Results 71 to 80 of about 9,122 (305)

Binary hydrocarbon mixtures of Joule-Thomson refrigeration cycle based for -70 C freezer: Theoretical and experimental evaluation

Case Studies in Thermal Engineering
Recently, with the increasing worldwide demand for low-temperature freezers, applying natural working medium hydrocarbon refrigerants has been widely concerned.
Lingeng Zou, Tao Bai, Shuo Guo, Jianlin Yu   +3 more
doaj   +1 more source

Design sensitivity analysis of using various in-tube condensation correlations for an air-cooled condenser for ORCs [PDF]

, 2015
The study is related to the evaluation of using 19 condensation heat transfer correlations in an annular finned horizontal round tube V-shaped air-cooled condenser design problem for a representative low-temperature waste heat recovery Organic Rankine ...
De Paepe, Michel, Kaya, Alihan, Lazova, Marija   +2 more
core   +1 more source

From the Discovery of the Giant Magnetocaloric Effect to the Development of High‐Power‐Density Systems

Advanced Materials Technologies, EarlyView.
The article overviews past and current efforts on caloric materials and systems, highlighting the contributions of Ames National Laboratory to the field. Solid‐state caloric heat pumping is an innovative method that can be implemented in a wide range of cooling and heating applications.
Agata Czernuszewicz, Yaroslav Mudryk, Jun Cui, Lucas Griffith, Duane D. Johnson, Julie Slaughter   +5 more
wiley   +1 more source

Enhancing Semiconductor Chiller Performance: Investigating the Performance Characteristics of Ultra-Low-Temperature Chillers Applying a Liquid Receiver

Energies
This study investigates the implementation of a cryogenic chiller utilizing a mixed-refrigerant cascade refrigeration cycle (MRCRC). In this setup, R-404A is employed in the high-temperature circuit (HTC), while a mixture of refrigerants is utilized in ...
Joon-Hyuk Lee, Hye-In Jung, Su-Been Lee, Chang-Hyo Son   +3 more
doaj   +1 more source

Development, Validation, and Application of a Refrigerator Simulation Model [PDF]

, 1996
This report describes the further development and validation of the Refrigerator/Freezer Simulation (RFSIM) model. The reports also describes the first major application of the model as an analysis tool for new refrigerator designs; several aspects of ...
Bullard, C.W., Woodall, R.J.
core  

End‐to‐End Sensing Systems for Breast Cancer: From Wearables for Early Detection to Lab‐Based Diagnosis Chips

Advanced Materials Technologies, EarlyView.
This review explores advances in wearable and lab‐on‐chip technologies for breast cancer detection. Covering tactile, thermal, ultrasound, microwave, electrical impedance tomography, electrochemical, microelectromechanical, and optical systems, it highlights innovations in flexible electronics, nanomaterials, and machine learning.
Neshika Wijewardhane, Lyn I. Jones, Richard M. Martin, Helen Winter, Faezeh Arab Hassani   +4 more
wiley   +1 more source

Physical Property Calculation and Refrigeration Cycle Analysis of Mixed Refrigerant R32/R290

Buildings
The adoption of eco-friendly refrigerants in air conditioning systems is crucial for advancing low-carbon architecture. The current refrigerant R410A, with its high global warming potential, underscores the need for sustainable alternatives that balance cooling efficiency and environmental impact.
Jindong Zhang, Haixian Zeng, Daniel Djeuda Djapa, Blaise Kevin Rugwizangoga   +3 more
openaire   +2 more sources

Flexible Chemiresistive Chitosan‐Glycerol Sensors on Laser‐Induced Graphene Electrodes for Room‐Temperature Ammonia Detection

Advanced Materials Technologies, EarlyView.
Flexible Chitosan‐glycerol sensor integrated with porous laser‐induced graphene (LIG) electrodes enable room‐temperature chemiresistive detection of ammonia (NH3) and proof‐of‐concept detection of fish spoilage. ABSTRACT We report a metal‐free sensor platform combining laser induced graphene (LIG) electrodes with drop‐deposited, glycerol‐plasticized ...
Mintesinot Tamiru Mengistu, Richard Murray, Cara‐Lena Nies, Cathal Larrigy, Martina Piletti, Jahidul Islam, Daniela Iacopino, Eileen Hurley, Michael Nolan, Aidan J. Quinn   +9 more
wiley   +1 more source

Experimental Study of HFO-1234ze and HFC-32 Mixture on Heat Pump Water Heater

Zhileng xuebao, 2016
Based on REFPRO 9.0 and KW2 model parameters, the thermophysical properties of mixing refrigerant HFO-1234ze/HFC-32 were calculated in this paper, and the cycle performance of mixed refrigerant in different ratios was figured out according to the heat ...
Chen Hongqun, Wang Fang, Ou Junyan, Wang Tao, Yu Dawei, Wang Ying   +5 more
doaj  

Microfluidic Engineering of Chitosan‐Coated Nanoemulsions for Controlled Release and Stability in Space Pharmaceutics

Advanced Materials Technologies, EarlyView.
Microfluidic engineering enables the fabrication of chitosan‐coated, melatonin‐loaded nanoemulsions with controlled release and enhanced physicochemical stability for space pharmaceutics. Interfacial biopolymer coating modulates droplet behavior under accelerated thermal stress and simulated microgravity.
Modupe Adebowale, Nguyen Van Duc Long, Philip M Williams, Volker Hessel   +3 more
wiley   +1 more source