Modeling heat transfer in solids and fluids in COMSOL Multiphysics involves using the Heat Transfer in Solids and Fluids interface, which supports conduction, convection, and radiation. This interface is ideal for conjugate heat transfer problems, where heat exchange occurs between solid and fluid domains. Below is a concise guide to get you started. Key Steps for… Read More »comsol heat transfer in solids and fluids
Chinese City (Province) Korean City (Province) Year Established Beijing Seoul 1993-10-23 Shanghai Busan 1993-08-24 Tianjin Incheon 1993-12-07 Liaoning Province Gyeonggi Province 1993-10-04 Shandong Province South Gyeongsang Province 1993-09-08 Jiangsu Province North Jeolla Province 1994-10-27 Hainan Province Jeju Special Self-Governing Province 1995-10-06 Henan Province North Gyeongsang Province 1995-10-23 Heilongjiang Province North Chungcheong Province 1996-09-18 Zhejiang Province South… Read More »ðŸ‡¨ðŸ‡³ China and 🇰🇷 South Korea Sister Cities (Partial List)
A heat pump is a highly efficient device used for both heating and cooling spaces. Instead of generating heat (like a furnace does), it transfers heat from one place to another using a refrigeration cycle. 🌀 How a Heat Pump Works (in simple terms): 1. In Heating Mode: The heat pump extracts heat from the outside… Read More »What Is a Heat Pump, and How Does It Work?
1. Exchanger Types Plate Heat Exchanger Compact structure with high heat transfer efficiency, suitable for low-temperature exhaust (<200°C) with minimal corrosiveness. Easy to clean, ideal for small to medium-sized dryers. Rotary Wheel Exchanger Transfers heat via a rotating wheel, suitable for high-flow, low-temperature-difference exhaust recovery. High efficiency, best for large-scale drying systems, but requires more space.… Read More »Dryer Exhaust Heat Recovery Exchanger Technical Overview
Peking Opera costumes, known as xingtou (行头) or juzhuang (剧装), are elaborate, colorful, and highly symbolic, designed to reflect the character's role, status, personality, and historical context. They are an essential part of Peking Opera's visual and artistic expression. Below is an overview of the costumes used in Peking Opera: 1. Key Characteristics of Peking Opera… Read More »what costume is used in peking opera
The key difference between cross flow and counter flow heat exchangers lies in the direction of the fluid flows, and this affects their heat transfer performance, efficiency, and suitability for different applications. Flow Direction Type Flow Pattern Cross Flow Two fluids flow perpendicularly to each other Counter Flow Two fluids flow in opposite directions, parallel to… Read More »cross flow vs counter flow heat exchanger
A cross flow heat exchanger is a type of heat exchanger where two fluids flow perpendicular to each other—one flows through tubes or fins, and the other flows across them. This configuration allows efficient heat transfer, often with compact design and good thermal performance.  Common Applications of Cross Flow Heat Exchangers 1. HVAC Systems (Heating, Ventilation,… Read More »cross flow heat exchanger applications
Radiators for sodium-ion battery energy storage containers are critical for thermal management, ensuring battery performance, safety, and longevity. Sodium-ion batteries generate heat during operation, particularly in high-power or rapid charge-discharge cycles, requiring efficient cooling systems tailored to containerized storage setups. Below is a concise overview, reduced by 50% from the previous response and avoiding citations, focusing… Read More »Radiators for Sodium-Ion Battery Energy Storage Containers
Chinese traditional theatre, particularly Peking Opera and Kunqu, boasts a rich history and unique performance art forms, with the "dan" role representing female characters. Below is an overview of Chinese traditional theatre and the "male dan" (male actors playing female roles): Overview of Chinese Traditional Theatre Chinese traditional theatre, including Peking Opera, Kunqu, Cantonese Opera, and… Read More »chinese traditional theatre and male dan
The China Northern Mathematics Olympiad (CNMO) is a regional mathematical competition for high school students in northern China, designed to identify and nurture mathematical talent. It is one of several regional Olympiads in China, alongside events like the China Southeast Mathematical Olympiad and China Western Mathematical Invitational, serving as a stepping stone for students aiming for… Read More »The China Northern Mathematics Olympiad (CNMO)