Last Update: 04/05/2026 at 2:50 PM EST
Sound-Driven Heat Pump Cuts Factory Waste
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Articles
3
Latest Article
01/21
Active Days
11
Executive Summary
Chinese researchers built a sound-driven heat pump that upgrades waste heat from 145 C to 270 C, cutting fossil fuel use in industry
- Chinese Academy of Sciences researchers built a thermoacoustic heat pump with no rotating mechanical parts
- The prototype lifted waste heat from about 145 C to 270 C in lab tests
- It uses standing sound waves in a helium-filled resonator to move heat uphill
- The design follows a Stirling-type thermoacoustic cycle with pressure oscillations instead of compressors
- Researchers say the higher output temperature could fit paper, textile, food and chemical processes
- The system could reduce fossil fuel use by preheating industrial process streams and supporting thermal storage
- Conventional industrial heat pumps usually top out near 200 C, limiting their use in heavy industry
Quick Facts
- What: Built a thermoacoustic heat pump that upgrades waste heat
- Where: In China at the Technical Institute of Physics and Chemistry
- Why: To reuse industrial waste heat and cut fossil fuel use
- Who: Chinese Academy of Sciences researchers led by Luo Ercang
- When: Recently, with lab tests reported in peer-reviewed work
Coverage Timeline: 11 Days
Featured Article
The Chinese Academy of Sciences announced lab tests in China of a non-spinning thermoacoustic heat pump that upgrades industrial waste heat from 145 C to 270 C.
Additional Articles
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The Chinese Academy of Sciences recently reported in China a thermoacoustic high-temperature heat pump prototype that upgrades industrial waste heat from 145 C to about 270 C.
Researchers at the Chinese Academy of Sciences have recently demonstrated in China a thermoacoustic heat pump prototype that converts 145 C waste heat into 270 C process heat.