziffer_einer_W%C3%A4rmepumpe&amp;diff=10716&amp;oldid=prev</id>
		<title>Admin am 2. März 2012 um 12:00 Uhr</title>
		<link rel="alternate" type="text/html" href="https://systemdesign.ch/index.php?title=Resultate_zu_Leistungsziffer_einer_W%C3%A4rmepumpe&amp;diff=10716&amp;oldid=prev"/>
		<updated>2012-03-02T12:00:36Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;de&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Nächstältere Version&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Version vom 2. März 2012, 12:00 Uhr&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;
  &lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Zeile 4:&lt;/td&gt;
  &lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Zeile 4:&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;##1.36 kW&lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;##1.36 kW&lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;#&lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;#&lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;##&amp;lt;math&amp;gt;\epsilon_C&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt; &lt;/del&gt;=&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt; &lt;/del&gt;\frac&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt; &lt;/del&gt;{T_2}{T_2&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt; &lt;/del&gt;-&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt; &lt;/del&gt;T_1}&amp;lt;/math&amp;gt;&lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;##&amp;lt;math&amp;gt;\epsilon_C=\frac{T_2}{T_2-T_1}&amp;lt;/math&amp;gt;&lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;##ca. 273 K (0°C)&lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;##ca. 273 K (0°C)&lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;##&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt; &lt;/del&gt;&amp;lt;math&amp;gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt; &lt;/del&gt;\eta&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt; &lt;/del&gt;=&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt; &lt;/del&gt;\frac&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt; &lt;/del&gt;{\Delta T}&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt; &lt;/del&gt;{T_2}&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt; &lt;/del&gt;\cdot&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt; &lt;/del&gt;\frac&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt; &lt;/del&gt;{I_{W2}}{P_{el}}&amp;lt;/math&amp;gt; &lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;##&amp;lt;math&amp;gt;\eta=\frac{\Delta T}{T_2}\cdot\frac{I_{W2}}{P_{el}}&amp;lt;/math&amp;gt; &lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;##66% bei 26°C, 52% bei 57°C&lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;##66% bei 26°C, 52% bei 57°C&lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br /&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br /&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Admin</name></author>
	</entry>
	<entry>
		<id>https://systemdesign.ch/index.php?title=Resultate_zu_Leistungsziffer_einer_W%C3%A4rmepumpe&amp;diff=10714&amp;oldid=prev</id>
		<title>Thomas Rüegg am 1. März 2012 um 13:25 Uhr</title>
		<link rel="alternate" type="text/html" href="https://systemdesign.ch/index.php?title=Resultate_zu_Leistungsziffer_einer_W%C3%A4rmepumpe&amp;diff=10714&amp;oldid=prev"/>
		<updated>2012-03-01T13:25:45Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;de&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Nächstältere Version&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Version vom 1. März 2012, 13:25 Uhr&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;
  &lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Zeile 4:&lt;/td&gt;
  &lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Zeile 4:&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;##1.36 kW&lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;##1.36 kW&lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;#&lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;#&lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;##&amp;lt;math&amp;gt;\epsilon_C&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt; = \frac {I_{W2} } {P_{rev}} = \frac {T_2 I_{S2}}{\Delta T I_{S2}} = \frac {T_2}{\Delta T}&lt;/del&gt; = \frac {T_2}{T_2 - T_1}&amp;lt;/math&amp;gt;&lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;##&amp;lt;math&amp;gt;\epsilon_C = \frac {T_2}{T_2 - T_1}&amp;lt;/math&amp;gt;&lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;##ca. 273 K (0°C)&lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;##ca. 273 K (0°C)&lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;## &amp;lt;math&amp;gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;\eta = \frac {\epsilon}{\epsilon_C} = \frac {\frac {I_{W2}} {P_{el}}} {\frac {I_{W2}} {P_{rev}}} = \frac {P_{rev}}{P_{el}} = \frac {\Delta T I_{S2}}{P_{el}}&amp;lt;/math&amp;gt; &amp;lt;math&amp;gt; = \frac {\Delta T I_{W2} / T_2}{P_{el}}&lt;/del&gt; \eta = \frac {\Delta T} {T_2} \cdot \frac {I_{W2}}{P_{el}}&amp;lt;/math&amp;gt; &lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;## &amp;lt;math&amp;gt; \eta = \frac {\Delta T} {T_2} \cdot \frac {I_{W2}}{P_{el}}&amp;lt;/math&amp;gt; &lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;##66% bei 26°C, 52% bei 57°C&lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;##66% bei 26°C, 52% bei 57°C&lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br /&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br /&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Thomas Rüegg</name></author>
	</entry>
	<entry>
		<id>https://systemdesign.ch/index.php?title=Resultate_zu_Leistungsziffer_einer_W%C3%A4rmepumpe&amp;diff=10712&amp;oldid=prev</id>
		<title>Thomas Rüegg am 1. März 2012 um 13:22 Uhr</title>
		<link rel="alternate" type="text/html" href="https://systemdesign.ch/index.php?title=Resultate_zu_Leistungsziffer_einer_W%C3%A4rmepumpe&amp;diff=10712&amp;oldid=prev"/>
		<updated>2012-03-01T13:22:49Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;de&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Nächstältere Version&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Version vom 1. März 2012, 13:22 Uhr&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;
  &lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Zeile 5:&lt;/td&gt;
  &lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Zeile 5:&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;#&lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;#&lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;##&amp;lt;math&amp;gt;\epsilon_C = \frac {I_{W2} } {P_{rev}} = \frac {T_2 I_{S2}}{\Delta T I_{S2}} = \frac {T_2}{\Delta T} = \frac {T_2}{T_2 - T_1}&amp;lt;/math&amp;gt;&lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;##&amp;lt;math&amp;gt;\epsilon_C = \frac {I_{W2} } {P_{rev}} = \frac {T_2 I_{S2}}{\Delta T I_{S2}} = \frac {T_2}{\Delta T} = \frac {T_2}{T_2 - T_1}&amp;lt;/math&amp;gt;&lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td colspan=&quot;2&quot; class=&quot;diff-empty diff-side-deleted&quot;&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;##ca. 273 K (0°C)&lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;##Die Temperatur am Eingang kann mit Hilfe von &amp;amp;epsilon;&amp;lt;sub&amp;gt;C&amp;lt;/sub&amp;gt; berechnet werden. Man löst obige Gleichung für &amp;amp;epsilon;&amp;lt;sub&amp;gt;C&amp;lt;/sub&amp;gt; nach T&amp;lt;sub&amp;gt;1&amp;lt;/sub&amp;gt; auf und erhält: &amp;lt;math&amp;gt;T_1 = T_2 \frac {\epsilon_C - 1}{\epsilon_C}&amp;lt;/math&amp;gt;. Ermittelt man mit dieser Formel aus der Graphik ein paar Zahlen, erhält man Werte in der Umgebung von 273 K (0°C).&lt;/div&gt;&lt;/td&gt;
  &lt;td colspan=&quot;2&quot; class=&quot;diff-empty diff-side-added&quot;&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;##&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Der Wirkungsgrad, der diesen Namen auch verdient, ist gleich dem Quotienten aus realer und idealer Leistungsziffer&lt;/del&gt; &amp;lt;math&amp;gt;\eta = \frac {\epsilon}{\epsilon_C} = \frac {\frac {I_{W2}} {P_{el}}} {\frac {I_{W2}} {P_{rev}}} = \frac {P_{rev}}{P_{el}} = \frac {\Delta T I_{S2}}{P_{el}}&amp;lt;/math&amp;gt; &amp;lt;math&amp;gt; = \frac {\Delta T I_{W2} / T_2}{P_{el}} = \frac {\Delta T} {T_2} \cdot \frac {I_{W2}}{P_{el}}&amp;lt;/math&amp;gt; &lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;## &amp;lt;math&amp;gt;\eta = \frac {\epsilon}{\epsilon_C} = \frac {\frac {I_{W2}} {P_{el}}} {\frac {I_{W2}} {P_{rev}}} = \frac {P_{rev}}{P_{el}} = \frac {\Delta T I_{S2}}{P_{el}}&amp;lt;/math&amp;gt; &amp;lt;math&amp;gt; = \frac {\Delta T I_{W2} / T_2}{P_{el}}&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt; \eta&lt;/ins&gt; = \frac {\Delta T} {T_2} \cdot \frac {I_{W2}}{P_{el}}&amp;lt;/math&amp;gt; &lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td colspan=&quot;2&quot; class=&quot;diff-empty diff-side-deleted&quot;&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;##66% bei 26°C, 52% bei 57°C&lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;##Mit steigender Temperatur sinkt der Wirkungsgrad (nicht nur die Leistungszahl) der Wärmepumpe ab. Der aus den graphisch gegebenen Werten zu ermittelnde Wirkungsgrad &amp;amp;eta; sinkt von 7.1 / 10.8 =  66% (bei 26°C) auf 3.0 / 5.8 =  52% (bei 57°C) ab.&lt;/div&gt;&lt;/td&gt;
  &lt;td colspan=&quot;2&quot; class=&quot;diff-empty diff-side-added&quot;&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br /&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br /&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&#039;&#039;&#039;[[Leistungsziffer einer Wärmepumpe|Aufgabe]]&#039;&#039;&#039;&lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&#039;&#039;&#039;[[Leistungsziffer einer Wärmepumpe|Aufgabe]]&#039;&#039;&#039;&lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Thomas Rüegg</name></author>
	</entry>
	<entry>
		<id>https://systemdesign.ch/index.php?title=Resultate_zu_Leistungsziffer_einer_W%C3%A4rmepumpe&amp;diff=10711&amp;oldid=prev</id>
		<title>Thomas Rüegg: Die Seite wurde neu angelegt: „# ##2.67 kW ##34.2 W/K, 39 W/K, 4.8 W/K ##1.36 kW # ##&lt;math&gt;\epsilon_C = \frac {I_{W2} } {P_{rev}} = \frac {T_2 I_{S2}}{\Delta T I_{S2}} = \frac {T_2}{\Delta T…“</title>
		<link rel="alternate" type="text/html" href="https://systemdesign.ch/index.php?title=Resultate_zu_Leistungsziffer_einer_W%C3%A4rmepumpe&amp;diff=10711&amp;oldid=prev"/>
		<updated>2012-03-01T12:33:26Z</updated>

		<summary type="html">&lt;p&gt;Die Seite wurde neu angelegt: „# ##2.67 kW ##34.2 W/K, 39 W/K, 4.8 W/K ##1.36 kW # ##&amp;lt;math&amp;gt;\epsilon_C = \frac {I_{W2} } {P_{rev}} = \frac {T_2 I_{S2}}{\Delta T I_{S2}} = \frac {T_2}{\Delta T…“&lt;/p&gt;
&lt;p&gt;&lt;b&gt;Neue Seite&lt;/b&gt;&lt;/p&gt;&lt;div&gt;#&lt;br /&gt;
##2.67 kW&lt;br /&gt;
##34.2 W/K, 39 W/K, 4.8 W/K&lt;br /&gt;
##1.36 kW&lt;br /&gt;
#&lt;br /&gt;
##&amp;lt;math&amp;gt;\epsilon_C = \frac {I_{W2} } {P_{rev}} = \frac {T_2 I_{S2}}{\Delta T I_{S2}} = \frac {T_2}{\Delta T} = \frac {T_2}{T_2 - T_1}&amp;lt;/math&amp;gt;&lt;br /&gt;
##Die Temperatur am Eingang kann mit Hilfe von &amp;amp;epsilon;&amp;lt;sub&amp;gt;C&amp;lt;/sub&amp;gt; berechnet werden. Man löst obige Gleichung für &amp;amp;epsilon;&amp;lt;sub&amp;gt;C&amp;lt;/sub&amp;gt; nach T&amp;lt;sub&amp;gt;1&amp;lt;/sub&amp;gt; auf und erhält: &amp;lt;math&amp;gt;T_1 = T_2 \frac {\epsilon_C - 1}{\epsilon_C}&amp;lt;/math&amp;gt;. Ermittelt man mit dieser Formel aus der Graphik ein paar Zahlen, erhält man Werte in der Umgebung von 273 K (0°C).&lt;br /&gt;
##Der Wirkungsgrad, der diesen Namen auch verdient, ist gleich dem Quotienten aus realer und idealer Leistungsziffer &amp;lt;math&amp;gt;\eta = \frac {\epsilon}{\epsilon_C} = \frac {\frac {I_{W2}} {P_{el}}} {\frac {I_{W2}} {P_{rev}}} = \frac {P_{rev}}{P_{el}} = \frac {\Delta T I_{S2}}{P_{el}}&amp;lt;/math&amp;gt; &amp;lt;math&amp;gt; = \frac {\Delta T I_{W2} / T_2}{P_{el}} = \frac {\Delta T} {T_2} \cdot \frac {I_{W2}}{P_{el}}&amp;lt;/math&amp;gt; &lt;br /&gt;
##Mit steigender Temperatur sinkt der Wirkungsgrad (nicht nur die Leistungszahl) der Wärmepumpe ab. Der aus den graphisch gegebenen Werten zu ermittelnde Wirkungsgrad &amp;amp;eta; sinkt von 7.1 / 10.8 =  66% (bei 26°C) auf 3.0 / 5.8 =  52% (bei 57°C) ab.&lt;br /&gt;
&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;[[Leistungsziffer einer Wärmepumpe|Aufgabe]]&amp;#039;&amp;#039;&amp;#039;&lt;/div&gt;</summary>
		<author><name>Thomas Rüegg</name></author>
	</entry>
</feed>