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News, Knowledge & Reports

News

Microsoft-Bullshit-Software (296 KB)
Physical constants for air and water (499 KB)
How to correctly calculate air coolers (718 KB)
HE-Tubes for CO2-Cooler on the supercritical range (597 KB)
Climate imposition in the hot and humid summer (866 KB)
Dehumidification in the hot and humid summer (709 KB)
Amortization costs of HR-Systems (103 KB)
Quo Vadis Energy Recovery (564 KB)
Pressure drops in heat recovery systems (454 KB)
Heat pipes in the air conditioning technology (132 KB)
Correctly air cooler calculation (804 KB)
Pillow plate heat exchanger (533 KB)
Heat exchanger DLLs & GUIs for AHU-Software (2 MB)
DLLs for air handling unit software (422 KB)
DLLs for air handling unit software (video) (39 MB)
Heat exchanger designs for CC-Systems (676 KB)
Best high pressure pumps for heat recovery systems (365 KB)
Oval tube patents for heat exchangers (181 KB)
Internal coupling for finned heat exchangers (731 KB)
Maximal number of circuits (NC) (236 KB)
Exam versus practice (325 KB)
Putin-Understander (173 KB)
Trump, Putin, Netanjahu and Associates (283 KB)
The Gaza Strip Problem (287 KB)
Swiss fighter jet debacle (199 KB)
USA first or Europe first (2 MB)
Cooling demand Swiss (2 MB)
Miraculous air cooling in summer (2 MB)
Eurovent membership necessity or not (183 KB)
Federal Council-SIA-SWKI-Bullshit (755 KB)

Knowledge

Coefficient in the AHH Mollier-HX-Diagram (2 MB)
Explanations to the AHH software (453 KB)
Background knowledge (4 MB)
Addendum (1 MB)
Maximum relative humidity of the air (239 KB)
Cooler part-load behavior (161 KB)
Simplified cooling load calculation (779 KB)
Accuracy of the data for air humid (249 KB)
Different types of flow (159 KB)
Finned heat exchangers in compact devices (332 KB)
HVAC standard definitions (271 KB)
Mollier-HX- or Mollier-TX-Chart (2 MB)
New refrigerants (63 KB)
Upgrade on 2022 (340 KB)

Reports

Defrosting at the heat pump injection evaporator (2 MB)
Air dehumidification (376 KB)
Energy recovery with the leader (2 MB)
Energy recovery with plates and rotors (433 KB)
Frost problems with plate heat exchangers (612 KB)
Energy recovery with regenerators (417 KB)
Heat recovery with smooth tube HE (771 KB)
Air heater with multi-stage steam (441 KB)
Heat exchangers for vacuum drying (317 KB)
Humidification in front of an air heater (278 KB)
Heat exchanger selection for air handling units (482 KB)
Heat exchanger-Fan-Intersection point (215 KB)
Brine-Re-cooler (640 KB)
Brine re-cooling in air handling units (600 KB)
Harmfull vapor recovery (438 KB)
Evaporative re-cooler (718 KB)
Frost protection (94 KB)
Defrosting procedure for heat exchangers (1 MB)
Brine-Concentration-Frost (50 KB)
Permitted brines in the food sector (549 KB)
The half surface its enough (171 KB)
Evaporator circulations (253 KB)
Capillary pressure drop (277 KB)
Tubular heat exchanger (256 KB)
Desiccant systems (1,024 KB)
Stable air outlet temperature (589 KB)
Greenhouse air conditioning (562 KB)
Microchannel finned heat exchanger (673 KB)