A residential absorption chiller for high ambient temperatures

G Kini, S Chandrasekaran, M Tambasco… - International Journal of …, 2020 - Elsevier
A standalone, compact, thermally driven ammonia-water absorption chiller designed to
deliver a cooling capacity of 10.5 kW at ambient temperatures greater than 40° C is …

Direct-coupled desorption for small capacity ammonia-water absorption systems

MA Staedter, S Garimella - International Journal of Heat and Mass Transfer, 2018 - Elsevier
An investigation of direct gas-coupled desorption for small capacity ammonia-water
absorption is presented. Some applications favor or require the use of direct-coupling of the …

Understanding the effect of surfactants on two-phase flow using computer vision

G Kini, S Garimella - International Journal of Heat and Mass Transfer, 2022 - Elsevier
The effect of surfactants on vertical gas-liquid flow is experimentally investigated in a 12.7
mm diameter tube at conditions relevant to an ammonia-water bubble absorber. The …

Design and modeling of a microscale diabatic distillation column for small capacity ammonia–water absorption systems

MA Staedter, S Garimella - International Journal of Refrigeration, 2018 - Elsevier
The concept of diabatic distillation is applied to desorption and rectification in an ammonia–
water absorption system. Results of a hydrodynamic investigation of novel components for …

Heat and mass transfer in microscale diabatic distillation columns for ammonia–water desorption and rectification

MA Staedter, S Garimella - International Journal of Refrigeration, 2018 - Elsevier
An experimental investigation of heat and mass transfer in novel desorber and rectifier
components based on the diabatic distillation principle is conducted. Heat and mass transfer …

Experimental investigation of a compact thermal compressor for an ammonia-water absorption heat pump

MA Staedter, S Garimella - Applied Thermal Engineering, 2018 - Elsevier
An experimental evaluation of the thermal compressor of an ammonia-water absorption
system is presented. A compact desorber and a rectifier based on diabatic distillation …

A data driven control strategy for optimal and flexible operation of absorption systems

MA Staedter, S Garimella - International Journal of Refrigeration, 2019 - Elsevier
A novel control strategy for vapor absorption systems with experimental validation is
presented. Statistical methods are used to integrate a detailed thermodynamic model and …

Enabling Compact Thermal Systems through Insights on Microscale Coupled Heat and Mass Transfer Phenomena

S Garimella - Journal of Physics: Conference Series, 2020 - iopscience.iop.org
Heat transfer in microscale geometries offers the advantage of high heat transfer coefficients
and large surface area-to-volume ratios, and therefore, the potential to develop compact …